<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created by Certent Disclosure Management 6.39.3.1 -->
<!--Based on XBRL 2.1-->
<!--Created on: 5/6/2021 3:42:34 PM-->
<!--Modified on: 5/6/2021 3:42:34 PM-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#StatementConsolidatedBalanceSheets" roleURI="http://www.sbasite.com/role/StatementConsolidatedBalanceSheets"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#StatementConsolidatedStatementsOfOperations" roleURI="http://www.sbasite.com/role/StatementConsolidatedStatementsOfOperations"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#StatementConsolidatedStatementsOfComprehensiveLoss" roleURI="http://www.sbasite.com/role/StatementConsolidatedStatementsOfComprehensiveLoss"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#StatementConsolidatedStatementsOfCashFlows" roleURI="http://www.sbasite.com/role/StatementConsolidatedStatementsOfCashFlows"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureFairValueMeasurementsSummaryOfAssetImpairmentAndDecommissionCostsDetails" roleURI="http://www.sbasite.com/role/DisclosureFairValueMeasurementsSummaryOfAssetImpairmentAndDecommissionCostsDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureCashCashEquivalentsAndRestrictedCashScheduleOfCashCashEquivalentsAndRestrictedCashDetails" roleURI="http://www.sbasite.com/role/DisclosureCashCashEquivalentsAndRestrictedCashScheduleOfCashCashEquivalentsAndRestrictedCashDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureCostsAndEstimatedEarningsOnUncompletedContractsSummaryOfCostsAndEstimatedEarningsOnUncompletedContractsDetails" roleURI="http://www.sbasite.com/role/DisclosureCostsAndEstimatedEarningsOnUncompletedContractsSummaryOfCostsAndEstimatedEarningsOnUncompletedContractsDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureCostsAndEstimatedEarningsOnUncompletedContractsCostsAndEstimatedEarningsOnUncompletedContractsAccompanyingConsolidatedBalanceSheetsDetails" roleURI="http://www.sbasite.com/role/DisclosureCostsAndEstimatedEarningsOnUncompletedContractsCostsAndEstimatedEarningsOnUncompletedContractsAccompanyingConsolidatedBalanceSheetsDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosurePrepaidExpensesAndOtherCurrentAssetsAndOtherAssetsScheduleOfPrepaidExpenseAndOtherCurrentAssetsDetails" roleURI="http://www.sbasite.com/role/DisclosurePrepaidExpensesAndOtherCurrentAssetsAndOtherAssetsScheduleOfPrepaidExpenseAndOtherCurrentAssetsDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosurePrepaidExpensesAndOtherCurrentAssetsAndOtherAssetsScheduleOfOtherAssetsDetails" roleURI="http://www.sbasite.com/role/DisclosurePrepaidExpensesAndOtherCurrentAssetsAndOtherAssetsScheduleOfOtherAssetsDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureAcquisitionsScheduleOfAcquisitionCapitalExpendituresDetails" roleURI="http://www.sbasite.com/role/DisclosureAcquisitionsScheduleOfAcquisitionCapitalExpendituresDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosurePropertyAndEquipmentNetPropertyAndEquipmentNetIncludingAssetsHeldUnderCapitalLeasesDetails" roleURI="http://www.sbasite.com/role/DisclosurePropertyAndEquipmentNetPropertyAndEquipmentNetIncludingAssetsHeldUnderCapitalLeasesDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureIntangibleAssetsNetGrossAndNetCarryingAmountsForEachMajorClassOfIntangibleAssetsDetails" roleURI="http://www.sbasite.com/role/DisclosureIntangibleAssetsNetGrossAndNetCarryingAmountsForEachMajorClassOfIntangibleAssetsDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureAccruedExpensesScheduleOfAccruedExpensesDetails" roleURI="http://www.sbasite.com/role/DisclosureAccruedExpensesScheduleOfAccruedExpensesDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureDebtScheduleOfPrincipalValuesFairValuesAndCarryingValuesOfDebtDetails" roleURI="http://www.sbasite.com/role/DisclosureDebtScheduleOfPrincipalValuesFairValuesAndCarryingValuesOfDebtDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureSegmentDataScheduleOfSegmentReportingInformationDetails" roleURI="http://www.sbasite.com/role/DisclosureSegmentDataScheduleOfSegmentReportingInformationDetails"></roleRef>
  <roleRef xlink:type="simple" xlink:href="sbac-20210331.xsd#DisclosureEarningsPerShareWeightedAverageSharesOfCommonStockOutstandingUsedInCalculationOfBasicAndDilutedEarningsPerShareDetails" roleURI="http://www.sbasite.com/role/DisclosureEarningsPerShareWeightedAverageSharesOfCommonStockOutstandingUsedInCalculationOfBasicAndDilutedEarningsPerShareDetails"></roleRef>
  <calculationLink xlink:role="http://www.sbasite.com/role/StatementConsolidatedBalanceSheets" xlink:type="extended" xlink:title="00100 - Statement - Consolidated Balance Sheets">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent_637559125498606966"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_AssetsCurrent_637559125498606966" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_637559125498606966" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_637559125498616991" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_637559125498606966" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_637559125498616991" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_637559125498606966" xlink:to="us-gaap_AccountsReceivableNetCurrent_637559125498616991" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent" xlink:label="us-gaap_ContractWithCustomerAssetNetCurrent_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_637559125498606966" xlink:to="us-gaap_ContractWithCustomerAssetNetCurrent_637559125498616991" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_637559125498606966" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_637559125498616991" order="5" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_637559125498616991" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_637559125498616991" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset_637559125498616991" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_AcquiredAndOtherRightOfUseAssetsNet" xlink:label="sbac_AcquiredAndOtherRightOfUseAssetsNet_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="sbac_AcquiredAndOtherRightOfUseAssetsNet_637559125498616991" order="5" use="optional" weight="1" priority="1"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent_637559125498616991"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_OtherAssetsNoncurrent_637559125498616991" order="6" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesCurrent_637559125498697375" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_637559125498697375" xlink:to="us-gaap_LongTermDebtCurrent_637559125498697375" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_637559125498697375" xlink:to="us-gaap_AccountsPayableCurrent_637559125498697375" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_637559125498697375" xlink:to="us-gaap_AccruedLiabilitiesCurrent_637559125498697375" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="us-gaap_DeferredRevenueCurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_637559125498697375" xlink:to="us-gaap_DeferredRevenueCurrent_637559125498697375" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_637559125498697375" xlink:to="us-gaap_InterestPayableCurrent_637559125498697375" order="5" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_LeaseLiabilityCurrent" xlink:label="sbac_LeaseLiabilityCurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_637559125498697375" xlink:to="sbac_LeaseLiabilityCurrent_637559125498697375" order="6" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_637559125498697375" xlink:to="us-gaap_OtherLiabilitiesCurrent_637559125498697375" order="7" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="us-gaap_LiabilitiesNoncurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesNoncurrent_637559125498697375" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesNoncurrent_637559125498697375" xlink:to="us-gaap_LongTermDebtNoncurrent_637559125498697375" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_LeaseLiabilityNoncurrent" xlink:label="sbac_LeaseLiabilityNoncurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesNoncurrent_637559125498697375" xlink:to="sbac_LeaseLiabilityNoncurrent_637559125498697375" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_637559125498697375"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesNoncurrent_637559125498697375" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_637559125498697375" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_637559125498707232" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_StockholdersEquity_637559125498707232" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_637559125498707232" xlink:to="us-gaap_PreferredStockValue_637559125498707232" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_637559125498707232" xlink:to="us-gaap_CommonStockValue_637559125498707232" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_637559125498707232" xlink:to="us-gaap_AdditionalPaidInCapital_637559125498707232" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_637559125498707232" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_637559125498707232" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_637559125498707232" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_637559125498707232" order="5" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/StatementConsolidatedStatementsOfOperations" xlink:type="extended" xlink:title="00200 - Statement - Consolidated Statements of Operations">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_ProfitLoss_637559125498707232" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ProfitLoss_637559125498707232" xlink:to="us-gaap_IncomeTaxExpenseBenefit_637559125498707232" order="1" use="optional" weight="-1" priority="8"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_637559125498707232"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ProfitLoss_637559125498707232" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_637559125498707232" order="2" use="optional" weight="1" priority="7"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_637559125498707232" xlink:to="us-gaap_OperatingIncomeLoss_637559125498717261" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_637559125498717261" xlink:to="us-gaap_Revenues_637559125498717261" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLeaseIncome" xlink:label="us-gaap_OperatingLeaseLeaseIncome_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Revenues_637559125498717261" xlink:to="us-gaap_OperatingLeaseLeaseIncome_637559125498717261" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Revenues_637559125498717261" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_637559125498717261" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_637559125498717261" xlink:to="us-gaap_CostsAndExpenses_637559125498717261" order="2" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_CostOfGoodsSoldDirectOperatingLease" xlink:label="sbac_CostOfGoodsSoldDirectOperatingLease_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_637559125498717261" xlink:to="sbac_CostOfGoodsSoldDirectOperatingLease_637559125498717261" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="us-gaap_CostOfGoodsAndServicesSold_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_637559125498717261" xlink:to="us-gaap_CostOfGoodsAndServicesSold_637559125498717261" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_637559125498717261" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_637559125498717261" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_AssetImpairmentAndDecommissionCosts" xlink:label="sbac_AssetImpairmentAndDecommissionCosts_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_637559125498717261" xlink:to="sbac_AssetImpairmentAndDecommissionCosts_637559125498717261" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_BusinessCombinationAcquisitionRelatedCostsAndAdjusments" xlink:label="sbac_BusinessCombinationAcquisitionRelatedCostsAndAdjusments_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_637559125498717261" xlink:to="sbac_BusinessCombinationAcquisitionRelatedCostsAndAdjusments_637559125498717261" order="5" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_637559125498717261" xlink:to="us-gaap_DepreciationAmortizationAndAccretionNet_637559125498717261" order="6" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense_637559125498717261"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_637559125498707232" xlink:to="us-gaap_NonoperatingIncomeExpense_637559125498717261" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense_637559125498717261" xlink:to="us-gaap_InvestmentIncomeInterest_637559125498727286" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentIncomeInvestmentExpense" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense_637559125498717261" xlink:to="us-gaap_InvestmentIncomeInvestmentExpense_637559125498727286" order="2" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaidInKindInterest" xlink:label="us-gaap_PaidInKindInterest_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense_637559125498717261" xlink:to="us-gaap_PaidInKindInterest_637559125498727286" order="3" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="us-gaap_AmortizationOfFinancingCosts_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense_637559125498717261" xlink:to="us-gaap_AmortizationOfFinancingCosts_637559125498727286" order="4" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_GainLossOnExtinguishmentOfDebtIncludingInterestExpense" xlink:label="sbac_GainLossOnExtinguishmentOfDebtIncludingInterestExpense_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense_637559125498717261" xlink:to="sbac_GainLossOnExtinguishmentOfDebtIncludingInterestExpense_637559125498727286" order="5" use="optional" weight="1" priority="1"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense_637559125498717261" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_637559125498727286" order="6" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_637559125498727286" order="2" use="optional" weight="-1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/StatementConsolidatedStatementsOfComprehensiveLoss" xlink:type="extended" xlink:title="00300 - Statement - Consolidated Statements of Comprehensive Loss">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_637559125498727286" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_637559125498727286" xlink:to="us-gaap_ProfitLoss_637559125498727286" order="1" use="optional" weight="1" priority="3"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_637559125498727286" xlink:to="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_637559125498727286" order="2" use="optional" weight="1" priority="3"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_637559125498727286" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_637559125498727286" order="3" use="optional" weight="1" priority="3"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_637559125498727286" order="2" use="optional" weight="-1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/StatementConsolidatedStatementsOfCashFlows" xlink:type="extended" xlink:title="00500 - Statement - Consolidated Statements of Cash Flows">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_ProfitLoss_637559125498727286" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_DepreciationAmortizationAndAccretionNet_637559125498727286" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_NoncashAssetImpairmentAndDecommissionCosts" xlink:label="sbac_NoncashAssetImpairmentAndDecommissionCosts_637559125498727286"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="sbac_NoncashAssetImpairmentAndDecommissionCosts_637559125498727286" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_ShareBasedCompensation_637559125498737310" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_637559125498737310" order="5" use="optional" weight="-1" priority="3"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_637559125498737310" order="6" use="optional" weight="-1" priority="3"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_637559125498737310" order="7" use="optional" weight="1" priority="3"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="us-gaap_OtherNoncashIncomeExpense_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_OtherNoncashIncomeExpense_637559125498737310" order="8" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_637559125498737310" order="9" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_637559125498737310" order="10" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_IncreaseDecreaseInOperatingLeaseRightOfUseAsset" xlink:label="sbac_IncreaseDecreaseInOperatingLeaseRightOfUseAsset_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="sbac_IncreaseDecreaseInOperatingLeaseRightOfUseAsset_637559125498737310" order="11" use="optional" weight="1" priority="1"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_637559125498737310" order="12" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_637559125498737310" order="13" use="optional" weight="-1" priority="3"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_IncreaseDecreaseInLongTermLeaseLiability" xlink:label="sbac_IncreaseDecreaseInLongTermLeaseLiability_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="sbac_IncreaseDecreaseInLongTermLeaseLiability_637559125498737310" order="14" use="optional" weight="1" priority="1"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_637559125498727286" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_637559125498737310" order="15" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_637559125498737310" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_637559125498737310" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_637559125498737310" order="1" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_637559125498737310" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_637559125498737310" order="2" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="us-gaap_PaymentsToAcquireInvestments_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_637559125498737310" xlink:to="us-gaap_PaymentsToAcquireInvestments_637559125498737310" order="3" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:label="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_637559125498737310" xlink:to="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_637559125498737310" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_637559125498737310"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_637559125498737310" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_637559125498737310" order="5" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="us-gaap_ProceedsFromLongTermLinesOfCredit_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="us-gaap_ProceedsFromLongTermLinesOfCredit_637559125498747514" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLongTermLinesOfCredit_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="us-gaap_RepaymentsOfLongTermLinesOfCredit_637559125498747514" order="2" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_637559125498747514" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_637559125498747514" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfSeniorDebt" xlink:label="us-gaap_RepaymentsOfSeniorDebt_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="us-gaap_RepaymentsOfSeniorDebt_637559125498747514" order="5" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_637559125498747514" order="6" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_PaymentStockOptionNetShareSettlements" xlink:label="sbac_PaymentStockOptionNetShareSettlements_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="sbac_PaymentStockOptionNetShareSettlements_637559125498747514" order="7" use="optional" weight="-1" priority="1"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_637559125498747514"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_637559125498747514" order="8" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="us-gaap_PaymentsOfDividends_637559125498757364"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_637559125498747514" xlink:to="us-gaap_PaymentsOfDividends_637559125498757364" order="9" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_637559125498757364"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_637559125498757364" order="4" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureFairValueMeasurementsSummaryOfAssetImpairmentAndDecommissionCostsDetails" xlink:type="extended" xlink:title="40202 - Disclosure - Fair Value Measurements (Summary of Asset Impairment and Decommission Costs) (Details)">
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_AssetImpairmentAndDecommissionCosts" xlink:label="sbac_AssetImpairmentAndDecommissionCosts"></loc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_ImpairmentOfLongLivedAssetsHeldForUseAdditions" xlink:label="sbac_ImpairmentOfLongLivedAssetsHeldForUseAdditions_637559125498757364"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="sbac_AssetImpairmentAndDecommissionCosts" xlink:to="sbac_ImpairmentOfLongLivedAssetsHeldForUseAdditions_637559125498757364" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_637559125498757364"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="sbac_AssetImpairmentAndDecommissionCosts" xlink:to="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_637559125498757364" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetImpairmentCharges" xlink:label="us-gaap_OtherAssetImpairmentCharges_637559125498757364"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="sbac_AssetImpairmentAndDecommissionCosts" xlink:to="us-gaap_OtherAssetImpairmentCharges_637559125498757364" order="3" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureCashCashEquivalentsAndRestrictedCashScheduleOfCashCashEquivalentsAndRestrictedCashDetails" xlink:type="extended" xlink:title="40302 - Disclosure - Cash, Cash Equivalents, and Restricted Cash (Schedule of Cash, Cash Equivalents and Restricted Cash) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_637559125498757364"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_637559125498757364" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_637559125498757364"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_637559125498757364" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_637559125498757364"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_637559125498757364" order="3" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureCostsAndEstimatedEarningsOnUncompletedContractsSummaryOfCostsAndEstimatedEarningsOnUncompletedContractsDetails" xlink:type="extended" xlink:title="40402 - Disclosure - Costs and Estimated Earnings on Uncompleted Contracts (Summary of Costs and Estimated Earnings on Uncompleted Contracts) (Details)">
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_ContractWithCustomerNetAssetLiability" xlink:label="sbac_ContractWithCustomerNetAssetLiability"></loc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_ContractWithCustomerBillingToDate" xlink:label="sbac_ContractWithCustomerBillingToDate_637559125498797470"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="sbac_ContractWithCustomerNetAssetLiability" xlink:to="sbac_ContractWithCustomerBillingToDate_637559125498797470" order="1" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalizedContractCostNet" xlink:label="us-gaap_CapitalizedContractCostNet_637559125498797470"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="sbac_ContractWithCustomerNetAssetLiability" xlink:to="us-gaap_CapitalizedContractCostNet_637559125498797470" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_ContractWithCustomerEstimatedEarnings" xlink:label="sbac_ContractWithCustomerEstimatedEarnings_637559125498797470"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="sbac_ContractWithCustomerNetAssetLiability" xlink:to="sbac_ContractWithCustomerEstimatedEarnings_637559125498797470" order="3" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureCostsAndEstimatedEarningsOnUncompletedContractsCostsAndEstimatedEarningsOnUncompletedContractsAccompanyingConsolidatedBalanceSheetsDetails" xlink:type="extended" xlink:title="40403 - Disclosure - Costs and Estimated Earnings on Uncompleted Contracts (Costs and Estimated Earnings on Uncompleted Contracts Accompanying Consolidated Balance Sheets) (Details)">
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_ContractWithCustomerNetAssetLiability" xlink:label="sbac_ContractWithCustomerNetAssetLiability"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent" xlink:label="us-gaap_ContractWithCustomerAssetNetCurrent_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="sbac_ContractWithCustomerNetAssetLiability" xlink:to="us-gaap_ContractWithCustomerAssetNetCurrent_637559125498807498" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="sbac_ContractWithCustomerNetAssetLiability" xlink:to="us-gaap_ContractWithCustomerLiabilityCurrent_637559125498807498" order="2" use="optional" weight="-1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosurePrepaidExpensesAndOtherCurrentAssetsAndOtherAssetsScheduleOfPrepaidExpenseAndOtherCurrentAssetsDetails" xlink:type="extended" xlink:title="40501 - Disclosure - Prepaid Expenses and Other Current Assets and Other Assets (Schedule of Prepaid Expense and Other Current Assets) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent_637559125498807498" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_PrepaidRentCurrent" xlink:label="sbac_PrepaidRentCurrent_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="sbac_PrepaidRentCurrent_637559125498807498" order="2" use="optional" weight="1" priority="1"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_PrepaidRealEstateTaxes" xlink:label="sbac_PrepaidRealEstateTaxes_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="sbac_PrepaidRealEstateTaxes_637559125498807498" order="3" use="optional" weight="1" priority="1"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="us-gaap_PrepaidTaxes_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidTaxes_637559125498807498" order="4" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosurePrepaidExpensesAndOtherCurrentAssetsAndOtherAssetsScheduleOfOtherAssetsDetails" xlink:type="extended" xlink:title="40502 - Disclosure - Prepaid Expenses and Other Current Assets and Other Assets (Schedule of Other Assets) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="us-gaap_LongTermInvestments_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_LongTermInvestments_637559125498807498" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRentReceivablesNetNoncurrent" xlink:label="us-gaap_DeferredRentReceivablesNetNoncurrent_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_DeferredRentReceivablesNetNoncurrent_637559125498807498" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_637559125498807498" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="us-gaap_DerivativeAssets_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_DerivativeAssets_637559125498807498" order="4" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNet" xlink:label="us-gaap_ContractWithCustomerAssetNet_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_ContractWithCustomerAssetNet_637559125498807498" order="5" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_DeferredTaxAssetsNet_637559125498807498" order="6" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsMiscellaneousNoncurrent" xlink:label="us-gaap_OtherAssetsMiscellaneousNoncurrent_637559125498807498"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsMiscellaneousNoncurrent_637559125498807498" order="7" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureAcquisitionsScheduleOfAcquisitionCapitalExpendituresDetails" xlink:type="extended" xlink:title="40603 - Disclosure - Acquisitions (Schedule of Acquisition Capital Expenditures) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"></loc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_TowersAndRelatedIntangibleAssetsAcquisitions" xlink:label="sbac_TowersAndRelatedIntangibleAssetsAcquisitions_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="sbac_TowersAndRelatedIntangibleAssetsAcquisitions_637559125498817523" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_AcquisitionOfRightOfUseAssets" xlink:label="sbac_AcquisitionOfRightOfUseAssets_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="sbac_AcquisitionOfRightOfUseAssets_637559125498817523" order="2" use="optional" weight="1" priority="1"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_GroundLeaseLandPurchases" xlink:label="sbac_GroundLeaseLandPurchases_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="sbac_GroundLeaseLandPurchases_637559125498817523" order="3" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosurePropertyAndEquipmentNetPropertyAndEquipmentNetIncludingAssetsHeldUnderCapitalLeasesDetails" xlink:type="extended" xlink:title="40702 - Disclosure - Property and Equipment, Net (Property and Equipment, Net (Including Assets Held Under Capital Leases)) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_637559125498817523" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_637559125498817523" order="2" use="optional" weight="-1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureIntangibleAssetsNetGrossAndNetCarryingAmountsForEachMajorClassOfIntangibleAssetsDetails" xlink:type="extended" xlink:title="40802 - Disclosure - Intangible Assets, Net (Gross and Net Carrying Amounts for each Major Class of Intangible Assets) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_637559125498817523" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_637559125498817523" order="2" use="optional" weight="-1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureAccruedExpensesScheduleOfAccruedExpensesDetails" xlink:type="extended" xlink:title="40901 - Disclosure - Accrued Expenses (Schedule of Accrued Expenses) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedEmployeeBenefitsCurrent" xlink:label="us-gaap_AccruedEmployeeBenefitsCurrent_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="us-gaap_AccruedEmployeeBenefitsCurrent_637559125498817523" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_CapitalExpenditureAccrualCurrent" xlink:label="sbac_CapitalExpenditureAccrualCurrent_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="sbac_CapitalExpenditureAccrualCurrent_637559125498817523" order="2" use="optional" weight="1" priority="3"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent_637559125498817523" order="3" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="us-gaap_TaxesPayableCurrent_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="us-gaap_TaxesPayableCurrent_637559125498817523" order="4" use="optional" weight="1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureDebtScheduleOfPrincipalValuesFairValuesAndCarryingValuesOfDebtDetails" xlink:type="extended" xlink:title="41008 - Disclosure - Debt (Schedule of Principal Values, Fair Values, and Carrying Values of Debt) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent_637559125498817523"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebtNoncurrent_637559125498817523" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebtCurrent_637559125498827552" order="2" use="optional" weight="1" priority="4"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureSegmentDataScheduleOfSegmentReportingInformationDetails" xlink:type="extended" xlink:title="41402 - Disclosure - Segment Data (Schedule of Segment Reporting Information) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_GrossProfit_637559125498827552" order="1" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="us-gaap_CostOfRevenue_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GrossProfit_637559125498827552" xlink:to="us-gaap_CostOfRevenue_637559125498827552" order="1" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GrossProfit_637559125498827552" xlink:to="us-gaap_Revenues_637559125498827552" order="2" use="optional" weight="1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_AssetImpairmentAndDecommissionCosts" xlink:label="sbac_AssetImpairmentAndDecommissionCosts_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="sbac_AssetImpairmentAndDecommissionCosts_637559125498827552" order="2" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="sbac-20210331.xsd#sbac_BusinessCombinationAcquisitionRelatedCostsAndAdjusments" xlink:label="sbac_BusinessCombinationAcquisitionRelatedCostsAndAdjusments_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="sbac_BusinessCombinationAcquisitionRelatedCostsAndAdjusments_637559125498827552" order="3" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_DepreciationAmortizationAndAccretionNet_637559125498827552" order="4" use="optional" weight="-1" priority="2"></calculationArc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_637559125498827552" order="5" use="optional" weight="-1" priority="2"></calculationArc></calculationLink>
  <calculationLink xlink:role="http://www.sbasite.com/role/DisclosureEarningsPerShareWeightedAverageSharesOfCommonStockOutstandingUsedInCalculationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="extended" xlink:title="41502 - Disclosure - Earnings Per Share (Weighted-Average Shares of Common Stock Outstanding used in Calculation of Basic and Diluted Earnings Per Share) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"></loc>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_637559125498827552"></loc>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_637559125498827552" order="1" use="optional" weight="1" priority="2"></calculationArc></calculationLink></linkbase>
