<SEC-DOCUMENT>0001209191-21-030008.txt : 20210504
<SEC-HEADER>0001209191-21-030008.hdr.sgml : 20210504
<ACCEPTANCE-DATETIME>20210504175513
ACCESSION NUMBER:		0001209191-21-030008
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210501
FILED AS OF DATE:		20210504
DATE AS OF CHANGE:		20210504

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LANGER JACK
		CENTRAL INDEX KEY:			0001253093

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16853
		FILM NUMBER:		21890204

	MAIL ADDRESS:	
		STREET 1:		C/O SPANISH BROADCASTING SYSTEMS INC.
		STREET 2:		2601 SOUTH BAYSHORE DR, PENTHOUSE #2
		CITY:			COCONUT GROVE
		STATE:			FL
		ZIP:			33133

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SBA COMMUNICATIONS CORP
		CENTRAL INDEX KEY:			0001034054
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				650716501
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8051 CONGRESS AVENUE
		CITY:			BOCA RATON
		STATE:			FL
		ZIP:			33487
		BUSINESS PHONE:		5612269345

	MAIL ADDRESS:	
		STREET 1:		8051 CONGRESS AVENUE
		CITY:			BOCA RATON
		STATE:			FL
		ZIP:			33487
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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    <documentType>4</documentType>

    <periodOfReport>2021-05-01</periodOfReport>

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        <issuerName>SBA COMMUNICATIONS CORP</issuerName>
        <issuerTradingSymbol>SBAC</issuerTradingSymbol>
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            <rptOwnerName>LANGER JACK</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>C/O SBA COMMUNICATIONS CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>8051 CONGRESS AVENUE</rptOwnerStreet2>
            <rptOwnerCity>BOCA RATON</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33487</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
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            <exerciseDate>
                <footnoteId id="F6"/>
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            <expirationDate>
                <value>2022-05-21</value>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1899</value>
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            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1899</value>
                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
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        <derivativeHolding>
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            <exerciseDate>
                <footnoteId id="F6"/>
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            <expirationDate>
                <value>2023-05-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2308</value>
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            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2308</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <derivativeHolding>
            <securityTitle>
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            <exerciseDate>
                <footnoteId id="F6"/>
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            <expirationDate>
                <value>2024-05-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
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                <value></value>
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                    <value>182</value>
                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>183</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
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                <value>Restricted Stock Units</value>
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                <value>2021-05-01</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>190</value>
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                <transactionPricePerShare>
                    <footnoteId id="F3"/>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F11"/>
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            <expirationDate>
                <footnoteId id="F11"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>190</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>380</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On May 1, 2021, 201 of the Reporting Person's restricted stock units were settled for an equal number of Class A Common Stock.</footnote>
        <footnote id="F2">On May 1, 2021, 182 of the Reporting Person's restricted stock units were settled for an equal number of Class A Common Stock.</footnote>
        <footnote id="F3">On May 1, 2021, 190 of the Reporting Person's restricted stock units were settled for an equal number of Class A Common Stock.</footnote>
        <footnote id="F4">Includes 32.162 shares acquired through a dividend reinvestment plan.</footnote>
        <footnote id="F5">The securities are held by The Jack Langer 2012 Irrevocable Family Trust for estate planning purposes. The trustee of the trust is the reporting person's spouse. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F6">These options are immediately exercisable.</footnote>
        <footnote id="F7">Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.</footnote>
        <footnote id="F8">These restricted stock units vest in accordance with the following schedule: 200 vest on May 1, 2019; 201 vest on May 1, 2020; and 201 vest on May 1, 2021.</footnote>
        <footnote id="F9">These options vest in accordance with the following schedule: 500 vest on May 1, 2020; 500 vest on May 1, 2021; and 501 vest on May 1, 2022.</footnote>
        <footnote id="F10">These restricted stock units vest in accordance with the following schedule: 181 vest on May 1, 2020; 182 vest on May 1, 2021; and 183 vest on May 1, 2022.</footnote>
        <footnote id="F11">These restricted stock units vest in accordance with the following schedule: 190 vest on May 1, 2021; 190 vest on May 1, 2022; and 190 vest on May 1, 2023.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Thomas P. Hunt, Attorney-in-Fact</signatureName>
        <signatureDate>2021-05-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
