<SEC-DOCUMENT>0001209191-18-017548.txt : 20180306
<SEC-HEADER>0001209191-18-017548.hdr.sgml : 20180306
<ACCEPTANCE-DATETIME>20180306205947
ACCESSION NUMBER:		0001209191-18-017548
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180304
FILED AS OF DATE:		20180306
DATE AS OF CHANGE:		20180306

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cavanagh Brendan Thomas
		CENTRAL INDEX KEY:			0001293293

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16853
		FILM NUMBER:		18671716

	MAIL ADDRESS:	
		STREET 1:		5900 BROKEN SOUND PARKWAY, NW
		CITY:			BOCA RATON
		STATE:			FL
		ZIP:			33487-2797

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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        <issuerName>SBA COMMUNICATIONS CORP</issuerName>
        <issuerTradingSymbol>SBAC</issuerTradingSymbol>
    </issuer>

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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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            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
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            <officerTitle>Executive Vice President &amp; CFO</officerTitle>
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            <securityTitle>
                <value>Stock Options (Right to Buy)</value>
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                <footnoteId id="F5"/>
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            <expirationDate>
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                <underlyingSecurityTitle>
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                <footnoteId id="F5"/>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>50212</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
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            <exerciseDate>
                <footnoteId id="F14"/>
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            <expirationDate>
                <value>2025-03-06</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
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                <underlyingSecurityShares>
                    <value>50212</value>
                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>50212</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
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            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
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            <transactionDate>
                <value>2018-03-06</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>5234</value>
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                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F15"/>
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            <expirationDate>
                <footnoteId id="F15"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5234</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5234</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On March 4, 2018, 1,668 of the Reporting Person's restricted stock units were settled for an equal number of shares of Class A Common Stock.</footnote>
        <footnote id="F2">On March 5, 2018, 1,361 of the Reporting Person's restricted stock units were settled for an equal number of shares of Class A Common Stock.</footnote>
        <footnote id="F3">On March 6, 2018, 1,537 of the Reporting Person's restricted stock units were settled for an equal number of shares of Class A Common Stock.</footnote>
        <footnote id="F4">On March 6, 2018, 1,543 of the Reporting Person's restricted stock units were settled for an equal number of shares of Class A Common Stock.</footnote>
        <footnote id="F5">These options are immediately exercisable.</footnote>
        <footnote id="F6">Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.</footnote>
        <footnote id="F7">These restricted stock units vest in accordance with the following schedule: 1,536 vest on each of the first and third anniversary of the grant date and 1,537 vest on each of the second and fourth anniversary of the grant date (March 6, 2014).</footnote>
        <footnote id="F8">These options vest in accordance with the following schedule: 13,602 vest on the first anniversary of the grant date and 13,603 vest on each of the second through fourth anniversaries of the grant date (March 5, 2015).</footnote>
        <footnote id="F9">These restricted stock units vest in accordance with the following schedule: 1,361 vest on each of the first and third anniversary of the grant date and 1,362 vest on each of the second and fourth anniversary of the grant date (March 5, 2015).</footnote>
        <footnote id="F10">These options vest in accordance with the following schedule: 17,064 vest on each of the first and third anniversary of the grant date and 17,065 vest on each of the second and fourth anniversary of the grant date (March 4, 2016).</footnote>
        <footnote id="F11">These restricted stock units vest in accordance with the following schedule: 1,668 vest on each of the first through fourth anniversaries of the grant date (March 4, 2016).</footnote>
        <footnote id="F12">These options vest in accordance with the following schedule: 15,040 vest on the first anniversary of the grant date and 15,041 vest on each of the second through fourth anniversaries of the grant date (March 6, 2017).</footnote>
        <footnote id="F13">These restricted stock units vest in accordance with the following schedule: 1,543 vest on the first anniversary of the grant date and 1,544 vest on each of the second through fourth anniversaries of the grant date (March 6, 2017).</footnote>
        <footnote id="F14">These options vest in accordance with the following schedule: 12,553 vest on each of the first through fourth anniversaries of the grant date (March 6, 2018).</footnote>
        <footnote id="F15">These restricted stock units vest in accordance with the following schedule: 1,308 vest on each of the first and the third anniversaries of the grant date, and 1,309 vest on each of the second and the fourth anniversaries of the grant date (March 6, 2018).</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Thomas P. Hunt, Attorney-in-Fact</signatureName>
        <signatureDate>2018-03-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
