<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-07-26</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001099160</issuerCik>
        <issuerName>BEASLEY BROADCAST GROUP INC</issuerName>
        <issuerTradingSymbol>BBGI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688994</rptOwnerCik>
            <rptOwnerName>Bordes Stephanie L.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARTER LEDYARD &amp; MILBURN LLP</rptOwnerStreet1>
            <rptOwnerStreet2>TWO WALL STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10005</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-07-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>439425</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Gift Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Stephanie L. Bordes is a co-trustee and beneficiary of the Stephanie Bordes 2009 Gift Trust.</footnote>
        <footnote id="F2">Stephanie L. Bordes disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this report shall not be deemed to be an admission that she is, for purposes of Section 16 or for any other purpose, the beneficial owner of such securities.</footnote>
    </footnotes>

    <remarks>As a result of certain agreements among the Reporting Persons and certain other shareholders of the Issuer, the Reporting Persons may be deemed members of a &quot;group&quot;, within the meaning of Rule 13d-5(b)(1) under the Securities Exchange Act of 1934, as amended (the &quot;Act&quot;), with such other shareholders, that beneficially owns more than 10% of the Class A Common Stock of the Issuer. These agreements are described in, and filed as exhibits to, the Reporting Persons' report on Schedule 13D filed with the Securities Exchange Commission on November 14, 2016, as amended. This filing is being made as a precautionary matter and shall not be deemed an admission that any of the Reporting Persons is a member of a group or subject to the reporting requirements of Section 16 of the Act.</remarks>

    <ownerSignature>
        <signatureName>/s/ Stephen F. Lappert, Attorney-in-Fact on behalf of Stephanie L. Bordes</signatureName>
        <signatureDate>2018-07-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
