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

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-11-17</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001071625</issuerCik>
        <issuerName>DOVER SADDLERY INC</issuerName>
        <issuerTradingSymbol>DOVR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001159120</rptOwnerCik>
            <rptOwnerName>KREVLIN GLENN J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GJK CAPITAL MANAGEMENT, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>598 MADISON AVENUE, 12TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001137521</rptOwnerCik>
            <rptOwnerName>KREVLIN ADVISORS LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GJK CAPITAL MANAGEMENT, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>598 MADISON AVENUE, 12TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001137522</rptOwnerCik>
            <rptOwnerName>GJK CAPITAL MANAGEMENT LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>598 MADISON AVENUE, 12TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001137373</rptOwnerCik>
            <rptOwnerName>GLENHILL CAPITAL LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GJK CAPITAL MANAGEMENT, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>598 MADISON AVENUE, 12TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1078000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Krevlin is the managing member of Krevlin Advisors, LLC. Krevlin Advisors LLC is the managing member of GJK Capital Management, LLC.  Krevlin Advisors, LLC either through GJK Capital Management, LLC or other entities, has investment control and owns a minority interest in various private investment funds, including Glenhill Capital LP, Glenhill Concentrated Long Master Fund LLC and Glenhill Capital Overseas Master Fund, L.P., which in turn own the reported securities.  The reporting persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ GLENN J. KREVLIN</signatureName>
        <signatureDate>2005-11-23</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ GLENN J. KREVLIN, Managing Member on behalf of Krevlin Advisors, LLC</signatureName>
        <signatureDate>2005-11-23</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ GLENN J. KREVLIN, Managing Member of Krevlin Advisors, LLC, as Managing Member on behalf of GJK Capital Management, LLC</signatureName>
        <signatureDate>2005-11-23</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ GLENN J. KREVLIN, Managing Member of Krevlin Advisors, LLC, as Managing Member of GJK Capital Management, LLC, as General Partner on behalf of Glenhill Capital LP</signatureName>
        <signatureDate>2005-11-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
