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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2023-02-14</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001370637</issuerCik>
        <issuerName>ETSY INC</issuerName>
        <issuerTradingSymbol>ETSY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001580549</rptOwnerCik>
            <rptOwnerName>Stretch Colin</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ETSY, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>117 ADAMS STREET</rptOwnerStreet2>
            <rptOwnerCity>BROOKLYN</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Legal Officewr</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>Exhibit List - Exhibit 24 - Power of Attorney
No Table I or Table II securities beneficially owned</remarks>

    <ownerSignature>
        <signatureName>/s/ Brittany Keen, Power of Attorney for Colin Stretch</signatureName>
        <signatureDate>2023-02-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
