<?xml version="1.0"?>

<ownershipDocument>

    <documentType>3</documentType>

    <periodOfReport>2003-06-09</periodOfReport>


    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000857499</issuerCik>
        <issuerName>SLADES FERRY BANCORP</issuerName>
        <issuerTradingSymbol>SFBC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001242679</rptOwnerCik>
            <rptOwnerName>MCLAUGHLIN DEBORAH A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO of Bancorp &amp; Bank</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>


    <ownerSignature>
        <signatureName>/s/ Deborah A. McLaughlin</signatureName>
        <signatureDate>2003-06-18</signatureDate>
    </ownerSignature>
    <ownerSignature>
        <signatureName>By Authorized Signator /s/ Isola A. Anctil</signatureName>
        <signatureDate>2003-06-18</signatureDate>
    </ownerSignature>

</ownershipDocument>

