-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 ElYqH6W8ZudhGGR+Q8FPqBJdjwDX8vWj2AEIuzaf3lYEcXb0Pi0Rf1hv63dAgkj7
 qZZi9mqfuCPAafEQ1KOVCA==

<SEC-DOCUMENT>0000914062-09-000170.txt : 20090507
<SEC-HEADER>0000914062-09-000170.hdr.sgml : 20090507
<ACCEPTANCE-DATETIME>20090507105752
ACCESSION NUMBER:		0000914062-09-000170
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090428
FILED AS OF DATE:		20090507
DATE AS OF CHANGE:		20090507

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARINE PRODUCTS CORP
		CENTRAL INDEX KEY:			0001129155
		STANDARD INDUSTRIAL CLASSIFICATION:	SHIP & BOAT BUILDING & REPAIRING [3730]
		IRS NUMBER:				582572419
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2170 PIEDMONT ROAD NE
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30324
		BUSINESS PHONE:		4043212140

	MAIL ADDRESS:	
		STREET 1:		2170 PIEDMONT ROAD NE
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30324

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PRINCE LARRY L
		CENTRAL INDEX KEY:			0001014182

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16263
		FILM NUMBER:		09804053

	MAIL ADDRESS:	
		STREET 1:		SUNTRUST BANKS INC
		STREET 2:		P O BOX 4418 MC643
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30302
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-04-28</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001129155</issuerCik>
        <issuerName>MARINE PRODUCTS CORP</issuerName>
        <issuerTradingSymbol>MPX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001014182</rptOwnerCik>
            <rptOwnerName>PRINCE LARRY L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2999 CIRCLE 75 PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30339</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Larry L. Prince</signatureName>
        <signatureDate>2009-05-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
