-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0000916076-03-000076.txt : 20031121
<SEC-HEADER>0000916076-03-000076.hdr.sgml : 20031121
<ACCEPTANCE-DATETIME>20031121095106
ACCESSION NUMBER:		0000916076-03-000076
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031113
FILED AS OF DATE:		20031121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WATTERSON DAVID S
		CENTRAL INDEX KEY:			0001269137

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12744
		FILM NUMBER:		031016808

	BUSINESS ADDRESS:	
		STREET 1:		2710 WYCLIFF ROAD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
		BUSINESS PHONE:		9197814550

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARTIN MARIETTA MATERIALS INC
		CENTRAL INDEX KEY:			0000916076
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				561848578
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2710 WYCLIFF RD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
		BUSINESS PHONE:		9197814550
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType>
    <periodOfReport>2003-11-13</periodOfReport>
    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000916076</issuerCik>
        <issuerName>MARTIN MARIETTA MATERIALS INC</issuerName>
        <issuerTradingSymbol>MLM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001269137</rptOwnerCik>
            <rptOwnerName>WATTERSON DAVID S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP and Chief Info. Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>
  <nonDerivativeTable>
   <nonDerivativeHolding>
      <securityTitle>
          <value>Common Stock</value>
      </securityTitle>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>5248.00</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeHolding>
  </nonDerivativeTable>
  <derivativeTable>
   <derivativeHolding>
      <securityTitle>
          <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>48.00</value>
      </conversionOrExercisePrice>
      <exerciseDate>
          <value>2000-08-19</value>
              <footnoteId id="F1" />
      </exerciseDate>
      <expirationDate>
          <value>2009-08-19</value>
              <footnoteId id="F1" />
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>2000.00</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
          <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>45.94</value>
      </conversionOrExercisePrice>
      <exerciseDate>
          <value>2001-08-17</value>
              <footnoteId id="F1" />
      </exerciseDate>
      <expirationDate>
          <value>2010-08-17</value>
              <footnoteId id="F1" />
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>3000.00</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
          <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>43.58</value>
      </conversionOrExercisePrice>
      <exerciseDate>
          <value>2002-08-16</value>
              <footnoteId id="F1" />
      </exerciseDate>
      <expirationDate>
          <value>2011-08-16</value>
              <footnoteId id="F1" />
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>3500.00</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
          <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>36.55</value>
      </conversionOrExercisePrice>
      <exerciseDate>
          <value>2003-08-15</value>
              <footnoteId id="F1" />
      </exerciseDate>
      <expirationDate>
          <value>2012-08-15</value>
              <footnoteId id="F1" />
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>7500.00</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
          <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>38.32</value>
      </conversionOrExercisePrice>
      <exerciseDate>
          <value>2004-08-19</value>
              <footnoteId id="F1" />
      </exerciseDate>
      <expirationDate>
          <value>2013-08-19</value>
              <footnoteId id="F1" />
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>5000.00</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
  </derivativeTable>
<footnotes>
   <footnote id="F1">Non-qualified stock option award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan.  Options become exercisable in three equal annual installments commencing one year from the date of grant.</footnote>
</footnotes>
    <ownerSignature>
       <signatureName>David S. Watterson</signatureName>
       <signatureDate>2003-11-20</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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