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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 YbJtqo4SynzE81WdjY+llA==

<SEC-DOCUMENT>0001303990-06-000040.txt : 20060404
<SEC-HEADER>0001303990-06-000040.hdr.sgml : 20060404
<ACCEPTANCE-DATETIME>20060404173536
ACCESSION NUMBER:		0001303990-06-000040
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060207
FILED AS OF DATE:		20060404
DATE AS OF CHANGE:		20060404

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STARWOOD HOTEL & RESORTS WORLDWIDE INC
		CENTRAL INDEX KEY:			0000316206
		STANDARD INDUSTRIAL CLASSIFICATION:	HOTELS & MOTELS [7011]
		IRS NUMBER:				521193298
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1111 WESTCHESTER AVENUE
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10604
		BUSINESS PHONE:		9146408100

	MAIL ADDRESS:	
		STREET 1:		2231 E CAMELBACK RD. 4TH FL
		STREET 2:		SUITE 4O0
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STARWOOD LODGING CORP
		DATE OF NAME CHANGE:	19950215

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HOTEL INVESTORS CORP
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HIPPEAU ERIC
		CENTRAL INDEX KEY:			0001105694

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07959
		FILM NUMBER:		06739519

	BUSINESS ADDRESS:	
		STREET 1:		C/O ZIFF DAVIS INC
		STREET 2:		28 EAST 28TH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10016
		BUSINESS PHONE:		9146408100

	MAIL ADDRESS:	
		STREET 1:		STARWOOD HOTELS & RESORTS WORLDWIDE
		STREET 2:		44 SOUTH BROADWAY
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10601
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-02-07</periodOfReport>

    <issuer>
        <issuerCik>0000316206</issuerCik>
        <issuerName>STARWOOD HOTEL &amp; RESORTS WORLDWIDE INC</issuerName>
        <issuerTradingSymbol>HOT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001105694</rptOwnerCik>
            <rptOwnerName>HIPPEAU ERIC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SOFTBANK CAPITAL PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>461 FIFTH AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to Purchase Shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>59.635</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-02-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-02-07</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-02-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Shares</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-03-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>196</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Shares</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>196</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11409</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Under the terms of the Starwood's Long Term Incentive Plan (the &quot;LTIP&quot;), certain eligible Directors of Starwood receive an annual grant of options to purchase shares in amount specified by the LTIP.</footnote>
        <footnote id="F2">Each holder of shares of common stock (&quot;Corporation Shares&quot;) of Starwood Hotels &amp; Resorts Worldwide, Inc. (&quot;Starwood&quot;) owns an equivalent number of Class B shares of beneficial interest (&quot;Trust Shares&quot;) of Starwood Hotels &amp; Resorts, a real estate investment trust and subsidiary of Starwood.  Corporation Shares and Trust Shares may be held and traded only in units consisting of one Corporation Share and one Trust Share (&quot;Shares&quot;).</footnote>
        <footnote id="F3">Phantom Shares are convertible into Shares (as defined in footnote 2 above) on a 1-for-1 basis.</footnote>
        <footnote id="F4">Phantom Shares accrued on 3/31/06 by reporting person as directors' fees under the Starwood's Long-Term Compensation Plan (the &quot;LTIP&quot;).  Directors will receive Shares upon termination of service on the Board of Directors.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Kenneth S. Siegel, Attorney-In-Fact</signatureName>
        <signatureDate>2006-04-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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