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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Hr+xRxcMGU+m17gJQHZvMdsdY/vl5ajQNipMD/kgZQrtBv+sMMXxKkBoGLB98zDT
 JQZ+dzidFmMy14z/eH24MQ==

<SEC-DOCUMENT>0001116679-08-000873.txt : 20080324
<SEC-HEADER>0001116679-08-000873.hdr.sgml : 20080324
<ACCEPTANCE-DATETIME>20080324145656
ACCESSION NUMBER:		0001116679-08-000873
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080320
FILED AS OF DATE:		20080324
DATE AS OF CHANGE:		20080324

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KLOPP JOHN R
		CENTRAL INDEX KEY:			0001217121

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14788
		FILM NUMBER:		08706835

	MAIL ADDRESS:	
		STREET 1:		3 NASH ISLAND
		CITY:			DARIEN
		STATE:			CT
		ZIP:			06820

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CAPITAL TRUST INC
		CENTRAL INDEX KEY:			0001061630
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				946181186
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		410 PARK AVENUE
		STREET 2:		14TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2126550220

	MAIL ADDRESS:	
		STREET 1:		PAUL, HASTINGS, JANOFSKY & WALKER LLP
		STREET 2:		75 E 55TH ST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</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>2008-03-20</periodOfReport>

    <issuer>
        <issuerCik>0001061630</issuerCik>
        <issuerName>CAPITAL TRUST INC</issuerName>
        <issuerTradingSymbol>CT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001217121</rptOwnerCik>
            <rptOwnerName>KLOPP JOHN R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>15 EAST 91ST STREET APT 1/2A</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10128</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </securityTitle>
            <transactionDate>
                <value>2008-03-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>26436</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>415710</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">JRK Investment Partnership, LP (&quot;JRK&quot;) beneficially owns 300,044 shares of Class A Common Stock. The Reporting Person is the general partner of JRK.</footnote>
        <footnote id="F2">The Reporting Person also indirectly beneficially owns 3,333 shares of Class A Common Stock by IRA.</footnote>
        <footnote id="F3">Represents shares of restricted stock acquired by the Reporting Person pursuant to the vesting of a performance unit under the terms of the Reporting Person's award agreement granting performance units.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Geoffrey G. Jervis, on behalf of John R. Klopp</signatureName>
        <signatureDate>2008-03-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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