-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 L7SgrPQ9xF0+mXUuitcVVzUTSu4u3LlspWK4LAr1oimOtbkoIIEWd22KZKkiHbPO
 15+l3aDgLodcfdTRja/xoQ==

<SEC-DOCUMENT>0001181431-11-011619.txt : 20110218
<SEC-HEADER>0001181431-11-011619.hdr.sgml : 20110218
<ACCEPTANCE-DATETIME>20110218194853
ACCESSION NUMBER:		0001181431-11-011619
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110217
FILED AS OF DATE:		20110218
DATE AS OF CHANGE:		20110218

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sunstone Hotel Investors, Inc.
		CENTRAL INDEX KEY:			0001295810
		STANDARD INDUSTRIAL CLASSIFICATION:	HOTELS & MOTELS [7011]
		IRS NUMBER:				201296886
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		903 CALLE AMANECER, SUITE 100
		CITY:			SAN CLEMENTE
		STATE:			CA
		ZIP:			92673
		BUSINESS PHONE:		949-369-4000

	MAIL ADDRESS:	
		STREET 1:		903 CALLE AMANECER, SUITE 100
		CITY:			SAN CLEMENTE
		STATE:			CA
		ZIP:			92673

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ALTER ROBERT A
		CENTRAL INDEX KEY:			0001083436

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32319
		FILM NUMBER:		11626121

	MAIL ADDRESS:	
		STREET 1:		SUNSTONE HOTEL INVESTORS INC
		STREET 2:		903 CALLE AMANECER
		CITY:			SAN CLAMENTINE
		STATE:			CA
		ZIP:			92673-6212
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd301486.xml
<DESCRIPTION>ALTER 2011 GRANT AND VESTING #3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-02-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001295810</issuerCik>
        <issuerName>Sunstone Hotel Investors, Inc.</issuerName>
        <issuerTradingSymbol>SHO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001083436</rptOwnerCik>
            <rptOwnerName>ALTER ROBERT A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>120 VANTIS</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 350</rptOwnerStreet2>
            <rptOwnerCity>ALISO VIEJO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92656</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Chairman</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-02-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>48497</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>219571</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40954</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Robert A. Alter Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On February 17, 2011, Sunstone Hotel Investors, Inc. (the &quot;Company&quot;) granted 48,497 restricted shares of common stock to the Reporting Person pursuant to its 2004 Long-Term Incentive Plan. Such shares are subject to the satisfaction of vesting requirements over a three-year period.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Robert A. Alter</signatureName>
        <signatureDate>2011-02-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----