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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001140361-11-007212.txt : 20110208
<SEC-HEADER>0001140361-11-007212.hdr.sgml : 20110208
<ACCEPTANCE-DATETIME>20110208212914
ACCESSION NUMBER:		0001140361-11-007212
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110208
FILED AS OF DATE:		20110208
DATE AS OF CHANGE:		20110208

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			REILLY WILLIAM K
		CENTRAL INDEX KEY:			0001127306

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11884
		FILM NUMBER:		11584263

	MAIL ADDRESS:	
		STREET 1:		1007 MARKET STREET
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19810

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ROYAL CARIBBEAN CRUISES LTD
		CENTRAL INDEX KEY:			0000884887
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		IRS NUMBER:				980081645
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1050 CARIBBEAN WAY
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33132
		BUSINESS PHONE:		3055396000

	MAIL ADDRESS:	
		STREET 1:		1050 CARIBBEAN WAY
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33132

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RA HOLDINGS INC
		DATE OF NAME CHANGE:	19920424
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-02-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000884887</issuerCik>
        <issuerName>ROYAL CARIBBEAN CRUISES LTD</issuerName>
        <issuerTradingSymbol>RCL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001127306</rptOwnerCik>
            <rptOwnerName>REILLY WILLIAM K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1007 MARKET STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WILMINGTON</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19810</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-02-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2599</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23251</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents 2,599 shares of common stock underlying immediately vested restricted stock units (&quot;RSUs&quot;) granted pursuant to the Royal Caribbean Cruises Ltd. 2008 Equity Incentive Plan.  The shares underlying the RSUs are issuable one year following the RSU grant date.</footnote>
        <footnote id="F2">Granted in consideration for service as a director of the issuer.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Carrie Levine, Attorney-in-Fact for William K. Reilly</signatureName>
        <signatureDate>2011-02-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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