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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,
 EVAKAhpW4lEQQqj28LLcUXf6n7ZQNQcu1yXaeZFp/OLw+FF8OjDySsNQgjAM4blI
 pPX7DNapvPM/F8ldAFnaRg==

<SEC-DOCUMENT>0001140361-11-005613.txt : 20110202
<SEC-HEADER>0001140361-11-005613.hdr.sgml : 20110202
<ACCEPTANCE-DATETIME>20110202144704
ACCESSION NUMBER:		0001140361-11-005613
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110201
FILED AS OF DATE:		20110202
DATE AS OF CHANGE:		20110202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rice Brian J
		CENTRAL INDEX KEY:			0001317448

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11884
		FILM NUMBER:		11566159

	MAIL ADDRESS:	
		STREET 1:		ROYAL CARIBBEAN CRUISES LTD
		STREET 2:		1050 CARIBBEAN WAY
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33132

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>2011-02-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001317448</rptOwnerCik>
            <rptOwnerName>Rice Brian J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ROYAL CARIBBEAN CRUISES LTD.</rptOwnerStreet1>
            <rptOwnerStreet2>1050 CARIBBEAN WAY</rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33132</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Finance &amp; CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-02-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>804</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>45.57</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>136729</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Son</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the number of shares of common stock withheld by the issuer to cover the reporting person's tax liability associated with the vesting of 2,897 shares underlying certain restricted stock units on 2/01/2011.</footnote>
        <footnote id="F2">Represents the average of the high and low prices for the issuer's common stock on the NYSE on 2/01/2011.</footnote>
        <footnote id="F3">The reporting person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Bradley H. Stein, Attorney-in-Fact for Brian J. Rice</signatureName>
        <signatureDate>2011-02-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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