-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FvRuPUZHwcSTeiJXOz760nugijatkPptWkaBjFmvqCsRKWsGkitL9u/KsiTMbz2U
 sVucEdmdMPQCDT89deWq4Q==

<SEC-DOCUMENT>0001001865-04-000021.txt : 20040702
<SEC-HEADER>0001001865-04-000021.hdr.sgml : 20040702
<ACCEPTANCE-DATETIME>20040702142952
ACCESSION NUMBER:		0001001865-04-000021
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040701
FILED AS OF DATE:		20040702

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COAST CASINOS INC
		CENTRAL INDEX KEY:			0001001865
		STANDARD INDUSTRIAL CLASSIFICATION:	HOTELS & MOTELS [7011]
		IRS NUMBER:				880345704
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4500 W TROPICANA AVE
		STREET 2:		POST OFFICE BOX 80750
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89103
		BUSINESS PHONE:		7023657000

	MAIL ADDRESS:	
		STREET 1:		4500 W TROPICANA AVE
		STREET 2:		PO BOX 80750
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COAST RESORTS INC
		DATE OF NAME CHANGE:	19951005

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HERBST JERRY
		CENTRAL INDEX KEY:			0001005857

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31352
		FILM NUMBER:		04899250

	BUSINESS ADDRESS:	
		STREET 1:		4000 WEST FLAMINGO RD
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89103
		BUSINESS PHONE:		7023677111

	MAIL ADDRESS:	
		STREET 1:		4000 WEST FLAMINGO RD
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89103
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-07-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001001865</issuerCik>
        <issuerName>COAST CASINOS INC</issuerName>
        <issuerTradingSymbol>N/A</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001005857</rptOwnerCik>
            <rptOwnerName>HERBST JERRY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5195 LAS VEGAS BLVD SO</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LAS VEGAS</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89119</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-07-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>265488.08</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>550</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Jerry Herbst</signatureName>
        <signatureDate>2004-07-01</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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