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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 5isr8bYbUstQl41Ojxxhpw==

<SEC-DOCUMENT>0001104659-04-039573.txt : 20041214
<SEC-HEADER>0001104659-04-039573.hdr.sgml : 20041214
<ACCEPTANCE-DATETIME>20041214184952
ACCESSION NUMBER:		0001104659-04-039573
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041210
FILED AS OF DATE:		20041214
DATE AS OF CHANGE:		20041214

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANDALAY RESORT GROUP
		CENTRAL INDEX KEY:			0000725549
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MISCELLANEOUS AMUSEMENT & RECREATION [7990]
		IRS NUMBER:				880121916
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0131

	BUSINESS ADDRESS:	
		STREET 1:		3950 LAS VEGAS BLVD S
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89119
		BUSINESS PHONE:		7027340410

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CIRCUS CIRCUS ENTERPRISES INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MORE DONNA B
		CENTRAL INDEX KEY:			0001186759

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08570
		FILM NUMBER:		041202899

	BUSINESS ADDRESS:	
		STREET 1:		3950 LAS VEGAS BLVD SOUTH
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89119
		BUSINESS PHONE:		7026326820
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-12-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000725549</issuerCik>
        <issuerName>MANDALAY RESORT GROUP</issuerName>
        <issuerTradingSymbol>MBG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001186759</rptOwnerCik>
            <rptOwnerName>MORE DONNA B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>417 N. CANAL STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60610</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock (.01 2/3 Par Value)</value>
            </securityTitle>
            <transactionDate>
                <value>2004-12-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6050</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Except as otherwise provided in the next sentence, all of these shares will be forfeited if the reporting person ceases to be a director on or before 12/10/05; 1,334 of these shares will be forfeited if the reporting person ceases to be a director after 12/10/05 but on or before 12/10/06, and 667 of these shares will be forfeited if the reporting person ceases to be a director after 12/10/06 but on or before 12/10/07.  Upon consummation of the merger contemplated by the Agreement and Plan of Merger, dated as of June 15, 2004, among MGM MIRAGE, MGM MIRAGE Acquisition Co. #61 and Mandalay Resort Group, each of these shares then held by the reporting person will be canceled in exchange for the right to receive a cash payment of $71.00 per share.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Donna B. More</signatureName>
        <signatureDate>2004-12-13</signatureDate>
    </ownerSignature>
</ownershipDocument>

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