-----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,
 IRni2SA2IzxD6voEFJFIGzQY3uWTi+7o9TE44u7FTS3l9TOoD+MDsPmAKIBvozvJ
 Bw45s15OpAUs8cMJPVDrZw==

<SEC-DOCUMENT>0001209191-03-003407.txt : 20030508
<SEC-HEADER>0001209191-03-003407.hdr.sgml : 20030508
<ACCEPTANCE-DATETIME>20030508101443
ACCESSION NUMBER:		0001209191-03-003407
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030507
FILED AS OF DATE:		20030508

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TWOMEY KEVIN M
		CENTRAL INDEX KEY:			0001203099

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10466
		FILM NUMBER:		03687338

	MAIL ADDRESS:	
		STREET 1:		1650 PRUDENTIAL DR
		STREET 2:		STE 400
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32207

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ST JOE CO
		CENTRAL INDEX KEY:			0000745308
		STANDARD INDUSTRIAL CLASSIFICATION:	LAND SUBDIVIDERS & DEVELOPERS (NO CEMETERIES) [6552]
		IRS NUMBER:				590432511
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1650 PRUDENTIAL DR STE 400
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32207
		BUSINESS PHONE:		9043966600

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1380
		STREET 2:		P O BOX 1380
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ST JOE CORP
		DATE OF NAME CHANGE:	19980430

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ST JOE PAPER CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>    <schemaVersion>X0101</schemaVersion><documentType>4</documentType><periodOfReport>2003-05-07</periodOfReport><issuer><issuerCik>0000745308</issuerCik>        <issuerName>ST JOE CO</issuerName><issuerTradingSymbol>Joe</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001203099</rptOwnerCik>            <rptOwnerName>TWOMEY KEVIN M</rptOwnerName>        </reportingOwnerId>        <reportingOwnerAddress>            <rptOwnerStreet1>  </rptOwnerStreet1>            <rptOwnerStreet2>  </rptOwnerStreet2>            <rptOwnerCity>  </rptOwnerCity>            <rptOwnerState>  </rptOwnerState>            <rptOwnerZipCode>  </rptOwnerZipCode>        </reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>President, COO &amp; CFO</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurit
y><securityTitle><value>Common</value></securityTitle><transactionDate><value>2003-05-07</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>F</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>36461</value></transactionShares><transactionValue><value>29.45</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeSecurity><nonDerivativeSecurity><securityTitle><value>Common</value></securityTitle><transactionDate><value>2003-05-07</value></transactionDate><transactionCoding><transactionFormType>4</transa
ctionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>48699</value></transactionShares><transactionValue><value>16.69</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>152097</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeSecurity><derivativeSecurity><securityTitle><value>KMT 2000 Stock Option</value></securityTitle><conversionOrExercisePrice><value>16.69</value></conversionOrExercisePrice><transactionDate><value>2003-05-07</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0
</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>48669</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2001-02-21</value></exerciseDate><expirationDate><value>2010-02-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>48669</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>97151</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeSecurity><footnotes></footnotes><ownerSignature><signatureName>/s/ Kevin M. Twomey</signatureName><signatureDate>2003-05-08</signatu
reDate></ownerSignature></ownershipDocument>

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