-----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,
 II4LpeYhAVCyUX+M4sCjJBTzIEnXTy/grstdHbQrmeAq0hAp0IRh+GgOExs4XULv
 FnfZJ3z1FeMf5Tet6EjvYA==

<SEC-DOCUMENT>0001209191-03-018952.txt : 20030826
<SEC-HEADER>0001209191-03-018952.hdr.sgml : 20030826
<ACCEPTANCE-DATETIME>20030826101938
ACCESSION NUMBER:		0001209191-03-018952
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030825
FILED AS OF DATE:		20030826

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:		03865556

	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:		245 RIVERSIDE AVENUE STE 500
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32202
		BUSINESS PHONE:		9043014200

	MAIL ADDRESS:	
		STREET 1:		245 RIVERSIDE AVENUE
		STREET 2:		SUITE 500
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32202

	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>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-08-25</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><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>245 RIVERSIDE AVENUE</rptOwnerStreet1><rptOwnerStreet2>SUITE 500</rptOwnerStreet2><rptOwnerCity>JACKSONVILLE</rptOwnerCity><rptOwnerState>FL</rptOwnerState><rptOwnerZipCode>32207</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>President, COO &amp; CFO</officerTitle></reportingOwnerRelationship></reportingOwner><
nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common</value></securityTitle><transactionDate><value>2003-08-25</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>6000</value></transactionShares><transactionPricePerShare><value>33.261</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>382758</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes></footnotes><remarks></remarks><ownerSigna
ture><signatureName>/s/ Lawrence Paine, Attorney-in-Fact</signatureName><signatureDate>2003-08-26</signatureDate></ownerSignature></ownershipDocument>

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