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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JgDX7QzvRf16fs1/nhLU6PUWia8QcBk8jvmYXemR4NPjt3HALf8GpUgNWZKLgfJX
 GojVR/HYPB50skHtsAxK5w==

<SEC-DOCUMENT>0001209191-03-004990.txt : 20030520
<SEC-HEADER>0001209191-03-004990.hdr.sgml : 20030520
<ACCEPTANCE-DATETIME>20030520150540
ACCESSION NUMBER:		0001209191-03-004990
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030519
FILED AS OF DATE:		20030520

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AINSLIE MICHAEL L
		CENTRAL INDEX KEY:			0001227806

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10466
		FILM NUMBER:		03712273

	BUSINESS ADDRESS:	
		STREET 1:		415 SENSPRASY AVE
		CITY:			PALM BEACH
		STATE:			FL
		ZIP:			33480

	MAIL ADDRESS:	
		STREET 1:		415 SENSPSRAY AVE
		CITY:			PALM BEACH
		STATE:			FL
		ZIP:			33480

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>2003-05-19</periodOfReport><issuer><issuerCik>0000745308</issuerCik><issuerName>ST JOE CO</issuerName>        <issuerTradingSymbol>Joe</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001227806</rptOwnerCik><rptOwnerName>AINSLIE MICHAEL L</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><derivativeSecurity><securityTitle><value>2003 Director Stock Option</value></securityTitle><conversionOrExercisePrice><value>30</value></
conversionOrExercisePrice><transactionDate><value>2003-05-19</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>4000</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-05-19</value><footnoteId id="F1" /></exerciseDate><expirationDate><value>2014-05-19</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>4000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directO
rIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">The options vest ratably over three years commencing May 19, 2004</footnote></footnotes><ownerSignature><signatureName>/s/ Michael L. Ainslie</signatureName><signatureDate>2003-05-20</signatureDate></ownerSignature></ownershipDocument>

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