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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,
 JCtao2hSmArub7ppPnqLrW5yUuaCBOcyS+HajelTSCJ3ci4x7VE9mBfPzenjfx6I
 m7foQIeiSnJ1FW7CQA3yKg==

<SEC-DOCUMENT>0001209191-04-001722.txt : 20040106
<SEC-HEADER>0001209191-04-001722.hdr.sgml : 20040106
<ACCEPTANCE-DATETIME>20040106183405
ACCESSION NUMBER:		0001209191-04-001722
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040102
FILED AS OF DATE:		20040106

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST NATIONAL BANKSHARES OF FLORIDA INC
		CENTRAL INDEX KEY:			0001267969
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				200175526
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2150 GOODLETTE RD NORTH
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34102
		BUSINESS PHONE:		2392627600

	MAIL ADDRESS:	
		STREET 1:		2150 GOODLETTE RD NORTH
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FNB CORP/FL/
		CENTRAL INDEX KEY:			0000037808
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31883
		FILM NUMBER:		04511367

	BUSINESS ADDRESS:	
		STREET 1:		F.N.B. CENTER
		STREET 2:		2150 GOODLETTE ROAD NORTH
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34102
		BUSINESS PHONE:		239-262-7600

	MAIL ADDRESS:	
		STREET 1:		F.N.B. CENTER
		STREET 2:		2150 GOODLETTE ROAD NORTH
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34102

	FORMER NAME:	
		FORMER CONFORMED NAME:	FNB CORP/PA
		DATE OF NAME CHANGE:	19920703

	FORMER NAME:	
		FORMER CONFORMED NAME:	CITIZENS BUDGET CO
		DATE OF NAME CHANGE:	19750909
</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>2004-01-02</periodOfReport><notSubjectToSection16>1</notSubjectToSection16><issuer><issuerCik>0001267969</issuerCik><issuerName>FIRST NATIONAL BANKSHARES OF FLORIDA INC</issuerName>        <issuerTradingSymbol>FLB</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0000037808</rptOwnerCik><rptOwnerName>FNB CORP/FL/</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>2150 GOODLETTE ROAD N</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>NAPLES</rptOwnerCity><rptOwnerState>FL</rptOwnerState><rptOwnerZipCode>34102</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTrans
action><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2004-01-02</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>J</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1" /></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>1.0000</value></transactionShares><transactionPricePerShare><footnoteId id="F1" /></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Reporting person distributed shares 
to its shareholders on a pro rata basis.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Tito L. Lima, Corporate Controller</signatureName><signatureDate>2004-01-06</signatureDate></ownerSignature></ownershipDocument>

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