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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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 Z2GXGiFq+OzPFgUulk+TSg==

<SEC-DOCUMENT>0001209191-04-004493.txt : 20040123
<SEC-HEADER>0001209191-04-004493.hdr.sgml : 20040123
<ACCEPTANCE-DATETIME>20040123175000
ACCESSION NUMBER:		0001209191-04-004493
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040121
FILED AS OF DATE:		20040123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BOMSTEIN ALAN C
		CENTRAL INDEX KEY:			0001207716

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31883
		FILM NUMBER:		04541550

	MAIL ADDRESS:	
		STREET 1:		1015 VICTORIA DRIVE
		CITY:			DUNEDIN
		STATE:			FL
		ZIP:			34698

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
</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>2004-01-21</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0001267969</issuerCik><issuerName>FIRST NATIONAL BANKSHARES OF FLORIDA INC</issuerName>        <issuerTradingSymbol>FLB</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001207716</rptOwnerCik><rptOwnerName>BOMSTEIN ALAN C</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>1015 VICTORIA DRIVE</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>DUNEDIN</rptOwnerCity><rptOwnerState>FL</rptOwnerState><rptOwnerZipCode>34698</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTra
nsaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2004-01-21</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>877.1900</value><footnoteId id="F1" /></transactionShares><transactionPricePerShare><value>17.1000</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>33852.8880</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><
value>Stock Options</value></securityTitle><conversionOrExercisePrice><value>9.0444</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F2" /></exerciseDate><expirationDate><value>2010-01-23</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1381.8050</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1381.8050</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options</value></securityTitle><conversionOrExercisePrice><value>9.2429</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F2" /></exerciseDate><expirationDate><value>2011-01-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</valu
e></underlyingSecurityTitle><underlyingSecurityShares><value>1298.7690</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1298.7690</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options</value></securityTitle><conversionOrExercisePrice><value>11.4597</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F2" /></exerciseDate><expirationDate><value>2012-01-20</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1028.3690</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1028.3690</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndir
ectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options</value></securityTitle><conversionOrExercisePrice><value>12.1758</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F2" /></exerciseDate><expirationDate><value>2013-01-20</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Commmon Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>2293.0720</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2293.0720</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options</value></securityTitle><conversionOrExercisePrice><value>2.3699</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F2" /></exerciseD
ate><expirationDate><value>2013-03-16</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>9472.4950</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>9472.4950</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Shares vest over a 1 year period ending 01/21/2005</footnote><footnote id="F2">Stock Options vest over a 1 year period, fully vested on the first anniversary of grant date.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Alan C. Bomstein</signatureName><signatureDate>2004-01-23</signatureDate></ownerSignature></ownershipDocument>

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