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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,
 Wi5yJHc0+5iBy4mxx2WihMSryasA+PkDLVTb1i1gYSoUPUMC4iwyjbndO9GCZpaa
 gdaulA1LkJ00d1QF9iOjmw==

<SEC-DOCUMENT>0001209191-04-003759.txt : 20040120
<SEC-HEADER>0001209191-04-003759.hdr.sgml : 20040119
<ACCEPTANCE-DATETIME>20040120172036
ACCESSION NUMBER:		0001209191-04-003759
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040114
FILED AS OF DATE:		20040120

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WURSTER GALE E
		CENTRAL INDEX KEY:			0001275321

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31940
		FILM NUMBER:		04533255

	BUSINESS ADDRESS:	
		STREET 1:		ONE FNB BLVD.
		CITY:			HERMITAGE
		STATE:			PA
		ZIP:			16148

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FNB CORP/FL/
		CENTRAL INDEX KEY:			0000037808
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				251255406
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

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

	FORMER COMPANY:	
		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>2004-01-14</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000037808</issuerCik><issuerName>FNB CORP/FL/</issuerName>        <issuerTradingSymbol>FNB</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001275321</rptOwnerCik><rptOwnerName>WURSTER GALE E</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>1039 HIGHLAND ROAD</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>SHARON</rptOwnerCity><rptOwnerState>PA</rptOwnerState><rptOwnerZipCode>16146</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>VP/Assistant Secretary</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTab
le><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2004-01-14</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>4300.0000</value></transactionShares><transactionPricePerShare><footnoteId id="F1" /></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4300.0000</value><footnoteId id="F2" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Not
 applicable; represents award of stock pursuant to the F.N.B. Corporation 2001 Incentive Plan. </footnote><footnote id="F2">Award of stock pursuant to the F.N.B. Corporation 2001 Incentive Plan. Vests 50% on third anniversary of grant date and 50% to vest on the fourth anniversary of the grant date, with the second 50% being subject to the satisfaction of certain performance criteria.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Gale E. Wurster</signatureName><signatureDate>2004-01-20</signatureDate></ownerSignature></ownershipDocument>

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