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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CLcSXcXUjlrDXjBe/UGTxNIXZTQiIpXNNejVK34lH96riSjeek9hijI36mbpkz/h
 dLFrY58Llz1eDmTevb8CTA==

<SEC-DOCUMENT>0001209191-03-015718.txt : 20030806
<SEC-HEADER>0001209191-03-015718.hdr.sgml : 20030806
<ACCEPTANCE-DATETIME>20030806105314
ACCESSION NUMBER:		0001209191-03-015718
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030804
FILED AS OF DATE:		20030806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WILEY R BENJAMIN
		CENTRAL INDEX KEY:			0001195165

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08144
		FILM NUMBER:		03825318

	BUSINESS ADDRESS:	
		STREET 1:		3570 TANAGER DRIVE
		CITY:			ERIE
		STATE:			PA
		ZIP:			16316

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>2003-08-04</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000037808</issuerCik><issuerName>FNB CORP/FL/</issuerName>        <issuerTradingSymbol>FBAN</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001195165</rptOwnerCik><rptOwnerName>WILEY R BENJAMIN</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>3570  TANAGER STREET</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>ERIE</rptOwnerCity><rptOwnerState>PA</rptOwnerState><rptOwnerZipCode>16506</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><val
ue>COMMON</value></securityTitle><transactionDate><value>2003-08-04</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>72.095</value></transactionShares><transactionPricePerShare><value>30.5155</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11923.922</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>Stock Options (Granted 01/24/1999)</value></securityTitle><conversionOrExercisePrice><value>20.0
3</value></conversionOrExercisePrice><exerciseDate><value>2000-01-25</value></exerciseDate><expirationDate><value>2009-01-24</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1499</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1499</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options (Granted 04/29/1999)</value></securityTitle><conversionOrExercisePrice><value>18.85</value></conversionOrExercisePrice><exerciseDate><value>2000-04-30</value></exerciseDate><expirationDate><value>2009-04-29</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecur
ityShares><value>428</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>428</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options (Granted 01/23/2000)</value></securityTitle><conversionOrExercisePrice><value>19.26</value></conversionOrExercisePrice><exerciseDate><value>2001-01-24</value></exerciseDate><expirationDate><value>2010-01-23</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1204</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1204</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndir
ectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options (Granted 01/22/2001)</value></securityTitle><conversionOrExercisePrice><value>19.68</value></conversionOrExercisePrice><exerciseDate><value>2002-01-23</value></exerciseDate><expirationDate><value>2011-01-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1092</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1092</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options (Granted 01/20/2002)</value></securityTitle><conversionOrExercisePrice><value>24.4</value></conversionOrExerciseP
rice><exerciseDate><value>2003-01-21</value></exerciseDate><expirationDate><value>2012-01-20</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>950</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>950</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options (Granted 01/20/2003)</value></securityTitle><conversionOrExercisePrice><value>25.93</value></conversionOrExercisePrice><exerciseDate><value>2004-01-21</value></exerciseDate><expirationDate><value>2013-01-20</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>2140</value></und
erlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2140</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Represents change in exercise price and number of shares obtainable upon exercise due to a 5% stock dividend on 05/30/2003.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Robert B. Wiley</signatureName><signatureDate>2003-08-06</signatureDate></ownerSignature></ownershipDocument>

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