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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,
 ShGKiCb1sXf/Li08CO7F6UbC5GPh8Vs9Q1xFyrQtB0g1lkhJ1BW7uWMF9JS/i7BY
 67UHSUs913AIKXRe21Q1UQ==

<SEC-DOCUMENT>0001209191-03-014098.txt : 20030729
<SEC-HEADER>0001209191-03-014098.hdr.sgml : 20030729
<ACCEPTANCE-DATETIME>20030729082954
ACCESSION NUMBER:		0001209191-03-014098
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030724
FILED AS OF DATE:		20030729

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROSE JOHN W
		CENTRAL INDEX KEY:			0001091449
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08144
		FILM NUMBER:		03807167

	BUSINESS ADDRESS:	
		STREET 1:		13245 ATLANTIC BLVD SUITE 5
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32225
		BUSINESS PHONE:		9042203001

	MAIL ADDRESS:	
		STREET 1:		13245 ATLANTIC BLVD SUITE 5
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32225
</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>2003-07-24</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000037808</issuerCik><issuerName>FNB CORP/FL/</issuerName>        <issuerTradingSymbol>FBAN</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001091449</rptOwnerCik><rptOwnerName>ROSE JOHN W</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>ONE F.N.B. BOULEVARD</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>HERMITAGE</rptOwnerCity><rptOwnerState>PA</rptOwnerState><rptOwnerZipCode>16148</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 Stock</value></securityTitle><transactionDate><value>2003-07-24</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>10600</value></transactionShares><transactionPricePerShare><value>30.44</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>83813</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-25</value></transactionDate><transactionCoding><transactionF
ormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>5700</value></transactionShares><transactionPricePerShare><value>30.61</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>89513</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ John W. Rose</signatureName><signatureDate>2003-07-29</signatureDate></ownerSignature></ownershipDocument>

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