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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 OT9qiskule8I8oIgufjuiG5WW5HsqYl9J12lBuCD+wxXEx6anGW5hm/UDAlfk6Ph
 MdxQihom8eO3PNnroinqCQ==

<SEC-DOCUMENT>0001181431-10-009942.txt : 20100218
<SEC-HEADER>0001181431-10-009942.hdr.sgml : 20100218
<ACCEPTANCE-DATETIME>20100218105002
ACCESSION NUMBER:		0001181431-10-009942
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100208
FILED AS OF DATE:		20100218
DATE AS OF CHANGE:		20100218

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PNC Long-Short Master Fund LLC
		CENTRAL INDEX KEY:			0001339208
		IRS NUMBER:				432097065
		STATE OF INCORPORATION:			DE

	BUSINESS ADDRESS:	
		STREET 1:		2 HOPKINS PLAZA
		STREET 2:		11TH FL.
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21201
		BUSINESS PHONE:		800-239-0418

	MAIL ADDRESS:	
		STREET 1:		2 HOPKINS PLAZA
		STREET 2:		11TH FL.
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Mercantile Long-Short Manager Master Fund LLC
		DATE OF NAME CHANGE:	20050920

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NEARY ROBERT D
		CENTRAL INDEX KEY:			0001036424
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21818
		FILM NUMBER:		10615061

	MAIL ADDRESS:	
		STREET 1:		ZURN INDUSTRIES INC
		STREET 2:		ONE ZURN PLACE
		CITY:			ERIE
		STATE:			PA
		ZIP:			16505
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd265917.xml
<DESCRIPTION>PLSMF FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-02-08</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001339208</issuerCik>
        <issuerName>PNC Long-Short Master Fund LLC</issuerName>
        <issuerTradingSymbol>NONE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001036424</rptOwnerCik>
            <rptOwnerName>NEARY ROBERT D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TWO HOPKINS PLAZA - 4TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BALTIMORE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>none</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">No securities of the Issuer are beneficially owned by the reporting person.</footnote>
    </footnotes>

    <remarks>The reporting person was appointed as a Director of the Issuer on February 8, 2010.</remarks>

    <ownerSignature>
        <signatureName>/s/Robert D. Neary</signatureName>
        <signatureDate>2010-02-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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