<SEC-DOCUMENT>0000899243-21-008766.txt : 20210301
<SEC-HEADER>0000899243-21-008766.hdr.sgml : 20210301
<ACCEPTANCE-DATETIME>20210301213348
ACCESSION NUMBER:		0000899243-21-008766
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210301
FILED AS OF DATE:		20210301
DATE AS OF CHANGE:		20210301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Clifton Michael S.
		CENTRAL INDEX KEY:			0001827853

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40140
		FILM NUMBER:		21700997

	MAIL ADDRESS:	
		STREET 1:		C/O SUPERNOVA PARTNERS ACQUISITION CO.
		STREET 2:		4520 DEXTER STREET, N.W.
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20007

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Supernova Partners Acquisition Co II, Ltd.
		CENTRAL INDEX KEY:			0001838359
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4301 50TH STREET, N.W.
		STREET 2:		SUITE 300, PMB 1044
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20007
		BUSINESS PHONE:		(202) 918-7050

	MAIL ADDRESS:	
		STREET 1:		4301 50TH STREET, N.W.
		STREET 2:		SUITE 300, PMB 1044
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20007
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-03-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001838359</issuerCik>
        <issuerName>Supernova Partners Acquisition Co II, Ltd.</issuerName>
        <issuerTradingSymbol>SNII</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001827853</rptOwnerCik>
            <rptOwnerName>Clifton Michael S.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SUPERNOVA PARTNERS ACQUISITION CO II</rptOwnerStreet1>
            <rptOwnerStreet2>4301 50TH STREET NW, SUITE 300 PMB 1044</rptOwnerStreet2>
            <rptOwnerCity>WASHINGTON</rptOwnerCity>
            <rptOwnerState>DC</rptOwnerState>
            <rptOwnerZipCode>20016</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Michael S. Clifton</signatureName>
        <signatureDate>2021-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
