<SUBMISSION>
<ACCESSION-NUMBER>0000904454-06-000003
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20060103
<FILING-DATE>20060105
<DATE-OF-FILING-DATE-CHANGE>20060105
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Sachar Laura B
<CIK>0001346327
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-51285
<FILM-NUMBER>06511342
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>212-863-2540
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O STARVEST ASSOCIATES LLC
<STREET2>750 LEXINGTON AVENUE, 15TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>A21 INC
<CIK>0001074436
<ASSIGNED-SIC>7389
<IRS-NUMBER>742896910
<STATE-OF-INCORPORATION>TX
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>A21, INC.
<STREET2>7660 CENTURION PARKWAY
<CITY>JACKSONVILLE
<STATE>FL
<ZIP>32256
<PHONE>9045650066
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>7660 CENTURION PARKWAY
<CITY>JACKSONVILLE
<STATE>FL
<ZIP>32256
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-03</periodOfReport>

    <issuer>
        <issuerCik>0001074436</issuerCik>
        <issuerName>A21 INC</issuerName>
        <issuerTradingSymbol>ATWO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001346327</rptOwnerCik>
            <rptOwnerName>Sachar Laura B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STARVEST MANAGEMENT INC.</rptOwnerStreet1>
            <rptOwnerStreet2>750 LEXINGTON AVENUE, 15TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-01-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.36</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12500000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By StarVest Partners, L.P.</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">By StarVest Partners, L.P.  The reporting person is one of several managing members of the sole general partner of StarVest Partners, L.P.  Pursuant to Instruction 4(b)(iv) of Form 4, the reporting person has elected to report as indirectly beneficially owned the entire number of securities beneficially owned by such limited partnership.  The reporting person disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein, and/or that are not actually distributed to him or her.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Laura B. Sachar</signatureName>
        <signatureDate>2006-01-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
