<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-04-05</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000912890</issuerCik>
        <issuerName>TERREMARK WORLDWIDE INC.</issuerName>
        <issuerTradingSymbol>TMRK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001389684</rptOwnerCik>
            <rptOwnerName>CYRTE INVESTMENTS BV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>FLEVOLAAN 41A</rptOwnerStreet1>
            <rptOwnerStreet2>411 KC NAARDEN P.O. BOX 5081</rptOwnerStreet2>
            <rptOwnerCity>NAARDEN</rptOwnerCity>
            <rptOwnerState>P7</rptOwnerState>
            <rptOwnerZipCode>1401 AB</rptOwnerZipCode>
            <rptOwnerStateDescription>NETHERLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001140022</rptOwnerCik>
            <rptOwnerName>AVIVA PLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ST HELENS</rptOwnerStreet1>
            <rptOwnerStreet2>1 UNDERSHAFT</rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>EC3P 3DQ</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001414662</rptOwnerCik>
            <rptOwnerName>Aviva Group Holdings LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ST. HELEN'S</rptOwnerStreet1>
            <rptOwnerStreet2>1 UNDERSHAFT</rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>EC3P 3DQ</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001414664</rptOwnerCik>
            <rptOwnerName>Aviva International Insurance LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ST. HELEN'S</rptOwnerStreet1>
            <rptOwnerStreet2>1 UNDERSHAFT</rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>EC3P 3DQ</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001414665</rptOwnerCik>
            <rptOwnerName>Aviva Insurance LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PITHEAVLIS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PERTH</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>PH2 0NH</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001414666</rptOwnerCik>
            <rptOwnerName>Aviva International Holdings LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ST. HELEN'S</rptOwnerStreet1>
            <rptOwnerStreet2>1 UNDERSHAFT</rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>EC3P 3DQ</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001414671</rptOwnerCik>
            <rptOwnerName>CGU International Holdings B.V.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ST. HELEN'S</rptOwnerStreet1>
            <rptOwnerStreet2>1 UNDERSHAFT</rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>EC3P 3DQ</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001145935</rptOwnerCik>
            <rptOwnerName>DELTA LLOYD NV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>AMSTELPLEIN 6</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>AMSTERDAM</rptOwnerCity>
            <rptOwnerState>P7</rptOwnerState>
            <rptOwnerZipCode>1096 BC</rptOwnerZipCode>
            <rptOwnerStateDescription>NETHERLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001389683</rptOwnerCik>
            <rptOwnerName>CYRTE INVESTMENTS GP I BV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>FLEVOLAAN 41A</rptOwnerStreet1>
            <rptOwnerStreet2>411 KC NAARDEN P.O. BOX 5081</rptOwnerStreet2>
            <rptOwnerCity>NAARDEN</rptOwnerCity>
            <rptOwnerState>P7</rptOwnerState>
            <rptOwnerZipCode>1401 AB</rptOwnerZipCode>
            <rptOwnerStateDescription>NETHERLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001389682</rptOwnerCik>
            <rptOwnerName>CF I INVEST CV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>FLEVOLAAN 41A</rptOwnerStreet1>
            <rptOwnerStreet2>411 KC NAARDEN P.O. BOX 5081</rptOwnerStreet2>
            <rptOwnerCity>NAARDEN</rptOwnerCity>
            <rptOwnerState>P7</rptOwnerState>
            <rptOwnerZipCode>1401 AB</rptOwnerZipCode>
            <rptOwnerStateDescription>NETHERLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2011-04-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10074845</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Cyrte Investments GP I B.V. directly owned 10.074.845 shares of the common stock, par value $0.001 per share, of Terremark Worldwide, Inc. (the &quot;Shares&quot;). None of Aviva plc. Aviva Group Holdings Limited, Aviva International Insurance Limited, Aviva Insurance Limited, Aviva International Holdings Limited and CGU Holdings International B.V. (together, the &quot;Aviva Reporting Persons&quot;), Delta Lloyd N.V., Cyrte Investments B.V. or CF I Invest C.V. directly owned any Shares.</footnote>
        <footnote id="F2">However, each Aviva Reporting Person and each of Delta Lloyd N.V., Cyrte Investments B.V. and CF I Invest C.V. may be deemed to have been a beneficial owner, as well as have shared the power to vote and dispose, of such Shares directly owned by Cyrte Investments GP I B.V. by virtue of the following:</footnote>
        <footnote id="F3">Aviva plc owns all of the outstanding share capital of Aviva Group Holdings Limited. Aviva Group Holdings Limited owns all of the outstanding share capital of Aviva International Insurance Limited. Aviva International Insurance Limited owns all of the outstanding share capital of Aviva Insurance Limited. Aviva Insurance Limited owns all of the outstanding share capital of Aviva International Holdings Limited. Aviva International Holdings Limited owns all of the outstanding share capital of CGU International Holdings B.V. CGU International Holdings B.V. owns 53.9% of the outstanding share capital of Delta Lloyd N.V. Delta Lloyd N.V. owns 85% of the share capital of Cyrte Investments B.V. Cyrte Investments B.V. is the manager of the investment portfolio held by CF I Invest C.V. and owner of all of the outstanding capital stock of Cyrte Investments GP I B.V. Cyrte Investments GP I B.V. is the general partner of CF I Invest C.V.</footnote>
        <footnote id="F4">Each Aviva Reporting Person and each of Delta Lloyd N.V., Cyrte Investments B.V. and CF I Invest C.V. disclaims beneficial ownership of such Shares except to the extent of its pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Anneke Westbroek, power of attorney for Cyrte Investments B.V.</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Neil Harrison, power of attorney for Aviva plc</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Neil Harrison, power of attorney for Aviva Group Holdings Limited</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Neil Harrison, power of attorney for Aviva International Insurance Limited</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Neil Harrison, power of attorney for Aviva Insurance Limited</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Neil Harrison, power of attorney for Aviva International Holdings Limited</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Neil Harrison, power of attorney for CGU International Holdings B.V.</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>H. P. Laoh, power of attorney for Delta Lloyd N.V.</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Anneke Westbroek, power of attorney for Cyrte Investments GP I B.V.</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Anneke Westbroek, power of attorney for CF I Invest C.V.</signatureName>
        <signatureDate>2011-04-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
