EXHIBIT 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

         In connection with the Annual Report of Terremark Worldwide, Inc. (the
"Company") on Form 10-K for the period ending March 31, 2003, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Manuel
D. Medina, Chief Executive Officer of the Company, certify, pursuant to 18
U.S.C. ss.1350, as adopted pursuant to ss.906 of the Sarbanes-Oxley Act of 2002,
that:

         (1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

         (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and result of operations of the
Company.


Dated:  June 14, 2004



                                                         /s/ MANUEL D. MEDINA
                                                         -----------------------
                                                         Manuel D. Medina
                                                         Chief Executive Officer