EXHIBIT 32.1

CERTIFICATION PURSUANT
TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Manuel D. Medina, hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)	The accompanying Amendment No. 1 on Form 10-K/A for the fiscal year ended March 31, 2008 fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; and
(2)	The information contained in such report fairly presents, in all material respects, the financial condition and results of operations of Terremark Worldwide, Inc.

Date: July 29, 2008	/s/ Manuel D. Medina
	Chairman, President and Chief Executive Officer
	(Principal Executive Officer)