EXHIBIT 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER OF

UNIVERSAL CITY DEVELOPMENT PARTNERS, LTD.

PURSUANT TO 18 U.S.C. SECTION 1350

In connection with the annual report of Universal City Development Partners, Ltd. (the “Company”) on Form 10-K for the period ending December 31, 2008 filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John R. Sprouls, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(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 results of operations of the Company.

Dated: March 20, 2009

By:

/s/ JOHN R. SPROULS

John R. Sprouls

President (Principal Executive Officer)


By:	/s/ JOHN R. SPROULS
	John R. Sprouls
	President (Principal Executive Officer)

UNIVERSAL CITY DEVELOPMENT PARTNERS LTD 10-K