Starwood Hotel & Resorts Worldwide 10-K 2010 FY Annual report

Exhibit 32.1

Certification Pursuant to Section 1350 of Chapter 63
of Title 18 of the United States Code

     I, Frits van Paasschen, the Chief Executive Officer of Starwood Hotels & Resorts Worldwide, Inc. (“Starwood”), certify , pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that (i) the accompanying Form 10-K of Starwood for the year ended December 31, 2010 (the “Form 10-k”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and (ii) the information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of Starwood.

/s/ Frits van PaasschenFrits van Paasschen

Chief Executive Officer
Starwood Hotels & Resorts Worldwide, Inc.

February 17, 2011