EXHIBIT 32

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

In connection with the filing of the Annual Report on Form 10-Q for the quarter ended June 30, 2009 (the “Report”) by Sonesta International Hotels Corporation (the “Company”), we, Peter J. Sonnabend, Stephanie Sonnabend and Boy van Riel, in our respective positions of Executive Chairman of the Board, CEO & President and Treasurer, hereby certify pursuant to 18 U.S.C. ss. 1350, that, to the best of our knowledge:

1. The Report fully complies with the requirements of Section 13(a) or Section 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.

Boston, August 12, 2009

By:  /s/ Peter J. Sonnabend                               

Name:  Peter J. Sonnabend

Title:  Executive Chairman of the Board

By:  /s/ Stephanie Sonnabend                         

Name:  Stephanie Sonnabend

Title:   Chief Executive Officer and President

By:  /s/ Boy van Riel                                          

Name:   Boy van Riel

Title:   Vice President and Treasurer