Centro Saturn Mergersub 10-Q Quarterly report

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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 Quarterly Report on Form 10-Q of Heritage Property Investment Trust, Inc. (the "Company") for the period ending June 30, 2006, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Thomas C. Prendergast, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that, to the best of 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 the results of operations of the Company.

/s/  THOMAS C. PRENDERGAST      Thomas C. Prendergast
Chairman, President and Chief Executive Officer

Dated: August 9, 2006

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Exhibit 32.1