Exhibit 32
  

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, John M. Boushy, Chief Executive Officer and President of Ameristar Casinos, Inc. (the “Company”), certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

 1. the Annual Report on Form 10-K of the Company for the year ended December 31, 2007, as filed with the Securities and Exchange Commission (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: February 29, 2008	/s/ John M. Boushy  John M. Boushy
	Chief Executive Officer and President of Ameristar Casinos, Inc.

I, Thomas M. Steinbauer, Senior Vice President of Finance, Chief Financial Officer and Treasurer of Ameristar Casinos, Inc. (the “Company”), certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

 1. the Annual Report on Form 10-K of the Company for the year ended December 31, 2007, as filed with the Securities and Exchange Commission (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: February 29, 2008	/s/ Thomas M. Steinbauer Thomas M. Steinbauer
	Senior Vice President of Finance, Chief Financial Officer and Treasurer of Ameristar Casinos, Inc.

This certification accompanies the Report pursuant to §906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of §18 of the Securities Exchange Act of 1934, as amended.