Marriott Rewards is offering members 5,000 bonus points for every third stay completed between Sept. 15 and Jan. 31, 2005 at a Marriott hotel when they pay with an American Express Card. Members can earn up to 25,000 bonus points.

Members must register online at http://www.marriottrewards.com or by calling 1-888-MARRIOTT (1-888-627-7468) during the promotional period.