Bookings must be made by Sunday, Sept. 14, for travel between Sept. 15 and Nov. 30, with a limited allotment of rooms sold first come, first served. Marriott Bonvoy members get 20% off the Standard Rate and non‑members get 15%, with some members seeing 25% offers in the app or via targeted links. The promotion covers participating hotels across the Americas, Europe, the Middle East, Africa and parts of Asia‑Pacific, excluding Greater China. Premium brands such as St. Regis, The Ritz‑Carlton, Edition and Bulgari are not included, and in Asia‑Pacific some JW Marriott, W Hotels and Luxury Collection properties are also excluded; Sonder and Homes & Villas are not part of this sale. Rates must be prepaid, cannot be changed or canceled, require at least five days’ advance booking in most regions, and member‑rate bookings must be made through Marriott channels to earn Bonvoy points.