Members of Marriott Bonvoy, will be able to earn and redeem points for stays at all MGM Collection with Marriott Bonvoy properties. Members of MGM Rewards, will be eligible to link accounts with Marriott Bonvoy and receive select member benefits. Typically my trip is right at the time it switches over so I’ll probably miss out. So if you are planning on staying in Vegas after that date and want the Marriott Rewards you may want to book a refundable rate in the meantime or wait altogether before booking if your trip is a long way off. These resorts will continue to be available on MGM Resorts’ channels, including and the MGM Resorts mobile app. Beginning in October, several MGM resorts will be available for booking on Marriott’s digital platforms, including and the Marriott Bonvoy mobile app, with all properties expected to be available by the end of the year. Marriott and MGM Resorts International announced today a long-term licensing agreement and the creation of MGM Collection with Marriott Bonvoy, which will launch in October 2023, and encompass 17 of MGM’s in Las Vegas and other cities across the U.S. I speculated at the time that MGM may do something with Marriott, given their purchase of the Cosmopolitan. I recently wrote about the partnership between Hyatt and MGM (including the status match) coming to an end. MGM hotels announce Marriott Partnership.