What happened
The St. Regis Costa Mujeres Resort, Cancun, has officially opened as of June 25, 2026. The beachfront property is located in Costa Mujeres, north of Cancun's Hotel Zone. It features 163 rooms and suites, with base rooms starting at 538 square feet. Cash rates for deluxe rooms start at $698 for prepaid stays. Award rates begin at 102,000 Marriott Bonvoy points per night, with the stay-for-five, pay-for-four perk applying. The resort also offers Amex Fine Hotels + Resorts benefits including daily breakfast and a $100 credit