The St. Regis Costa Mujeres Resort is a 163-key beachfront resort in the Costa Mujeres enclave north of Cancún, Mexico, developed by AB Living under Marriott International and designed by Mexico City architecture firm Sordo Madaleno, open since June 2026.
Fronting white-sand beaches, protected mangroves and the Mesoamerican Barrier Reef, the resort offers nine dining venues, multiple pools, a beach club and a spa drawing on Maya heritage, all delivered with signature St. Regis Butler Service. A collection of St. Regis branded residences complements the resort within the master plan.
St. Regis Costa Mujeres opened to guests Jun 25, 2026; 163 rooms & suites; Costa Mujeres, north of Cancún.
oftmw.comReservations opened ~May 2026 ahead of the June 25 opening (hotel bookings).
thepointsguy.comMarriott/AB Living announce St. Regis Costa Mujeres (original reveal, Nov 2022).
prnewswire.comLooking back at The St. Regis Costa Mujeres Resort, Cancún
Opened on Jun 25, 2026, 3.5 years after it was announced. 3 milestones on record. Compare it with similar projects from every development in our database.
Companies and contacts
Every firm on The St. Regis Costa Mujeres Resort, Cancún, the office nearest it, and the people who work on it.
Cancún · Jun 26The St. Regis Costa Mujeres Resort, Cancún opens in the Mexican CaribbeanFrequently asked
Where is The St. Regis Costa Mujeres Resort, Cancún located?
The St. Regis Costa Mujeres Resort, Cancún is located in Cancún.
Is The St. Regis Costa Mujeres Resort, Cancún open?
The St. Regis Costa Mujeres Resort, Cancún is now open. It was completed on June 25, 2026.
Who is developing The St. Regis Costa Mujeres Resort, Cancún?
Marriott International, St. Regis is the developer behind The St. Regis Costa Mujeres Resort, Cancún.
Who designed The St. Regis Costa Mujeres Resort, Cancún?
The St. Regis Costa Mujeres Resort, Cancún was designed by Sordo Madaleno & More.
How big is The St. Regis Costa Mujeres Resort, Cancún?
The St. Regis Costa Mujeres Resort, Cancún features 163 hotel keys.