Marriott International opened the doors of its first all-inclusive resort, the Marriott Cancun, An All-Inclusive Resort, in the Quintana Roo region of Mexico. Nestled along the turquoise waters of the Gulf of Mexico in the heart of Cancun's Hotel Zone, the opening of Marriott Cancun, An All-Inclusive Resort marks the first-ever all-inclusive resort fully conceptualized by the Marriott brand.