Boulevard Kukulcan, Km. 12.5 Hotel Zone, Cancun, Quintana Roo 77500, Mexico The Cancun Hotel Zone rests on a slit of land bound by a lagoon and the turquoise waters of the Caribbean Sea. Sun seekers crowd the white-sand beaches. At night, the action moves to the restaurants, clubs, and bars that line Boulevard Kukulcán, the area’s main artery.