The Fairmont Mayakoba in the Riviera Maya, Mexico gives you every 3rd night free PLUS daily breakfast buffet for two per room through December 19, 2018.  Your rate also includes a bird watching tour, bike rentals, tennis and paddle courts with free use of racket and balls, guided catamaran tours, non-motorized watersports (including kayaks, standup paddle boards and boogie boards), internet, valet parking and more.  Children up to age 5 also eat for free.  Some black-out dates apply including December 21, 2017 to January 6, 2017; April 24-25, 2018 and May 10-15, 2018.