CheapCaribbean offers All-Inclusive Riu Dunamar 4-Night Flight and Hotel Vacation for two in Costa Mujeres, Mexico, with prices starting at $1,145.66 as seen on Travelzoo. That's the lowest price we could find by $151. This 4-star hotel is scheduled to open December 2017. Book this travel deal by November 16 for travel from December 2 through December 23. *