BookIt offers 5-Night Stays for Two at the All-Inclusive Luxury Bahia Principe Sian Kaan in Cancun, Mexico, with prices starting at $1,076.52 via coupon code "SAVE50", as provided by Dunhill Travel. (It's the top offer on the page; we found this rate on October 8.) At $215 per night, that's the lowest price we could find by $60. This 4-star hotel has an Expedia rating of 90% based on 533 reviews and TripAdvisor ranks it #5 out of 23 hotels in Akumal. Additional fees and blackout dates may apply. Book this travel deal by June 27 for stays August 20 through December 20.