For desktop users, BookIt offers 5-Night Stays for Two at the All-Inclusive Grand Bahia Principe Coba
in Akumal, Mexico, with prices starting at $779.60
via coupon code "1X50", as provided by Dunhill Travel. (It's the top offer on the page; we found this rate on September 11.) Plus, kids 12 and under eat free
. At $156 per night, that's the lowest current rate we could find by $25. This 3-star hotel has an Expedia rating of 86% based on 1,044 reviews. Book this travel deal by June 28 for stays from September 1 through October 28.