Mar 31, 2017. These are the sexiest All-Inclusive, Adults Only Resorts in Cancun and Playa del Carmen. Ditch the kids, ditch the bikini top and get sexy. Whether you are looking to canoodle on Bali-beds surrounded by white sand, take advantage of bottomless margaritas from the swim-up bar or dance the night away. Even if you know nothing about the game, you can still enjoy sitting outside on a summer…