Hidden Beach Resort, the only 5 star adults-only nudist resort in Mexico. With 43 beachfront suites only one hour and a half south of the Cancun Airport. Caribbean Nudist and Clothing Optional Resorts. Many nude resorts in the Caribbean stress that they are family friendly or cater to Adults (21 and older) only. Best All-Inclusive Nude Beach Resorts. Couples-only topless-optional resort with a slightly naughty but it’s still an adult version of the toga party.