U.S. News ranks 11 Best Cruises to Mexico based on an analysis of reviews beneath the stars and massages at the adults-only Sanctuary, Ruby Princess is a .
For travelers who want a hassle-free vacation, an adults-only all-inclusive cruise is the holy grail. No kids taking over the hot tub or whining at dinner, and no.
You can find a cruise in every category, including families, adventurers, foodies and luxury travelers. Now, a new trend has emerged: adult-only.