No kids

Most trips to the Maldives, a tropical country south of India, concentrate on resorts dotting the sandy beaches of this string of atolls in the Indian Ocean. Explore, which specializes in small-group adventure travel, offers a variation on that with a seven-day cruise aboard a dhoni, a traditional sailpowered boat of the Maldives. There’s plenty of opportunity to go swimming and snorkeling along the beaches and coral reefs, and you can sample local culture during stops at small fishing villages. Depending on dates, pricing is from $1,600 per person, double occupancy, though sometimes there are specials. For an adults-only party