4. Royal Caribbean International’s Adventure of the Seas 7 Night Southern Caribbean Cruise
You’ll set sail from San Juan, Puerto Rico, before visiting Philipsburg, Basseterre, Antigua, St. Lucia and Bridgetown. Along the way, sightsee and take city tours, or participate in water sports, like snorkeling and kayaking. While cruising the sea, enjoy the Vitality Spa, with your choice of over 100 treatments. After a relaxing day at the spa, reinvigorate your senses in the fitness center, where you can take a yoga class. Catch a flick, as you night-swim during the poolside movie.