St. Thomas and St. Martin are two of the Caribbean destinations most visited by cruise ships and integral to dozens of cruise itineraries. Each draws more than 1.6 million cruisers per year.

Saturday 10 a.m. 4) PRIME BEACH Few experiences are as uniquely St. Martin as a stroll down the beach at Orient Bay, known for its pulsing beach bars at one end and a naturist resort at the other.