Montego Bay

Dreamer Catamaran Cruises. Four catamarans, from 53 to 65 feet, take cruises ($83) that include a snorkel stop and visit to Margaritaville. Foot massages for women are followed by dance instruction for all. Children are allowed on only the morning and sunset cruises. Now offering a Montego Bay–to–Negril tour. Cornwall Beach, Gloucester Ave., Montego Bay, St. James. 876/979–0101; $83.

Ocho Rios

Five Star Watersports. Several sailing and partying options are available through this company's Cool Runnings catamaran cruises: romantic dinner sails, the Wet and Wild Cruise, and a popular trip to Dunn's River Falls. Boats run only on Sundays with a minimum number of bookings; check when making reservations. 121 Main St., Ocho Rios, St. Ann. 876/974–2446; 876/974–4593;

Port Antonio

With its long history of attracting an exclusive clientele, it's not surprising that Port Antonio is the island's top yacht port.

Errol Flynn Marina. This official national port of entry has 24-hour customs and immigration services. The 32-berth marina, reached via a deepwater channel, includes 24-hour security, an Internet center, swimming pool, laundry, and 100-ton boat lift—the only area facility that can handle vessels of 600 feet. Scuba diving and other water-sports attractions are also here. Ken Wright Dr., Port Antonio, Portland. 876/715–6044;