Bring your island fantasies—and your checkbook—to these sumptuous lodgings! Villa Horizon, a seaside luxury home on the Andaman Sea, hides within an emerald-green jungle on Phuket’s western coast. Visitors enjoy traditional Thai decor set against a backdrop of aquatic stillness. Dine outdoors under the open pagoda or visit the spa room after a workout in the private gym. No boisterous partying, though. Serenity rules the day in this island home. Rentals from $4,965 per night.