1. The Sanctuary at Kiawah Island Golf Resort
The fitness center features an indoor swimming pool, resistance-training equipment and cardiovascular machines with personal TV screens. Group exercise classes range from Pilates to yoga to weight training. The resort’s two tennis centers each offer 12 courts and a variety of programs and clinics.
2. Park Hyatt New York
The Park Hyatt’s 24-hour, 1,845-square-foot fitness center has cardio machines and weight-training equipment. Guests can work out while looking out over Central Park or the area that houses the hotel pool.