JW Marriott Phuket Resort & Spa is a top-rated gym hotel in Phuket. It offers a well-equipped fitness center with a wide range of exercise machines and free weights. The hotel also provides personal trainers and offers various fitness classes, including yoga and aerobics. Guests can enjoy the hotel's beautiful swimming pools, luxurious spa, and multiple dining options. The rooms at JW Marriott Phuket Resort & Spa are spacious and elegantly designed, providing a comfortable and relaxing stay for guests.