JW Marriott Hotel Bangkok is a luxury hotel situated in the heart of Sukhumvit, Bangkok. The hotel boasts a state-of-the-art fitness center with modern gym equipment, allowing guests to maintain their fitness routine during their stay. The hotel also features a rooftop swimming pool and a spa, providing a perfect place to relax and unwind after a workout. The rooms are spacious and elegantly designed, offering a comfortable and luxurious stay for guests. With its central location and excellent fitness amenities, JW Marriott Hotel Bangkok is an excellent choice for travelers looking for a gym hotel in Sukhumvit.