Hotel Marvel is a gym hotel situated in Sunny Beach, Bulgaria. The hotel offers a well-equipped fitness center with a range of exercise machines and free weights. Guests can join fitness classes, such as yoga and pilates, organized by the hotel's professional trainers. After a workout, guests can relax in the hotel's spa, which offers various treatments and therapies. The hotel also features a rooftop swimming pool with panoramic views of the surrounding area. With its beachfront location, guests can easily combine their fitness routine with water sports activities like paddleboarding or jet skiing.