The Sandcastle Motel is a budget-friendly hotel in Rehoboth Beach that offers a small gym for its guests. The gym features basic fitness equipment, including treadmills, stationary bikes, and free weights. Guests can enjoy a quick workout to stay active during their stay. The hotel also offers a seasonal outdoor pool for guests to relax and unwind. The Sandcastle Motel is located just a short walk from the beach and other popular attractions, making it a convenient choice for travelers looking for a gym hotel on a budget.