Gravity Fitness and Tennis, located in Hailey, Idaho, has received a mix of reviews highlighting its clean facilities, friendly staff, and modern equipment. While many patrons appreciate the gym's spaciousness and 24/7 access, some have expressed concerns about the lack of childcare services and occasional issues with staff interactions. Overall, the gym is well-regarded for its environment and amenities, but potential members may want to reach out for more specific information regarding classes and services.