Bay Tennis & Fitness is a club-style fitness facility in Harbor Springs that combines fitness programming with a strong tennis focus. The club offers amenities designed for comfort and convenience, including full-service locker rooms, showers, complimentary bath and workout towels, flat-screens on cardio equipment, and a tennis viewing lounge. Its fitness program is shaped by experienced local leadership, including Margaret Tvedten, who spent 28 years operating and teaching at BODYFIRM Total Fitness in the Harbor Springs–Petoskey area, alongside instructors who emphasize movement quality, strength, injury prevention, and group fitness. Tennis is a core part of the business, with junior tennis clinics supporting structured skill development for younger players. Bay Tennis & Fitness also offers corporate discount programs and guest passes, serving regular members, visitors, and workplace wellness participants.