What makes this place unique? Our studio is in the heart of uptown Sister Bay, WI. We provide quality personal training, small group training & fitness classes . Fitness can be intimidating, but here at Door County Fitness Studio, we make fitness FUN! We create customized workouts that are challenging for any level! Creative. Inspiring. Ageless. What can first time customers expect by attending? We offer a diverse line-up of fitness classes designed for all levels. Our instructors carefully craft each workout to include exercise modification