Sundance is the only hot tub that features the medically effective Accu-Sage Therapy Seat in every model. When you sit in a Sundance Spa you can feel the quality. Sundance Spas include ergogenically designed massage systems which direct healing hydrotherapy to the exact area of the body where it's needed. Sundance's powerful jets deliver a soothing, professional hydrotherapeutic massage for the ultimate in relaxation and pain relief.