MIZU ONSEN SPA has massage/treatment rooms and couples treatment room(s). Services include deep-tissue massages, hot stone massages, facials, and body wraps. A variety of treatment therapies are provided, including hydrotherapy and reflexology. The spa is equipped with a sauna, a spa tub, and a steam room. The spa is open daily. Guests under 18 years old are not allowed in the spa. There are hot springs/mineral springs on site.