SEINA has 3 treatment rooms, including rooms for couples. Services include facials, body treatments and manicures and pedicures. A variety of treatment therapies are provided, including hydrotherapy. The spa is equipped with a hot tub. The spa is open daily.
Public bath/onsen services include an indoor mineral hot spring (onsen) and yukata (Japanese robe). These services feature separate men's and women's areas. There are hot springs on site.