This sauna is located in the large bath, Soka no Yu, which operates on a men-and-women alternating schedule. It is a dry type in a mild temperature range, where you can enjoy sweating at a leisurely pace. From the large window inside the room, you can take in the beautiful scenery of the Seto Inland Sea, including its gentle waves and the many islands such as Shodoshima. While watching the colors of the sea change over time, you can turn inward and savor a deeply calm, relaxing time in this one-of-a-kind space.

A compact pot-style cold plunge bath installed in the open-air area. Fresh water is constantly poured in from a bamboo spout, gently cooling your body after a good sauna session and refreshing you comfortably. With a mild water temperature that lets you soak for longer, you can savor a luxurious cool-down experience, feeling the brisk sea breeze and enjoying the sweeping panoramic seascape right in front of you.