A high-temperature dry sauna set in an open space with a panoramic view of the Sea of Japan. The heat envelops your body in the atmospheric setting that utilizes the Taisho-era architecture of Ryuguden. In the spacious room, you can sweat thoroughly while listening to the sound of the waves.

The löyly sauna is adjacent to the 'Sea' area. The quality of the heat is gentle, and the steam spreads rapidly with the löyly, promoting deep sweating. In the compact space, you can intensely feel the heat and steam. The ability to choose between the high-temperature dry sauna and this one allows you to select the best way to achieve a state of perfect relaxation according to your condition and mood.

The mist sauna is adjacent to the 'Sky' area. With high humidity, the soft steam gently envelops your skin. The temperature is mild, allowing you to warm your body slowly, making it ideal for those who are not fond of high-temperature saunas or prefer a relaxation-focused experience. You can enjoy various sauna experiences by alternating with the dry sauna.

The dry sauna in the 'Sky' area offers a view of the sky from a serene space. It promotes thorough sweating at high temperatures, allowing you to reset your mind and body. Enveloped in the calm atmosphere of the Ryuguden, which retains the charm of Taisho-era architecture, you can immerse yourself in the heat. Beyond the sauna, there is a terrace with a stone garden where you can enjoy an outdoor air bath while feeling the natural breeze.