サウナイン株式会社 News Releases

[Sauna Inn Niigata Myoko Kogen] Full opening of wood-burning sauna from April 9! Experience a 'Zen sauna' blending with grand nature on a day trip

Sauna Inn Co., Ltd. will open a new container-type 'wood-burning sauna' at its 'sauna9' facility in … · 2026-04-02

[Sauna Inn Niigata Myoko Kogen] Full opening of wood-burning sauna from April 9! Experience a 'Zen sauna' blending with grand nature on a day trip

Sauna Inn Co., Ltd. will open a new container-type 'wood-burning sauna' at its 'sauna9' facility in … · 2026-04-02

Fusion of Historical Breath and "Totono-i": NOTE Renovation & Design (NIPPONIA) and Sauna Inn Form Capital and Business Alliance

NOTE Renovation & Design (NIPPONIA) and Sauna Inn have formed a capital and business alliance. They … · 2026-05-02

[Sauna9 Myoko Kogen Niigata] Wood-Fired Sauna Fully Unlocked from April 9th! Experience Myoko Kogen's "Zen Sauna" Blending with Nature on a Day Trip

Sauna9 Co., Ltd. is grand opening a new container-type wood-fired sauna at its Myoko Kogen, Niigata … · 2026-04-02

Fusion of Historical Breath and "Totono-i": NOTE Renovation & Design (NIPPONIA) and Sauna Inn Form Capital and Business Alliance

NOTE Renovation & Design (NIPPONIA) and Sauna Inn have formed a capital and business alliance. They … · 2026-05-02