A furniture-grade sauna co-developed by Maruni and ONE SAUNA, combining design excellence with advanced functionality.

Where can I experience it?

At Sosuikyo, a luxury detached villa resort in Kumano, Mie Prefecture, available from July 4, 2026.

What are the features of kupu sauna?

Half-dome design for soft steam circulation and patented IoT system for safety, comfort, and energy efficiency.

How do the sauna experiences differ by room?

‘Kikoku’ uses domestic cedar for warmth; ‘Sekirou’ features local stone and cold bath for a powerful experience.

When can I make a reservation?

Reservations for stays from July 4, 2026 are now open via the official website.

AI News NQ Analysis

Maruni Wood Industry × ONE SAUNA Co-Develop Premium Furniture-Grade Sauna 'kupu sauna' — World's First Installation at Sosuikyo, Mie Prefecture

Key facts

Maruni Wood Industry × ONE SAUNA Co-Develop Premium Furniture-Grade Sauna 'kupu sauna' — World's First Installation at Sosuikyo, Mie Prefecture
The furniture-grade sauna 'kupu sauna,' co-developed by Maruni Wood Industry and ONE SAUNA, will be introduced for the first time globally at Sosuikyo, a luxury detached villa resort operated by Aquaignis in Mie Prefecture. Featuring distinct sauna experiences themed around wood and stone, reservations are open from July 4, 2026.
Source: PR TIMES
Date: Tue Jun 16 2026 19:00:03 GMT+0900 (Japan Standard Time)

Direct answer

The furniture-grade sauna 'kupu sauna,' co-developed by Maruni Wood Industry and ONE SAUNA, will be introduced for the first time globally at Sosuikyo, a luxury detached villa resort operated by Aquaignis in Mie Prefecture. Featuring distinct sauna experiences themed around wood and stone, reservations are open from July 4, 2026.

Citation: Maruni Wood Industry × ONE SAUNA Co-Develop Premium Furniture-Grade Sauna 'kupu sauna' — World's First Installation at Sosuikyo, Mie Prefecture (Tue Jun 16 2026 19:00:03 GMT+0900 (Japan Standard Time)), PR TIMES
Source: PR TIMES
Date: Tue Jun 16 2026 19:00:03 GMT+0900 (Japan Standard Time)

AI Summary (NQ-processed)

The furniture-grade sauna 'kupu sauna,' co-developed by Maruni Wood Industry and ONE SAUNA, will be introduced for the first time globally at Sosuikyo, a luxury detached villa resort operated by Aquaignis in Mie Prefecture. Featuring distinct sauna experiences themed around wood and stone, reservations are open from July 4, 2026.

AI Analysis

Frequently Asked Questions

Q: What is kupu sauna?: A: A furniture-grade sauna co-developed by Maruni and ONE SAUNA, combining design excellence with advanced functionality.
Q: Where can I experience it?: A: At Sosuikyo, a luxury detached villa resort in Kumano, Mie Prefecture, available from July 4, 2026.
Q: What are the features of kupu sauna?: A: Half-dome design for soft steam circulation and patented IoT system for safety, comfort, and energy efficiency.
Q: How do the sauna experiences differ by room?: A: ‘Kikoku’ uses domestic cedar for warmth; ‘Sekirou’ features local stone and cold bath for a powerful experience.
Q: When can I make a reservation?: A: Reservations for stays from July 4, 2026 are now open via the official website.