100°C twin-stove! Authentic sauna in Koniya, Amami Oshima
Kagoshima Setouchi Town
Sauna＆Stay, located in Koniya, Setouchi Town in the southern part of Amami Oshima, is an accommodation for sauna lovers featuring a serious, dedicated sauna (day-use bathing is also available). The sauna room uses a twin-stove configuration with a HARVIA stone stove and a Bona stove, set to a high temperature around 100°C. You can enjoy both self-löyly and auto-löyly, delivering overwhelmingly intense heat. After a rapid cool-down in the deep cold plunge bath kept in the 15°C range, lie back on an infinity chair in the male-only rooftop outdoor cooling area and feel the sea and mountain breeze as you reach the perfect totonou (state of perfect relaxation).
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
An ultra-authentic sauna adopting a twin-stove setup: a HARVIA stone stove plus a Bona stove hidden under the seating and at the back. Room temperature is around 100°C. The HARVIA allows self-löyly, and the Bona sauna provides automatic löyly every 30 minutes. You can enjoy intense heat pressure and a perfectly balanced humidity setting.
Water QualityTap Water
Capacity3people
A clean cold plunge bath located right next to the sauna room with continuous bottom circulation. Depth is ample, from 80cm to 110cm. After heating up in the ultra-hot 100°C sauna, it is the perfect oasis for a rapid cool-down.
Closed Days: None
Japan, 〒894-1504 Kagoshima, Oshima District, Setouchi, Koniya, Kasuga−３−１３
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more
100°C twin-stove! Authentic sauna in Koniya, Amami Oshima
Kagoshima Setouchi Town
Sauna＆Stay, located in Koniya, Setouchi Town in the southern part of Amami Oshima, is an accommodation for sauna lovers featuring a serious, dedicated sauna (day-use bathing is also available). The sauna room uses a twin-stove configuration with a HARVIA stone stove and a Bona stove, set to a high temperature around 100°C. You can enjoy both self-löyly and auto-löyly, delivering overwhelmingly intense heat. After a rapid cool-down in the deep cold plunge bath kept in the 15°C range, lie back on an infinity chair in the male-only rooftop outdoor cooling area and feel the sea and mountain breeze as you reach the perfect totonou (state of perfect relaxation).
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
An ultra-authentic sauna adopting a twin-stove setup: a HARVIA stone stove plus a Bona stove hidden under the seating and at the back. Room temperature is around 100°C. The HARVIA allows self-löyly, and the Bona sauna provides automatic löyly every 30 minutes. You can enjoy intense heat pressure and a perfectly balanced humidity setting.
Water QualityTap Water
Capacity3people
A clean cold plunge bath located right next to the sauna room with continuous bottom circulation. Depth is ample, from 80cm to 110cm. After heating up in the ultra-hot 100°C sauna, it is the perfect oasis for a rapid cool-down.
Closed Days: None
Japan, 〒894-1504 Kagoshima, Oshima District, Setouchi, Koniya, Kasuga−３−１３
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more