Ultimate relaxation with an approximately 8-million-year-old fossil seawater hot spring and authentic saunas
Okinawa Naha City
Located on the 2nd floor of Loisir Spa Tower Naha, this is one of the few natural hot spring facilities in Okinawa. The fossil seawater hot spring, originating about 8 million years ago and gushing from 800 meters underground, is rich in salt and has excellent heat retention, leaving you feeling warm to your core after bathing. The saunas include an 85°C dry sauna in the men's bathing area for a solid sweat and a skin-friendly mist sauna in the women's area. The facility also offers a cold plunge bath and spacious outdoor baths, allowing you to enjoy high-quality contrast bathing. With the refined atmosphere and comprehensive amenities typical of a hotel spa, you can enjoy an elevated refreshment experience.
TypeNatural Hot Spring
A self-flowing iodine-containing sodium chloride spring that wells up from 800 meters underground. Unlike the volcanic hot springs on the Japanese mainland, this spring originates from ancient seawater and is characterized by its high salt content, offering excellent heat retention and moisturizing properties.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
A dry sauna located in the men's bathing area. You can work up a solid sweat while feeling the intense heat, helping to thoroughly reset daily fatigue and stress.
Sauna TypeSteam Sauna
Capacity5people
A mist sauna in the women's bathing area filled with steam. It avoids the oppressive heat of high-temperature saunas and promotes sweating while gently moisturizing and caring for the skin, making it a beauty-friendly option.
Water QualityTap Water
Capacity3people
A cold plunge bath that gently cools the body after a sauna. Placing it between the hot spring and the sauna promotes whole-body circulation and brings deep relaxation.
Closed Days: None
2-23-26 Nishi, Naha, Okinawa 900-0036, Japan
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
Ultimate relaxation with an approximately 8-million-year-old fossil seawater hot spring and authentic saunas
Okinawa Naha City
Located on the 2nd floor of Loisir Spa Tower Naha, this is one of the few natural hot spring facilities in Okinawa. The fossil seawater hot spring, originating about 8 million years ago and gushing from 800 meters underground, is rich in salt and has excellent heat retention, leaving you feeling warm to your core after bathing. The saunas include an 85°C dry sauna in the men's bathing area for a solid sweat and a skin-friendly mist sauna in the women's area. The facility also offers a cold plunge bath and spacious outdoor baths, allowing you to enjoy high-quality contrast bathing. With the refined atmosphere and comprehensive amenities typical of a hotel spa, you can enjoy an elevated refreshment experience.
TypeNatural Hot Spring
A self-flowing iodine-containing sodium chloride spring that wells up from 800 meters underground. Unlike the volcanic hot springs on the Japanese mainland, this spring originates from ancient seawater and is characterized by its high salt content, offering excellent heat retention and moisturizing properties.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
A dry sauna located in the men's bathing area. You can work up a solid sweat while feeling the intense heat, helping to thoroughly reset daily fatigue and stress.
Sauna TypeSteam Sauna
Capacity5people
A mist sauna in the women's bathing area filled with steam. It avoids the oppressive heat of high-temperature saunas and promotes sweating while gently moisturizing and caring for the skin, making it a beauty-friendly option.
Water QualityTap Water
Capacity3people
A cold plunge bath that gently cools the body after a sauna. Placing it between the hot spring and the sauna promotes whole-body circulation and brings deep relaxation.
Closed Days: None
2-23-26 Nishi, Naha, Okinawa 900-0036, Japan
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