A men-only spa floating in the sky above Kinshicho, with kuroyu and authentic löyly
Tokyo Sumida City
"Rakutenchi Spa" is a men-only spa and sauna on the 9th floor of the Rakutenchi Building, directly connected to JR Kinshicho Station, and open 24 hours a day. The amber-colored kuroyu that springs from 650 m underground is a natural hot spring renowned for one of the finest water qualities in Tokyo. The sauna’s signature attraction is the authentic löyly service performed by staff every hour from 11:00 to 25:00, with powerful waves of heat fanned out with towels for an incredibly invigorating experience. There is also a steam sauna filled with the aroma of yomogi, a crisp cold plunge bath, and a high-concentration carbonated spring. With a panoramic restaurant and a work space as well, it offers the perfect place to refresh yourself in the middle of the city.
TypeNatural Hot Spring
A sodium chloride cold mineral spring, known as kuroyu, that gushes from 650 m underground. Also called the "hot water of warmth," it has excellent heat-retaining effects and is effective in relieving neuralgia, muscle pain, and joint pain. You can forget the noise of the city and slowly enjoy the rich feel of the water.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity20people
An authentic dry sauna with staff löyly service performed every hour on the hour from 11:00 to 25:00. The powerful waves of heat created by fanning aromatic steam with bath towels are a signature attraction of Rakutenchi Spa. In the spacious room, you can enjoy intense heat and a deeply refreshing sweat experience.
Sauna TypeSteam Sauna
Capacity8people
A moist steam sauna with a pleasant yomogi aroma drifting through it. It is easy to enter even for those who do not like high-temperature saunas, and by taking in the herbal ingredients through your breathing, you can warm up gradually from deep within the body and enjoy a profound sense of relaxation.
Water QualityTap Water
Capacity5people
A cold plunge bath set to a brisk temperature of around 15°C. It instantly cools down your body after sauna use and tightens the blood vessels, helping prepare you for totonou. The clean tub allows for a refreshing cooldown.
24 Hours
Closed Days: Unknown
4-27-14 Kotobashi, Sumida-ku, Tokyo 130-0022
Gender Access
Male Only
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
A men-only spa floating in the sky above Kinshicho, with kuroyu and authentic löyly
Tokyo Sumida City
"Rakutenchi Spa" is a men-only spa and sauna on the 9th floor of the Rakutenchi Building, directly connected to JR Kinshicho Station, and open 24 hours a day. The amber-colored kuroyu that springs from 650 m underground is a natural hot spring renowned for one of the finest water qualities in Tokyo. The sauna’s signature attraction is the authentic löyly service performed by staff every hour from 11:00 to 25:00, with powerful waves of heat fanned out with towels for an incredibly invigorating experience. There is also a steam sauna filled with the aroma of yomogi, a crisp cold plunge bath, and a high-concentration carbonated spring. With a panoramic restaurant and a work space as well, it offers the perfect place to refresh yourself in the middle of the city.
TypeNatural Hot Spring
A sodium chloride cold mineral spring, known as kuroyu, that gushes from 650 m underground. Also called the "hot water of warmth," it has excellent heat-retaining effects and is effective in relieving neuralgia, muscle pain, and joint pain. You can forget the noise of the city and slowly enjoy the rich feel of the water.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity20people
An authentic dry sauna with staff löyly service performed every hour on the hour from 11:00 to 25:00. The powerful waves of heat created by fanning aromatic steam with bath towels are a signature attraction of Rakutenchi Spa. In the spacious room, you can enjoy intense heat and a deeply refreshing sweat experience.
Sauna TypeSteam Sauna
Capacity8people
A moist steam sauna with a pleasant yomogi aroma drifting through it. It is easy to enter even for those who do not like high-temperature saunas, and by taking in the herbal ingredients through your breathing, you can warm up gradually from deep within the body and enjoy a profound sense of relaxation.
Water QualityTap Water
Capacity5people
A cold plunge bath set to a brisk temperature of around 15°C. It instantly cools down your body after sauna use and tightens the blood vessels, helping prepare you for totonou. The clean tub allows for a refreshing cooldown.
24 Hours
Closed Days: Unknown
4-27-14 Kotobashi, Sumida-ku, Tokyo 130-0022
Gender Access
Male Only
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