Somari
Kumamoto, Japan

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Under ¥100
Whole-space hire
Private hire
Access
Finnish
Sauna type
Cold PlungePrivate
About
Somari is a private sauna and stone spa in Kumamoto, with ten individual rooms from solo to four-person suites. The cold plunge and showers run on natural mineral groundwater. Larger rooms add oxygen capsules and a barbecue grill.
Good to know
- Cold plunge available on site: use it between rounds for the classic contrast cycle.
- Bookable as a private session: rent the room for your group rather than sharing with strangers.
Hours
- Mon-Fri 10:00-23:00 (last entry 21:30)
- Sat-Sun & holidays 08:00-23:00 (last entry 21:30)
Closes 21:00 with last entry 19:30 on the day before a weekday public holiday.
Common questions
Do I need to book Somari?
Yes. The sauna is booked as a private hire for your group.
How much does Somari cost?
Hiring the whole sauna costs under ¥100.
Does Somari have a cold plunge?
Yes. There is a cold plunge on site for contrast rounds.
When is Somari open?
Typical hours are Mon-Fri 10:00-23:00 (last entry 21:30); Sat-Sun & holidays 08:00-23:00 (last entry 21:30). Closes 21:00 with last entry 19:30 on the day before a weekday public holiday..


