Kaizen Private Onsen & Spa
Bangkok, Thailand
- Private
- Hot tub
- Electric
- Spa
- Urban
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Under ฿4,000
Whole-space hire
Private hire
Access
Finnish · Steam
Sauna type
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- Private
- Hot tub
- Electric
- Spa
- Urban
About
Kaizen is a private onsen and Thai spa on Soi Sukhumvit 26 in Khlong Toei, Bangkok. Its onsen rooms are booked privately by the hour, and some add a small wood-lined sauna. The VIP Forest Room has a steam room as well, and massage and scrub packages can follow a soak.
Good to know
- Bookable as a private session: rent the room for your group rather than sharing with strangers.
- Hot tub on site: adds a warm-water option between the sauna and the cold plunge for a longer cycle.
- Electric stove: quicker to bring up to temperature, easier to control, and what most urban bathhouses run.
- Pairs the sauna with spa services like massage or a scrub, so a session can sit inside a wider visit.
- Urban venue: it sits inside the city rather than at a coast or lake. A session fits into a day in town.
Hours
- Monday
- 11am–12am
- Tuesday
- 11am–12am
- Wednesday
- 11am–12am
- Thursday
- 11am–12am
- Friday
- 11am–12am
- Saturday
- 11am–12am
- Sunday
- 11am–12am
Private onsen rooms by booking
Common questions
Do I need to book Kaizen Private Onsen & Spa?
Yes. The sauna is booked as a private hire for your group.
How much does Kaizen Private Onsen & Spa cost?
Hiring the whole sauna costs under ฿4,000.
When is Kaizen Private Onsen & Spa open?
Typical hours are Daily 11:00-00:00. Private onsen rooms by booking.
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