Right Onsen › Kanagawa › Kawasaki
Komatsuyu
4.1★ · 171 Google ratings · Kawasaki, Kanagawa · 小松湯
✓ Day visitors✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
13:00–02:00From the facility's listing
Closed
SaturdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 37 recent reviews we read or on the facility's website
How we know this
- Day visitors: Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise. · from the listing category
Atmosphere

The bath
What you’ll find
Komatsuyu is a classic Kawasaki neighborhood sento with a strong sauna and very cold plunge bath, famous for an intense electric bath, but it has no outdoor bath or parking and shampoo/soap are usually not supplied.
Bath setup
Outdoor bath
✕ NoReported by one visitor
Sauna
✓ YesReported by two visitors
Cold bath
✓ YesVisitors repeatedly praise a very cold plunge bath, with temperatures reported between about 8 and 14 degrees Celsius.Confirmed by recent visitor reports
How we know this
- Outdoor bath: A 2026 review states there is no outdoor bath at the facility. · 1 visitor, Apr 2026
- Sauna: Reviewers across 2024-2026 consistently describe a hot dry sauna, often priced separately (around 300 yen) with towels included. · 2 visitors, Apr 2026 – May 2026
- Cold bath: Visitors repeatedly praise a very cold plunge bath, with temperatures reported between about 8 and 14 degrees Celsius. · 3 visitors, Dec 2024 – Jun 2026
Practical
What you need
Towels
Rental availableConfirmed by recent visitor reports
Hair dryer
✓ YesConfirmed by recent visitor reports
Parking
Paid, on siteFrom the facility's listing
Facilities
Rest area
✓ YesReported by two visitors
How we know this
- Towels: A bath towel is included when paying the separate sauna fee (around 300 yen), across reviews from 2024 to 2026. · 3 visitors, Sep 2025 – Mar 2026
- Hair dryer: Multiple reviewers from 2026 note that hair dryers are free to use. · 3 visitors, Jan 2026 – Feb 2026
- Rest area: Reviewers describe a spacious rest and waiting area near the changing room. · 2 visitors, Feb 2025 – Apr 2026
Timing
When to go
Quietest Wednesday around 13:00. Busiest Friday around 21:00.
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Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 13:00–02:00 |
| Tuesday | 13:00–02:00 |
| Wednesday | 13:00–02:00 |
| Thursday | 13:00–02:00 |
| Friday | 13:00–02:00 |
| Saturday | Closed |
| Sunday | 13:00–02:00 |
Closed Saturday.
Getting there
How to get there
Nearest station
Minatocho · Keikyu · KK21About 16 min on foot, 1.3 km in a straight line
Address
5 Chome-8-7 Oshima, Kawasaki Ward, Kawasaki, Kanagawa 210-0834From the facility's listing
Show a driver
小松湯The name in Japanese, for a taxi or at the counter
Phone
+8144-233-3371Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
komatsuyu.comOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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Questions
Common questions
Can I visit Komatsuyu without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.