Right Onsen › Kanagawa › Kawasaki
Komatsuyu
4.1★ · 171 Google ratings · Kawasaki, Kanagawa · 小松湯
✓ Private day-use bath✓ Rest area
Before you go
Can you bathe here?
Day visitors
✓ YesListed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.from the facility's listing category
Hours
13:00–02:00 · closed Saturdayfrom the facility listing
Tattoos
Not known · call aheadno policy stated in the 37 recent reviews we read or on the facility's website
Watch out
Cold bath
Visitors repeatedly praise a very cold plunge bath, with temperatures reported between about 8 and 14 degrees Celsius.
stated by 3 visitors · Dec 2024 – Jun 2026Soap & shampoo
Most reviewers say shampoo and body soap are not provided in the bathing area and must be brought or bought at the counter, though one 2026 review described them as fully stocked.
stated by 3 visitors · Apr 2025 – Feb 2026The 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.
Outdoor bath
NoA 2026 review states there is no outdoor bath at the facility.stated by 1 visitor · Apr 2026
Sauna
✓ YesReviewers across 2024-2026 consistently describe a hot dry sauna, often priced separately (around 300 yen) with towels included.stated by 2 visitors · Apr 2026 – May 2026
Cold bath
✓ YesVisitors repeatedly praise a very cold plunge bath, with temperatures reported between about 8 and 14 degrees Celsius.stated by 3 visitors · Dec 2024 – Jun 2026
Rest area
✓ YesReviewers describe a spacious rest and waiting area near the changing room.stated by 2 visitors · Feb 2025 – Apr 2026
Practical
What to bring
Towels
Rental availableA bath towel is included when paying the separate sauna fee (around 300 yen), across reviews from 2024 to 2026.stated by 3 visitors · Sep 2025 – Mar 2026
Soap & shampoo
Not provided — bring your ownMost reviewers say shampoo and body soap are not provided in the bathing area and must be brought or bought at the counter, though one 2026 review described them as fully stocked.stated by 3 visitors · Apr 2025 – Feb 2026
Hair dryer
✓ YesMultiple reviewers from 2026 note that hair dryers are free to use.stated by 3 visitors · Jan 2026 – Feb 2026
Timing
When to go
Quietest Wednesday around 13:00; busiest Friday around 21:00. Measured by Google over past visits, not a forecast.
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Quiet Busy
| 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.
Practical
Plan your visit
📍 5 Chome-8-7 Oshima, Kawasaki Ward, Kawasaki, Kanagawa 210-0834
🚃 Minatocho station, 1.3 km
📞 +8144-233-3371
📋 Show at the counter: 小松湯
Nearby
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Kawasaki · 3.9★
Kawasaki · 4.0★
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