Right Onsen › Tokyo › Sumida City
Santokuyu
4.2★ · 51 Google ratings · Sumida City, Tokyo · 三徳湯
✓ Day visitors
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
15:45–22:00From the facility's listing
Closed
Wednesday, SaturdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 36 recent reviews we read
Bathing
Men and women separateConfirmed by recent visitor reports
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
- Bathing arrangement: Men's and women's sections have separate entrances, though several visitors noted the signage is easy to miss. · 3 visitors, Mar 2020 – Apr 2026
The bath
What you’ll find
Santokuyu is an old, wood-fired neighborhood sento in Sumida with a separate radium mineral bath and no sauna; note there is no hair dryer and bath temperatures vary widely by report.
Bath setup
Indoor baths
3Confirmed by recent visitor reports
Sauna
✕ NoReported by two visitors
Spring water
Bath temperature
42°CReported by two visitors
How we know this
- Indoor baths: Reviews from 2020 to 2026 consistently describe three indoor tubs, including a separate radium bath. · 3 visitors, Mar 2020 – Apr 2026
- Sauna: Visitors in 2019 and 2025 both noted the bathhouse has no sauna. · 2 visitors, Sep 2019 – May 2026
- Bath temperature: Main tub temperatures were measured around 41-43°C in 2023-2025, though many other reviews describe the water as scalding hot or, at times, tepid. · 2 visitors, Sep 2023 – Nov 2025
Guide
Good to know
Bath temperature
Main tub temperatures were measured around 41-43°C in 2023-2025, though many other reviews describe the water as scalding hot or, at times, tepid.
Reported by two visitorsHair dryer
Multiple reviewers from 2020 to 2025 reported there is no hair dryer for either the men's or women's side.
Confirmed by recent visitor reportsPractical
What you need
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Hair dryer
✕ NoConfirmed by recent visitor reports
How we know this
- Soap & shampoo: Reviewers from 2021 to 2023 confirmed shampoo and body soap are provided at the washing stations. · 3 visitors, Jul 2021 – Sep 2023
- Hair dryer: Multiple reviewers from 2020 to 2025 reported there is no hair dryer for either the men's or women's side. · 3 visitors, Mar 2020 – Nov 2025
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | 15:45–22:00 |
| Tuesday | 15:45–22:00 |
| Wednesday | Closed |
| Thursday | 15:45–22:00 |
| Friday | 15:45–22:00 |
| Saturday | Closed |
| Sunday | 15:45–22:00 |
Closed Wednesday, Saturday.
Getting there
How to get there
Nearest station
YahiroAbout 3 min on foot, 0.2 km in a straight line
Address
6 Chome-8-8 Yahiro, Sumida City, Tokyo 131-0041From the facility's listing
Show a driver
三徳湯The name in Japanese, for a taxi or at the counter
Phone
+813-3614-1058Japanese-speaking. For tattoos or private baths a call is the only sure answer
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Questions
Common questions
Can I visit Santokuyu without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.
