Right Onsen › Tokyo › Koto City
Asahiyu (Koto City)
3.9★ · 137 Google ratings · Koto City, Tokyo · 旭湯
✓ Day visitors✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
Not publishedCall ahead
Tattoos
? Call aheadNo policy stated in the 40 recent reviews we read
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
The bath
What you’ll find
Asahiyu is a retro Tokyo neighborhood sento (Higashisuna, Koto-ku) with a small outdoor bath, cold plunge, strong jet baths, and a paid sauna; it is permanently closing at the end of March 2026.
Bath setup
Indoor baths
3Reported by one visitor
Outdoor bath
✓ YesConfirmed by recent visitor reports
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesReported by two visitors
Rest area
✓ YesReported by two visitors
How we know this
- Indoor baths: A detailed 2025 review counted three indoor pools: a medicated bath, a cold bath, and a large jet bath, separate from the outdoor bath. · 1 visitor, Mar 2025
- Outdoor bath: Numerous reviewers from 2023 through 2026 describe a small open-air outdoor bath, sometimes located across a passage from the changing room. · 3 visitors, Jan 2024 – Feb 2026
- Sauna: A paid sauna, typically 100 yen extra bringing the total to about 650 yen, is consistently reported from 2023 to 2026. · 3 visitors, Dec 2025 – Mar 2026
- Cold bath: A cold plunge bath using tap water is present, with reviewers describing its temperature differently from icy to mild between 2023 and 2026. · 2 visitors, Nov 2025 – Mar 2026
- Rest area: A waiting or rest area with drinks and snacks is available after bathing, noted in reviews from 2023 and 2024. · 2 visitors, Oct 2023 – Dec 2024
Guide
Good to know
Hair dryer
Coin-operated hair dryers are available for a small fee, though one early 2026 visitor found one malfunctioning.
Reported by two visitorsSauna
A paid sauna, typically 100 yen extra bringing the total to about 650 yen, is consistently reported from 2023 to 2026.
Confirmed by recent visitor reportsPractical
What you need
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Hair dryer
✓ YesReported by two visitors
How we know this
- Soap & shampoo: Body soap and shampoo are provided free at communal washing stations, consistently reported from 2024 to 2026. · 3 visitors, May 2024 – Jan 2026
- Hair dryer: Coin-operated hair dryers are available for a small fee, though one early 2026 visitor found one malfunctioning. · 2 visitors, Nov 2025 – Jan 2026
Getting there
How to get there
Nearest station
Minami-sunamachiAbout 13 min on foot, 1.0 km in a straight line
Address
7 Chome-15-1 Higashisuna, Koto City, Tokyo 136-0074From the facility's listing
Show a driver
旭湯The name in Japanese, for a taxi or at the counter
Phone
+813-3644-0493Japanese-speaking. For tattoos or private baths a call is the only sure answer
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Questions
Common questions
Can I visit Asahiyu (Koto City) without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.
