Right Onsen › Tokyo › Koto City
Rakan-yu
4.0★ · 199 Google ratings · Koto City, Tokyo · らかん湯
✓ Day visitors✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesConfirmed by recent visitor reports
Hours
15:00–22:00From the facility's listing
Closed
MondayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 36 recent reviews we read or on the facility's website
Price
¥550 adultReported by two visitors
Bathing
Men and women separateReported by two visitors
How we know this
- Day visitors: First-time and out-of-town visitors regularly use the bath as walk-in day guests. · 4 visitors, Sep 2024 – Aug 2026
- Price: Standard admission was 550 yen in 2024, with sauna use and towel rental charged separately. · 2 visitors, Oct 2024 – Dec 2024
- Bathing arrangement: Men's and women's bathing areas are separate, as is typical for a sento. · 2 visitors, Mar 2025 – Aug 2026
The bath
What you’ll find
Rakan-yu is a traditional neighborhood public bathhouse (sento) in Nishi-Oijima, Tokyo, with electric, herbal, jet and bubble baths, a small cold plunge, and a dry sauna; walk-in day use is normal and entry is about 550 yen plus a sauna surcharge.
Bath setup
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Rest area
✓ YesReported by two visitors
How we know this
- Sauna: A dry, far-infrared sauna is available for an extra fee across many years of reviews. · 3 visitors, Nov 2025 – Aug 2026
- Cold bath: A small round, well-like cold plunge sits right by the bathroom entrance and is described as very cold. · 3 visitors, Jan 2025 – May 2026
- Rest area: Cooling down after the sauna happens on benches or chairs in the changing room rather than an outdoor rest area. · 2 visitors, Aug 2025 – Mar 2026
Guide
Good to know
Hair dryer
Hair dryers were free in most reports, though one 2025 review noted a 20-yen charge for the women's dryer.
Reported by two visitorsSoap & shampoo
Free shampoo and body soap are placed near the entrance, though supply can be limited at busy times.
Confirmed by recent visitor reportsPractical
What you need
Towels
Rental availableConfirmed by recent visitor reports
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Payment
✓ Cards & QR acceptedConfirmed by recent visitor reports
Hair dryer
✓ YesReported by two visitors
How we know this
- Towels: Small towels can be rented for around 30 yen, or a towel set is included when paying the sauna price of about 900 yen. · 3 visitors, Oct 2024 – Jun 2026
- Soap & shampoo: Free shampoo and body soap are placed near the entrance, though supply can be limited at busy times. · 3 visitors, Oct 2024 – Jan 2026
- Payment: PayPay QR payment is accepted in addition to cash. · 3 visitors, Oct 2024 – Aug 2025
- Hair dryer: Hair dryers were free in most reports, though one 2025 review noted a 20-yen charge for the women's dryer. · 2 visitors, Mar 2025 – Aug 2025
Timing
When to go
Quietest Friday around 15:00. Busiest Thursday around 19:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
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| SU |
Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | Closed |
| Tuesday | 15:00–22:00 |
| Wednesday | 15:00–22:00 |
| Thursday | 15:00–22:00 |
| Friday | 15:00–22:00 |
| Saturday | 15:00–22:00 |
| Sunday | 15:00–22:00 |
Closed Monday.
Getting there
How to get there
Nearest station
Nishi-ojimaAbout 3 min on foot, 0.2 km in a straight line
Address
2 Chome-37-7 Ojima, Koto City, Tokyo 136-0072From the facility's listing
Show a driver
らかん湯The name in Japanese, for a taxi or at the counter
Phone
+813-3684-3775Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
saipon.jpOfficial, in Japanese
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Nearby
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What matters
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Questions
Common questions
Can I visit Rakan-yu without staying overnight?
First-time and out-of-town visitors regularly use the bath as walk-in day guests.
How much does Rakan-yu cost?
Standard admission was 550 yen in 2024, with sauna use and towel rental charged separately.
