Right Onsen › Kanagawa › Kawasaki
Hoshinoyu
4.0★ · 102 Google ratings · Kawasaki, Kanagawa · 星乃湯
✓ Day visitors✓ Tattoos allowed✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesConfirmed by recent visitor reports
Hours
15:00–23:00From the facility's listing
Tattoos
✓ AllowedReported by visitors some time ago; may have changed
Price
¥570 adultStated on the facility's website
Child price
¥250Stated on the facility's website
Time limit
closes 23:00Reported by two visitors
How we know this
- Day visitors: Multiple visitors report day-use bathing, including morning visits on Sundays (2026-05 to 2022-10). · 3 visitors, Oct 2025 – May 2026
- Tattoos: Tattooed guests frequent the facility; no restriction enforced (2023-05, 2023-01). · 2 visitors, Jan 2023 – May 2023
- Price: stated on the facility's website, read 2026-09
- Child price: stated on the facility's website, read 2026-09
- Time limit: Operating hours end at 23:00 (2025-01, 2023-05). · 2 visitors, May 2023 – Jan 2025
Atmosphere

The bath
What you’ll find
Community bathhouse in Kawasaki with star-themed decor, multiple indoor baths including Kusatsu-style hot spring, sauna, and cold bath; no soap provided, day-use welcome.
Bath setup
Indoor baths
6.0Reported by two visitors
Outdoor bath
✓ YesConfirmed by recent visitor reports
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
View
GardenReported by two visitors
Spring water
Spring type
sulfurConfirmed by recent visitor reports
How we know this
- Indoor baths: Six main bath types: medicine bath, Kusatsu hot spring (with electric feature), 38 °C main bath, massage baths, and silk bath (2024-05, 2024-07). · 2 visitors, Jul 2024 – Nov 2024
- Outdoor bath: Outdoor or partially open-air bath (silk bath) with fresh air exposure and garden view (2022-10 to 2026-08). · 3 visitors, Oct 2022 – Aug 2026
- Sauna: Sauna present in changing area as separate facility; requires additional 200 yen fee (2026-08 to 2022-10). · 3 visitors, Oct 2022 – Aug 2026
- Cold bath: Cold bath with vibration feature present; temperature ranges 16–20 °C (2022-10 to 2026-05). · 3 visitors, Oct 2022 – May 2026
- View: Garden courtyard with ornamental koi pond visible from rest area (2022-10, 2023-05). · 2 visitors, Oct 2022 – May 2023
- Spring type: Main bath is Kusatsu-type sulfur hot spring, featured as high-temperature therapeutic bath (2023-04 to 2026-02). · 3 visitors, Apr 2023 – Feb 2026
Practical
What you need
Soap & shampoo
For sale at the counterStated on the facility's website
Lockers
✓ FreeReported by two visitors
Hair dryer
✓ YesReported by two visitors
Accessibility
Step-free entranceFrom the facility's listing. Bath access not confirmed
Facilities
Rest area
✓ YesConfirmed by recent visitor reports
How we know this
- Soap & shampoo: stated on the facility's website, read 2026-09
- Lockers: Lockers provided; keys issued with admission, no coin required (2024-11, 2024-07). · 2 visitors, Jul 2024 – Nov 2024
- Hair dryer: Hair dryers available; costs 20 yen per use (2026-02) and require multiple payments for longer hair (2025-12). · 2 visitors, Dec 2025 – Feb 2026
- Rest area: Rest chairs in silk bath open-air space with garden and koi pond view; separate lounge area (2022-10 to 2024-11). · 3 visitors, Oct 2022 – Nov 2024
Timing
When to go
Quietest Monday around 15:00. Busiest Saturday around 19:00.
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Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 15:00–23:00 |
| Tuesday | 15:00–23:00 |
| Wednesday | 15:00–23:00 |
| Thursday | 15:00–23:00 |
| Friday | 15:00–23:00 |
| Saturday | 15:00–23:00 |
| Sunday | 08:00–12:00 |
Getting there
How to get there
Nearest station
Hama-Kawasaki · JR East · JN54About 12 min on foot, 1.0 km in a straight line
Address
15-2 Oiwakecho, Kawasaki Ward, Kawasaki, Kanagawa 210-0835From the facility's listing
Show a driver
星乃湯The name in Japanese, for a taxi or at the counter
Phone
+8144-333-2800Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
k-o-i.jpOfficial, in Japanese
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Questions
Common questions
Does Hoshinoyu allow tattoos?
Tattooed guests frequent the facility; no restriction enforced (2023-05, 2023-01).
Can I visit Hoshinoyu without staying overnight?
Multiple visitors report day-use bathing, including morning visits on Sundays (2026-05 to 2022-10).