Right Onsen › Tokyo › Minato City
Komyoseki Onsen Tenku-no-Yu
3.2★ · 117 Google ratings · Minato City, Tokyo · 準天然光明石温泉 天空の湯
✓ Day visitors✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesStated on the facility's website
Hours
15:00–01:00From the facility's listing
Tattoos
✕ Not allowedStated on the facility's website
Price
¥2,200 adultStated on the facility's website
Bathing
Men and women separateReported by two visitors
How we know this
- Day visitors: Reviewers from 2023-2026 used this hotel bath as day visitors without staying overnight. · stated on the facility's website, read 2026-09 · 3 visitors, Aug 2023 – Aug 2026
- Tattoos: stated on the facility's website, read 2026-09
- Price: stated on the facility's website, read 2026-09
- Bathing arrangement: Men's and women's baths are separated and swap weekly between the bay-facing and land-facing sides. · 2 visitors, Aug 2025 – Feb 2026
The bath
What you’ll find
A small hotel-based day-use bath on the 18th floor of a Tokyo hotel (Ajour Takeshiba), with an indoor tub, jacuzzi, sauna and one-person cold plunge; window film usually blocks the advertised city/bay view.
Bath setup
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
View
OceanConfirmed by recent visitor reports
Rest area
✓ YesConfirmed by recent visitor reports
Lodging
✓ YesReported by two visitors
Spring water
Spring type
artificialConfirmed by recent visitor reports
Bath temperature
41°CConfirmed by recent visitor reports
How we know this
- Sauna: A small sauna with self-service löyly is present, reported consistently from 2023 to 2026. · 4 visitors, Jan 2025 – Aug 2026
- Cold bath: A very small one-person cold plunge exists, with reported temperatures ranging from about 7°C to 24°C depending on the visit. · 3 visitors, Jan 2026 – Aug 2026
- View: Some reviewers enjoyed bay or Tokyo Tower views from the jacuzzi edge, while many others reported the windows are film-covered and views are largely blocked. · 3 visitors, Jan 2025 – Aug 2026
- Rest area: A rest area with Yogibo cushions is available next to the changing rooms, reported from 2024 to 2026. · 3 visitors, Apr 2024 – Feb 2026
- Lodging: The bath belongs to the Ajour Takeshiba hotel, and hotel guests can use it free of charge. · 2 visitors, Feb 2024 – Aug 2025
- Spring type: The water is described as an artificial hot spring rather than a natural mineral spring. · 3 visitors, Jun 2024 – Sep 2024
- Bath temperature: Main bath temperature was measured around 41-42°C by some visitors, though one reviewer found it too hot to enter. · 3 visitors, Jan 2025 – Jan 2026
Guide
Good to know
Lockers
Lockers require a 100 yen coin deposit that is returned, though some reviewers noted lockers can still be used without one.
Reported by two visitorsPayment
Card and PayPay payment are accepted at the 4th-floor front desk, though the 18th-floor counter (used in an older layout) was cash only.
Confirmed by recent visitor reportsView
Some reviewers enjoyed bay or Tokyo Tower views from the jacuzzi edge, while many others reported the windows are film-covered and views are largely blocked.
Confirmed by recent visitor reportsBath temperature
Main bath temperature was measured around 41-42°C by some visitors, though one reviewer found it too hot to enter.
Reports differ; confirmed by recent visitor reportsPractical
What you need
Towels
✓ IncludedConfirmed by recent visitor reports
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Lockers
✓ Coin returnedReported by two visitors
Payment
✓ Cards acceptedConfirmed by recent visitor reports
Hair dryer
✓ YesReported by two visitors
Wheelchair
✓ EntranceAccessible entrance per the listing; the baths themselves are not assessed
How we know this
- Towels: Admission includes rental towels (face and bath towels, sometimes a sauna mat) so visitors can come empty-handed. · 3 visitors, Aug 2023 – Aug 2025
- Soap & shampoo: Shampoo, conditioner and body soap are provided free at the washing stations. · 3 visitors, May 2024 – Feb 2026
- Lockers: Lockers require a 100 yen coin deposit that is returned, though some reviewers noted lockers can still be used without one. · 2 visitors, Jan 2026
- Payment: Card and PayPay payment are accepted at the 4th-floor front desk, though the 18th-floor counter (used in an older layout) was cash only. · 3 visitors, Aug 2023 – Jan 2026
- Hair dryer: Panasonic Nanocare hair dryers are provided in the changing area. · 2 visitors, Aug 2025 – Jan 2026
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | 15:00–01:00 |
| Tuesday | 15:00–01:00 |
| Wednesday | 15:00–01:00 |
| Thursday | 15:00–01:00 |
| Friday | 15:00–01:00 |
| Saturday | 15:00–01:00 |
| Sunday | 15:00–01:00 |
Getting there
How to get there
Nearest station
TakeshibaAbout 2 min on foot, 0.2 km in a straight line
Address
1 Chome-11-2 Kaigan, Minato City, Tokyo 105-0022From the facility's listing
Show a driver
準天然光明石温泉 天空の湯The name in Japanese, for a taxi or at the counter
Phone
+813-3437-2011Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.hotel-azur.comOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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Questions
Common questions
Can I visit Komyoseki Onsen Tenku-no-Yu without staying overnight?
Reviewers from 2023-2026 used this hotel bath as day visitors without staying overnight.
