Right Onsen › Tokyo › Ota City
Natural hot spring Heiwajima
3.8★ · 1,774 Google ratings · Ota City, Tokyo · 天然温泉 平和島
✓ Day visitors✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesConfirmed by recent visitor reports
Hours
00:00–24:00From the facility's listing
Tattoos
Cover requiredStated on the facility's website
Price
¥2,900 adultReported by two visitors
Time limit
7 hoursConfirmed by recent visitor reports
How we know this
- Day visitors: Visitors used the bath on a day-use basis with different course lengths and prices depending on time of arrival in 2026. · 3 visitors, Jun 2026 – Aug 2026
- Tattoos: stated on the facility's website, read 2026-09
- Price: Adult day-use admission for a standard course was reported as 2900 yen in 2026, though one review cited 2400 yen for a 7-hour course. · 2 visitors, Jun 2026 – Jul 2026
- Time limit: A common day-use course was limited to about 7 hours, with pricing tied to that duration in 2026 reviews. · 3 visitors, Jun 2026 – Jul 2026
The bath
What you’ll find
Natural hot spring Heiwajima is a 24-hour indoor bathhouse near Haneda Airport offering both day-use and overnight stays, with saline hot-spring baths, sauna and a cold bath but no outdoor bath; day-use pricing varies by course length and time of day.
Bath setup
Outdoor bath
✕ NoReported by two visitors
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesReported by one visitor
Rest area
✓ YesReported by two visitors
Restaurant
✓ YesReported by two visitors
Lodging
✓ YesConfirmed by recent visitor reports
Spring water
Spring type
sodium chloride springReported by two visitors
Source temperature
35.9°CReported by one visitor
How we know this
- Outdoor bath: Reviewers noted the facility has no outdoor bath, being located on a single indoor floor. · 2 visitors, Jun 2026 – Jul 2026
- Sauna: The facility has a high-temperature sauna as part of its communal bathing area, described in 2026 reviews. · 3 visitors, Jun 2026 – Aug 2026
- Cold bath: A cold bath around 16°C was listed among the communal baths in 2026. · 1 visitor, Aug 2026
- Rest area: The facility has both free and premium rest/lounge areas, noted in 2026 reviews. · 2 visitors, Jul 2026 – Aug 2026
- Restaurant: An on-site restaurant with self-order and self-payment via wristband exists, according to 2026 reviews. · 2 visitors, Aug 2026 – Sep 2026
- Lodging: Overnight stays, including late-night airport shuttle plans with breakfast, were used by multiple 2026 reviewers. · 3 visitors, Jun 2026 – Aug 2026
- Spring type: The spring is a strong sodium chloride (salt) spring, described as sea-water-like in 2026 reviews. · 2 visitors, Jul 2026 – Aug 2026
- Source temperature: The source spring temperature was stated as 35.9°C in a 2026 review. · 1 visitor, Aug 2026
Practical
What you need
Towels
✓ IncludedReported by two visitors
Wheelchair
✓ Entrance, parkingAccessible entrance, parking per the listing; the baths themselves are not assessed
How we know this
- Towels: Bath and face towels along with loungewear are provided as part of admission, with free face-towel exchange noted in 2026. · 2 visitors, Jul 2026 – Aug 2026
Timing
When to go
Quietest Monday around 4:00. Busiest Sunday around 14:00.
| 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 | 00:00–24:00 |
| Tuesday | 00:00–24:00 |
| Wednesday | 00:00–24:00 |
| Thursday | 00:00–24:00 |
| Friday | 00:00–24:00 |
| Saturday | 00:00–24:00 |
| Sunday | 00:00–24:00 |
Getting there
How to get there
Nearest station
ŌmorikaiganAbout 7 min on foot, 0.6 km in a straight line
Address
1 Chome-1-1 Heiwajima, Ota City, Tokyo〒143-0006 Tokyo, Ota City, Heiwajima, 1 Chome−1−1 ビッグファン平和島２F · From the facility's listing
Show a driver
天然温泉 平和島The name in Japanese, for a taxi or at the counter
Phone
+813-3768-9121Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.heiwajima-onsen.jpOfficial, in Japanese
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Questions
Common questions
Can I visit Natural hot spring Heiwajima without staying overnight?
Visitors used the bath on a day-use basis with different course lengths and prices depending on time of arrival in 2026.
How much does Natural hot spring Heiwajima cost?
Adult day-use admission for a standard course was reported as 2900 yen in 2026, though one review cited 2400 yen for a 7-hour course.
