What makes it 57% Baby-Friendly: Babies pay 300 JPY and have small tubs and changing tables, yet diapered infants cannot enter main baths, no private nursing room or stroller entry, so carers face space and comfort limits.
Why 2-3 hours visit duration is ideal for with baby: Allows time for adult bathing, baby-friendly areas, and a quick visit to the arcade complex
Use the Viewing Spa baby baths:
Access small tubs designed for infants in the Viewing Spa area after paying the ¥300 baby admission.
Tip: Remove diapers and bring a clean change; no extra fee beyond admission
Relax in the lounge and reading corner:
Enjoy recliners, TV and a manga library with your baby at your side.
Tip: Pick a seat near the nursing area for privacy; staff can store your stroller
Explore the BIG FUN complex:
Walk outside to use the arcade, bowling alley and cinema next door.
Tip: Deposit your stroller at reception before leaving the onsen; some games offer single-use tickets

Carina Domingo
Just spent 3 hours, before our flight home. Loved it! The staff was super friendly and helpful. It was our first time to an onsen. Not as English friendly as other places in Tokyo but we made it through just going with the flow and asking for help. Lots of free luggage storage. Had lunch. Just pay for everything with your wristband. Husband got great massage too. Would like to go back some day.
Angie Mok
It was great experience! I arrived early flight so I came to the spa. I could rest a little bit, there are enought lounge for all, 3 rooms. It was very refreshing and healing. I felt new! The only thing I didn't like is in the morning the cleaning lady turned on all the light of the lounge and start making lots of noise. The experience was excellent and comparing with another onsens, this one can ...
Jonathan Kressin
This was within walking distance from my hotel. I visited twice during my vacation and enjoyed both times. The water is the perfect temperature, staff was helpful and polite. I had an amazing visit both times. The only issue I had at all was that this was the one place in Japan with machines that didn't like my US credit cards so had to pay in cash.
Rutto Thongtit
I always stop relaxing at Heiwajima Onsen while a long wait for my next flight. This place is perfect for hanging out if you don’t want to explore downtown. The facility includes shower, onsen, sauna, steam room, restaurant, snack shop, spa for fee, relaxing room and tv room. I landed at Haneda at 6AM and spent 7 hours at the onsen for late afternoon flight. How to get there: Use Keikyu line at ...
Khang Tran
Do you have an extended layover in Tokyo? Then this is a great place to stay and wash up for your overnight needs. After walking around for 2 hours in the Tokyo summer humidity a nice bath felt amazing and relaxing. The water temp is nice and hot. And compared to plane seats, you will get an amazing night sleep in the relaxation lounge (though you might need some ear plugs and an eye mask if you s...
In winter, keep your baby in the heated lounge rather than the chilly sun deck. In summer, arrive before 10 AM for cooler lounge seating and less crowd.
Explore These Activities
| Item | Cost (Approx.) |
|---|---|
| Adult admission (×2) | JPY 2,400 |
| Baby admission | JPY 300 |
| Lunch at Restaurant Yurari (×2) | JPY 1,500 |
| Total Estimated | JPY 8,100 |
Note: All prices are indicative and may vary. Please check directly with the venue for the most accurate and up-to-date information.
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Address: Japan, 〒143-0006 Tokyo, Ota City, Heiwajima, 1-chōme−1−1 ビッグファン平和島2F
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