A bright, accessible sento seven minutes from JR Kamata where you soak in black onsen water facing an aquarium of real fish and fish tile pictures. Ota City singles out its own 'carbonated kuro-yu', a black-water cold bath and a silky micro-bubble bath.
- Address
- 5-10-5 Nishi-Kamata, Ota-ku, Tokyo 144-0051
- Hours
- Sat-Thu 15:00-23:30; closed Fri
- Best time to go
- Evening · About 1.5 h
- Price
- Adult JPY 600, primary-school children JPY 200, preschoolers JPY 100 (Tokyo fixed bath price from 1 Aug 2026, Tokyo Sento Association); sauna or towel rental may cost extra
- Price level
- JPY
Details can change. Check hours and prices before you go.
Good to know
- Barrier-free and easy with small children or older relatives.
- Wash or at least rinse thoroughly at the taps before getting into the tubs, and keep your towel out of the water (Tokyo Sento Association etiquette).