Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Minato Onsen Hayou no Yu welcomes bathers in Fukuoka, on the island of Kyushu, with sodium-chloride water at 41°C. The bathhouse features an indoor pool, an outdoor rotenburo bath and a sauna.
Insider tip — Minato Onsen Hayou no Yu draws sodium-chloride thermal water in Fukuoka city, Kyushu's dynamic metropolitan hub, offering residents a genuine hot-spring experience within easy reach of the urban core. The saline waters are notably warming and buoyant, reflecting the coastal aquifer geology beneath northern Kyushu. The facility maintains a lively neighbourhood atmosphere with competitive admission prices, making it a practical daily wellness choice for locals and an accessible cultural experience for visitors. Pair the visit with Fukuoka's legendary street food stalls, the yatai along Nakasu island, for a quintessential Hakata evening.