Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Shimada Onsen Shizuoka is a community thermal spa in Shimada, a city situated at the historic Ōi River crossing on the ancient Tōkaidō highway in central Shizuoka Prefecture, Japan, surrounded by the country's most prolific tea-growing highlands and positioned between the coastal cities of Hamamatsu and Shizuoka. The naturally chloride-rich hot spring waters carry the characteristic mineral signature of Shizuoka's coastal thermal zone, valued for their warming, circulatory-enhancing, and skin-moisturizing properties in a city whose agricultural and transportation heritage spans more than a millennium. Offering accessible and genuinely therapeutic mineral bathing to the communities of the central Ōi River valley, Shimada Onsen embodies the everyday wellness culture of hot spring bathing that sustains community life throughout rural Shizuoka Prefecture.