Chigasaki Onsen
- Location
- Chigasaki, Kanagawa, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Chigasaki Onsen offers siliceous mineral bathing in the coastal city of Chigasaki in southern Kanagawa Prefecture, where the wide sandy beach on Sagami Bay has cultivated one of Japan's most celebrated surf cultures since the 1960s, making this city synonymous with a laid-back Pacific coastal lifestyle associated particularly with the late singer Keisuke Kuwata of the band Southern All Stars—Chigasaki's most famous native son, whose songs celebrate the city's beachside romance and Shonan coast identity. The warm mineral waters provide restorative bathing for surfers, beach-goers, and residents of a city that has deliberately maintained its human-scaled, beach-community character against the suburban development pressures of the greater Tokyo-Yokohama corridor. Chigasaki's iconic Eboshi Rock offshore, the breezy Shonan promenade, and the warm mineral thermal waters together embody the particular pleasure of surfboard summer, beach festival, and neighborhood onsen that defines coastal Kanagawa's easy charm.