Zushi Onsen
- Location
- Zushi, 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.
Zushi Onsen is a community thermal facility in the seaside city of Zushi, one of the Shonan coast's most popular residential destinations for Tokyo professionals seeking a beach-accessible lifestyle in a city famous for its beautiful sand beach on Zushi Bay, its laid-back surf culture, and the remarkable Zushi Kotsubo marine park—a protected bay at the foot of the Kamakura hills where glass-clear water over kelp beds creates some of the Kanto region's finest snorkeling conditions. The siliceous mineral waters provide warm, restorative immersion for a city whose proximity to Kamakura's Buddha, temples, and hiking trails—connected by a single train ride on the Shonan-Shinjuku Line—makes Zushi a natural base for the cultural riches of the ancient Kamakura shogunate capital just over the forested ridge. Zushi's beach festivals, the Hayama imperial connection visible just around the coastal headland, and the warm mineral onsen together reflect a town that has perfected the Shonan balance of Tokyo proximity, beach lifestyle, and authentic Japanese heritage.