Itoshima Onsen
- Location
- Itoshima, Fukuoka, Japan
- Water type
- sodium chloride
- Temperature
- 42 °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.
Itoshima Onsen is situated in Itoshima, a scenic peninsula city west of Fukuoka City that has developed into one of the most fashionable lifestyle destinations in the Fukuoka metropolitan area, attracting creative professionals, artisans, and urban escapees drawn by the combination of beautiful beaches, dramatic coastal rock formations, excellent local seafood, organic farming communities, and a laid-back alternative culture that has given Itoshima a reputation as Fukuoka's equivalent of a Pacific Coast surfing and artisan community. The Itoshima coast is famed for its salt production using traditional 'moshio' seaweed evaporation methods revived by local artisans, its oyster rafts visible in the bay from autumn through spring, and its particularly photogenic sunset scenery over the Genkai Sea from the Futamigaura 'Married Couple Rocks' (meoto iwa). The onsen here draw on silica-rich geothermal springs in Itoshima's geological substrate, providing mineral bathing in a city whose rare combination of coastal beauty, artisan culture, and proximity to Fukuoka has made it one of western Japan's most sought-after lifestyle addresses.