Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Tomigusuku Onsen is located near Naha in southern Okinawa, within easy reach of the Peace Memorial Park and the Himeyuri Peace Museum, which commemorates the tragic fate of the Himeyuri student nurses — young schoolgirls mobilized to serve in underground military hospitals during the Battle of Okinawa, many of whom perished in the island's final days of fighting. The surrounding landscape holds an extraordinary density of war memorials, caves, and monuments that bear witness to one of the Second World War's most devastating civilian tragedies. The onsen provides a space for quiet contemplation between visits to these profoundly moving sites of memory and reconciliation.
Insider tip — Tomigusuku sits just south of Naha on Okinawa's main island, a suburban city adjacent to the American base complexes and Peace Memorial Park. The local sento here draws sodium-chloride thermal water tapping into the limestone aquifers characteristic of the Ryukyu islands. The balmy subtropical air year-round means bathers can combine an indoor soak with outdoor poolside relaxation even in January.