Marine Spa Atami

Municipal all-weather day-use spa and pool complex. Its swimsuit health-bathing zone contains four named sauna styles: high-temperature dry, low-temperature, mist and steam. Public admission also covers the pools and hot-spring bathing areas; check the operator calendar for seasonal hours and temporary restrictions.

Generally 10:00–19:00 (last entry 18:30); closed Thursdays; seasonal changes