Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Moji Onsen Port Spa is located in Moji, the historic port district of Kitakyushu at the northern tip of Kyushu, separated from Honshu by the narrow Kanmon Straits — one of the world's busiest shipping lanes, where vessels carrying iron ore, coal, and manufactured goods have passed for centuries and where the Kanmon Bridge and undersea pedestrian tunnel now connect Japan's two main islands. The chloride-rich thermal waters of Moji's spa draw from coastal geothermal sources beneath this active maritime gateway, offering warm saline baths that connect the bather to the sea that has defined Moji's identity as an international port and the gateway through which Kyushu's industrial products flowed to the world. Moji Retro — the beautifully preserved Meiji and Taisho-era western-style commercial buildings along the port waterfront — provides a cinematic backdrop of elegant early 20th-century port architecture for this coastal thermal wellness experience at the northern edge of Japan's southernmost main island.