Soothe your daily fatigue in an open-air bath overlooking the ocean!
Mizunashi Kaigan Onsen is a hot spring facility located on the southern coast of Hakodate City, offering a panoramic view of the Pacific Ocean. You can enjoy a relaxing onsen bath while gazing at the vast blue ocean and magnificent nature right before your eyes – truly a breathtaking onsen experience. Our pride is the open-air bath where you can leisurely bathe while enjoying the ocean view. In this open space, soaking in the onsen while feeling the sea breeze will melt away your daily stress. The onsen water is a sodium-calcium chloride spring, known to be effective for neuralgia, muscle pain, and joint pain. Besides the onsen, we also have a sauna, a rest area, and a dining area, so you can spend a relaxing day here. The dining area offers a variety of menus, including fresh seafood dishes and local cuisine. When visiting Hakodate, be sure to stop by Mizunashi Kaigan Onsen. Refresh your body and mind with the magnificent nature and onsen.