Marine Hotel Hamanasu
マリンホテル ハマナス
Small seaside inn with a Sea of Japan view bath
Day Use
YesLast entry 30 minutes before closing. If the Wednesday closure falls on a public holiday, the day off moves to the next day. The inn also posts monthly closure dates on its site.
Adult 700 yen, elementary school children 350 yen, age 3 and over 200 yen. The large tatami hall is not opened to day visitors.
Bathing & Water
Uses natural hot spring water
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
A restaurant or dining room open to visitors, not only meals for overnight guests
On-site or nearby parking available
Views
SeaAbout
A small inn on the coast at Jogehama (上下浜) onsen in Joetsu, with a large bath that looks out over the Sea of Japan. There is one bath each for men and women, filled with water pumped up from the spring. Day visitors can bathe too, and the inn has its own restaurant, Kurage (海月). The big tatami hall is not opened to day visitors.
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Last updated October 13, 2026