Bath only: 700 yen (adult), 500 yen (child). Pool+sauna+bath: 1,600 yen (adult general), 1,300 yen (member). Towel rental set 250 yen.
Heated tap water, not a natural hot spring
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Shared bathing area for all genders
Restaurant or dining open to visitors (not just hotel meal plans)
Towels available to rent or borrow
On-site or nearby parking available
SeaRest Muroto fills its pools and baths with deep sea water drawn from off the Muroto coast, so the water is naturally salty rather than a hot spring. The main draw is a long hydrotherapy pool with multiple jet stations at different heights, good for working through sore muscles. Alongside it sit an outdoor bath with a sea view, an indoor bath, and a Finnish sauna with aufguss sessions. It's a relaxed spot to soak or swim while looking out at the Pacific.
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Last updated June 25, 2026