Katsuura Station × Accommodation With À La Carte DiningRecommended Hotel·Ryokan for family trips

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2 Adults0 Children1 room
3  properties
A “hidden, long-established Ryokan” quietly nestled in the Boso Peninsula Quasi-National Park

Ubarakan is an Accommodation where you can savor fresh seafood. Seafood delivered directly from the fishing port right in front of us is among the best in Boso in both quality and quantity. Our natural Onsen, enjoyed in four types of baths (Tunnel Bath, Cave Bath, Scenic View Bath, and Private Family Bath), is also highly praised. Surrounded by the beautiful, unspoiled scenery of Ubara Risokyo, our Accommodation offers Rooms with sweeping views of the Pacific Ocean and Ubara Risokyo. Forget the bustle of everyday life and enjoy time that flows at a leisurely pace.

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We completed a major renovation in March 2026.

Onosou is an Accommodation founded by the previous generation of a diver, with the wish to share delicious local ingredients such as spiny lobster and abalone with many people. That spirit lives on today, and we continue to serve dishes made with locally sourced ingredients. Step away from the bustle of everyday life and enjoy our signature meals in Onjuku, where time flows gently and local flavors abound.Our enchanting bath to soothe travel fatigue features Onjuku’s natural brown-hued Onsen, “Bijin-no-Yu,” known for helping relieve fatigue and sensitivity to cold. You can also relax and lose track of time in our bath area produced by special effects sculptor and decorator “Katsu”.The main beach with Onjuku’s white sand is just a 1-minute walk away.

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Enjoy a comfortable stay in a relaxing space with a variety of room types.

Property located close to Katsuura Station. All rooms are equipped with Plasma Cluster air purifiers, offering a modern resort-style open atmosphere for relaxation. Guests can also enjoy leisurely moments on the private garden terrace. Morning coffee and bread service is available, and coffee is served in the lobby until 8 PM. Additionally, casual Japanese cuisine featuring fresh seafood is one of the highlights.

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