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Yume Misaki

美味しい温泉 夢みさき

Rooftop open-air baths looking straight out over the Pacific

Lodging
Kanto·Chiba

Day Use

Yes
10:00–21:00

Day-use bathing days off are irregular rather than a fixed weekly schedule, so it's worth calling ahead to check before visiting.

¥1,000

A face towel is included; renting a bath towel is an extra 200 yen. Weekend, holiday and peak-day rates run higher than weekdays (1,500 yen for adults and 1,000 yen for children, versus 1,000 and 500 yen on weekdays). The child rate applies from age 3 through elementary school; under 3 bathes free.

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathYes

Open-air outdoor bath

Indoor BathYes

Enclosed indoor bathing area

SaunaYes

Sauna room of any kind

Bathing Arrangements

Private BathYes

A private bath you can reserve for yourself or your group

Room OnsenYes

Private onsen bath in guest rooms, for overnight guests only

Mixed BathingNo

Shared bathing area for all genders

Policies & Services

KidsYes

Welcomes children and families

Some premium suite room categories are adults-only; children are welcome in the baths and standard rooms.

TowelsYes

Towels to rent or borrow at the desk

ParkingYes

On-site or nearby parking available

Views

Sea

Highlights

Utaseyu
Steam Sauna
Cave Bath
Jet Bath

About

Yume Misaki is a large hotel on the Chikura coast in Minamiboso, with two floors given over to bathing. The ground-floor Japanese-style room has all-hinoki tubs, a garden rotenburo, a water-fall bath and its own sauna; the Western-style room next door has granite tubs, a hot sauna and an open-air jacuzzi bath. Seven floors up, a matching pair of rooftop baths, one Japanese-style and one Western, looks straight out over the Pacific and has its own steam sauna; there is no washing space up there, so guests rinse off downstairs first. A cave-styled private family bath opened in 2023, and a simpler one for parents with young kids sits alongside it, both free once per stay for overnight guests, plus a swimsuit-zone pool and jacuzzi. The spring water is salty and warming, piped into the ground-floor and rooftop baths and into some of the room categories too. It's an older building, well kept, with the sea view from the rooftop baths as the main draw.

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Onsen Oni

Last updated September 29, 2026