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Hot Springs

Natural hot springs on the beach

Inubosaki Shionoyu Onsen

All of our baths have ocean views.
In the spectacular infinity bath, it feels as if you are connected to the sea.
Please relax and enjoy an extraordinary experience that you cannot find anywhere else.
  • 【Panoramic view Pacific Ocean】8 hot spring baths

    A hot spring with a spectacular view that will soothe your mind and body.
    There are eight different hot spring baths available, all with ocean views.
    The greatest attraction is the spectacular view of Inubosaki, which changes with the hour, from sunrise to sunset.
    Kuroshio no Yu, a natural hot spring that springs from 1,300 meters of Early Cretaceous stratum, is a high-quality hot spring that has the effect of relieving fatigue and beautifying the skin.
  • 【Private hot spring】Miotsukushi

    A special hot spring where you can enjoy the luxury of a private bath with an ocean view.
    Guests can also use the large public bath and open-air bath, allowing them to fully enjoy the hot springs.
    It is also available to general customers.(The final reservation for the general public will be at 2:30 PM.)

    ※Please call us for details.(TEL:0479-23-5111)
    Hot spring bath hours
    From 11:30 to 20:00(Reservation required)※50 minutes from the reserved time
    Usage fee
    【General】2 People:From 4,000 yen/"Guests staying overnight or dining" 2 people:From 3,000 yen※Additional charges apply for additional people
  • 【One-day hot spring】

    Enjoy the open-air bath by the water's edge while listening to the sound of the waves.
    We generously pour our own hot spring water, which is abundant in volume, into the bathtub.
    Hot spring bath hours
    12:00 to 19:00 ※The event will end at 8:00 PM.
    Hot spring qualities
    Iodine-containing /sodium /Calcium-chloride enriched spring water(Hypertonicity, weak alkalinity, cold mineral spring)
    Cautions
    【Stay time】Maximum 90 minutes including bathing
    ※Reception after 18:30 closes at 20:00, so the time limit is 90 minutes.
    ※Special fees apply on special days such as Obon, New Year's, Golden Week, and three-day weekends.
    Please call us for details.
    Usage fee
    Weekdays:Adults: 1,300 yen, Children: 800 yen/Saturday / Sunday / Holidays:Adults: 1,500 yen, Children: 1,000 yen
  • 【Inubosaki Shionoyu】About the hot springs

    Inubosaki Onsen was selected as the number one hot spring in the history and culture category of the 2024 Hot Spring General Election. "Inubosaki Shionoyu"
    It was recognized for being a historic hot spring that springs from ancient Cretaceous strata!
    Hot spring qualities
    Iodine-containing /Sodium-calcium-chloride enriched spring water(Hypertonicity, weak alkalinity, cold mineral spring)
    Characteristics
    【Source temperature】19.2℃(Temperature 25.5℃)/Temperature of the place of use: 42.0℃
    Efficacy
    neuralgia /muscle pain /joint pain /frozen shoulder /motor paralysis /joint stiffness /Bruise
    Bravery /chronic gastrointestinal disease /hemorrhoids /Sensitivity to cold /Recovery period after illness /Recovery from exhaustion
    Health promotion /cut /burn /chronic skin disease /frail children /Chronic gynecological disease

Hot Spring Overview

Number of baths

"Open-air bath] Man:2 woman:2 mixed bathing:0
[Indoor bath]Man:1 woman:1 Mixed bathing:0
[Sauna]Man:1 woman:1 Mixed bathing:0

Other bath facilities

Observation bath/Sauna(There is no water bath)

Bath usage conditions

There is a fee for private hot springs.
The large public bath is available until midnight the day after check-in, and from 5:30 to 8:30 the following morning.
Towels are provided in the rooms,
A new one will be provided at the front desk each time you use the large public bath.

Onsen tax

A hot spring tax of 150 yen for adults will be charged separately.