Izu's Ajiro Onsen “Isofune” is home to a “one-day hot spring” and a private source “Kakeshi no Yu” that changes in seven colors.

【Official】Ajiro Isofune Hotel

“Isofune” in Isofune, Ajiro, Atami City, Shizuoka Prefecture, is an inn with a private hot spring bath that flows in seven colors.
【Private outdoor bath with sea view】There is a private outdoor bath 6 that you can use as a day-trip hot spring.
【Ajiro Cafeteria】Please go to restaurants popular with sashimi set menu and seafood bowl.


  • Notifications

    Daily Thank you for your patronage to "seafood Isofune of hot water seafood and food", Ajiro Cafeteria"chartered outlook bath".Atami hotel was closed from April 21st to May 20th due to Atami City's request for closure, but we will resume business from May 21st.Also, please understand that business hours may change for a while.Guests staying until July 12 will be limited to 5 groups per day.We dispose of disinfectant solution in this facility, disinfect each place and wear masks of staff.Please wear a mask and disinfect at the entrance when you come to the hotel.We apologize for the fever and those who are not in good physical condition, but please refrain from visiting.

Notice of closed days in July

  • Notice of closed days in June

    Thank you for your patronage to the "bath of Ajiro Isofune Hotel"Ajiro Isofune Hotel, "Ajiro Cafeteria", and "private view bath."In July, we will be closed on the following schedule.Please note that the "private observation bath" may change the business hours the day before the closed day.
    Wednesday, July 1 8th (Wednesday) 17th (Wednesday) 21st(Tuesday)

Atami Seaside Fireworks Show restart notice

  • Atami Seaside Fireworks Show restarted

    The Atami Seaside Fireworks Show, which had been canceled until July due to the influence of the new coronavirus, will be restarted from August 5.It will be held on August 5, 18, 21, 23 and 27.It may be changed or canceled depending on the situation, so we will inform you on the HP each time.Please also see the website of Atami Tourism Association.


  • Banquet Hall

    You can use it not only for enjoyable trips but also for gatherings and legal matters.We will prepare according to the number of people and budget, so please do not hesitate to contact us.
  • karaoke

    Chara karaoke rooms are also available.
    Will not you show off your throat, everyone else?
  • Shop "Souvenir shop"

    Local manager's service manager Ichioshi! How about sipping delicious dried fish outstandingly as a souvenir?
    We are also offering great deals, so please feel free to drop in.
    Besides dried fish, it is a souvenir shop where you can find delicious items of Izu.
To facility page


Google Map

Hotel Name

Ajiro Isofune Hotel


Ajiro, Atami City, Shizuoka Prefecture shaped Ajiro Mountain 627-506

Telephone number



7 minutes by car from JR Ajiro Station

Pick-up presence (condition)
To the transportation page

Limited Offer! Recommended menu

  • Sea bream with sesame oil, ¥ 1,600 (tax excluded)

  • Red meat and green onions, tuna 2 colors ¥ 1,600 (tax excluded)

To our guests

  • Change of pick-up time

    Thank you for using Ajiro Cafeteria and Ajiro Isofune Hotel.
    The pick-up time for guests staying at the Ajiro Station by train is as follows.
    ① 14: 00
    ②15: 21
    ③ It will be 16: 20.
    Please make a reservation and use it.
    ※Please note that you can not wait at the station if there is no reservation.For other times please use public transport.We appreciate your inconvenience but we appreciate your understanding.Manager

【Limited to Weekdays】One-day hot spring plan

  • It is limited on weekdays.

    It is "day trip hot spring plan" only on weekdays.The room can be used up to 5 hours between 11: 00-16: 00.Please take a look at the private bath and relax in the room.

    ※There is no bath in the room. We can not use large bath, so please understand.
  • Details of the plan

    We prepared two types of lunch with plan and no meal plan.

    ●Meal plan -·¥ 7,500 per person(tax included)

    ●No meal plan · · ··¥ 4,000 per person(tax included)

    【Room】Japanese-style room 12.9 square meters, tv set, Air condition, With air purifier

    【Amenities】yukata, Bathhaol, towel, Shaving, brush

    【Meal】※Only meal plan, sashimi assortment, tempura sashimi, boiled gold eyes, rice, miso soup, vegetable pickles, dessert,※It becomes a meal at "restaurant".Please understand that there is no provision to the room.

    【Bath】Ajiro Cafeteria is the use of "charter view bath" on the second floor of the Ajiro Cafeteria. The bathing time is one hour.

  • Reservation and remarks

    【Reserve】Please make a reservation by phone directly by 17:00 two days before use.We do not accept reservations with e-mail etc.(Reserve·Inquiry time 10:00 to 15:00)

    【Notes】Credit cards can not be used.There is no preparation of the futon.We do not accept food and drink into your room.We do not transfer.

Recruiting staff

  • Recruiting staff

    Part-time, part-time and full-time employees are recruiting jobs. Please do not hesitate to contact us.

Reserve·Contact us

Please feel free to contact us if you have any questions.