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.

Notice of chartered observation bath maintenance

  • Notice of private observation bath maintenance closure

    The private observation bath will be closed from October 18th (Monday) to 20th (Wednesday) due to urgent maintenance.

News of Atami Seaside Fireworks Show

  • News of Atami Seaside Fireworks Show

    Atami Fireworks Festival will be held
    Saturday, October 23, 20:00 to 20:40(5,500 scheduled)
    October 30(Saturday)
    November 7th (Sunday) 20th (Saturday) 21st (Sunday) 27th(Saturday)
    December 5th (Sunday) 12th (Sunday) 18th (Saturday) 25th(Saturday)
    Scheduled for 20:20 to 20:40 each on Sunday, January 9th and Saturday, January 15th, 2022
    It may be changed or canceled depending on the infection status of the new coronavirus.


  • Notifications

    This facility is a "Fuji no Kuni Safety and Security Certification System" certified facility.We are implementing infection control measures and "guidelines for dealing with new coronaviruses in accommodation facilities".We apologize for the inconvenience, and we appreciate your understanding and cooperation.

                  Ajiro Isofune Hotel
  • GoTo Travel Campaign

    "About GoTo Travel Campaign"※It will be suspended for the time being from December 28, 2020.
    Customers making reservations from the website should go to the STAYNAVI service after making a reservation to apply for the GoTo Travel Campaign Discount.After issuing the discount coupon at STAYNAVI, the discount will be applied by presenting the coupon number at the front desk on the day.We recommend that you print it out and bring it with you.(Regional common coupons have been distributed since October 1st.)
    STAYNAVI (Discount coupon issue page) Please move from the link at the bottom right.
    Regional coupons can be used at this facility.

Infection prevention measures, etc.

  • Cleaning/disinfection of the facility and confirmation of customer's health

    【Cleaning/disinfection of the facility】
    〇We disinfect areas such as elevators where people come into frequent contact with disinfectants on a regular basis.
    〇The interior of the guest room is wiped and disinfected with a disinfectant when cleaning the guest room.
    【Check your health】
    〇All guests staying at the hotel are requested to measure temperature and verify their identity at check-in.
    〇If you have a fever or a cold, consult the nearest public health center and take appropriate measures.
     I will take it.
    〇Please read the "matters that travelers must observe" in the guest room.
  • Correspondence in this facility

    【Response within the facility】
    〇Alcohol is installed at the entrance.We ask that you disinfect your fingers when entering the building.
    〇At the restaurant, we are taking measures such as separating the tables and seats.
    〇Disinfectant is placed everywhere in this facility.
    〇To ventilate the facility at any time, outside air is introduced by opening windows and doors.
    〇During your stay, please wear a mask and disinfect your fingers in public spaces.
    〇We have a shield at the front desk.
    〇Employees wear masks during work.
    〇The karaoke room will be closed for a while.

GoToEat meal voucher available

  • Shizuoka Prefecture GoToEat meal voucher available

    From October 26th, Fuji no Kuni Shizuoka Prefecture GoToEat Meal Ticket (red) Shizuoka Chamber of Commerce and Industry GoToEat Meal Ticket (blue) will be available.

Notice of closed days in October

  • Notice of closed days in October

    Thank you for your patronage to the "bath of Ajiro Isofune Hotel"Ajiro Isofune Hotel, "Ajiro Cafeteria", and "private view bath."We will be closed in October on the following dates.Please note that the "private observation bath" may change the business hours the day before the closed day.Closed days may be changed or added.
    October 6th (Wednesday) 13th (Wednesday) 19th (Tuesday) 20th (Wednesday) 27th(Wednesday)
    ※Answering machines will be available on closed days, and we will reply to you after the closed day.Also, please understand that it will take some time for inquiries by e-mail.


  • 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?

    ※The karaoke room will be closed for a while.
  • 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 sesame soy sauce bowl ¥ 1,800(tax included)

  • Red meat and Negitoro tuna two-color bowl ¥ 1,750(tax included)

To our guests

  • Change of pick-up time

    Thank you for using Ajiro Cafeteria, Ajiro Isofune Hotel, 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】※Meal plan only Assorted sashimi,Fried food,Boiled gold,rice,miso soup,Pickled Vegetables,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.