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IKONASOU

Property class: 3

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Photo gallery for IKONASOU

A traditional Japanese room with tatami flooring, a low table with cushions, and a sliding door.
A reception area with a wooden desk, a bench, and a patterned carpet.
A stone hot spring with a wooden ladder, surrounded by tiled walls and a bamboo fence.
A traditional Japanese building with a modern entrance, a parking area, and a clear sky.
A traditional Japanese-style room with two beds, a table, and tatami flooring.

Reviews

10 out of 10
Exceptional

Popular amenities

  • Spa
  • Parking included
  • Free WiFi
  • Air conditioning
  • Breakfast available

Explore the area

View in a map
243-3 Kona, Izunokuni, Shizuoka, 410-2201
  • Place, Katsuragiyama Ropeway
    ‪3 min drive‬
  • Place, Ganjoju-in
    ‪4 min drive‬
  • Place, Lake Ashi
    ‪53 min drive‬

Room options

View all photos for Deluxe Suite Standard Japanese-western Room Non-smoking Open-air Hot Spring Japanese Courtyard Garden Cypress Indoor Bath Far-infrared Sauna Asahi 106

A traditional Japanese-style room with two beds, a wooden floor, and a sliding door.

Deluxe Suite Standard Japanese-western Room Non-smoking Open-air Hot Spring Japanese Courtyard Garden Cypress Indoor Bath Far-infrared Sauna Asahi 106

  • Sleeps 7
  • 1 Double Bed

View all photos for Deluxe suite, Standard Japanese-western room, Non-smoking (Open-air hot spring + miniature garden + equipped with mist sauna Yuzuki 105)

A hotel room with two beds, a desk with a television, and a traditional Japanese-style ceiling.

Deluxe suite, Standard Japanese-western room, Non-smoking (Open-air hot spring + miniature garden + equipped with mist sauna Yuzuki 105)

  • Sleeps 7
  • 1 Double Bed

View all photos for Deluxe suite Japanese room, Non-smoking (12 tatami mats + private onsen bath, 1st-floor guest room ~ Kajo 104)

A wooden outdoor hot tub with a wooden deck and a stone pathway leading to it.

Deluxe suite Japanese room, Non-smoking (12 tatami mats + private onsen bath, 1st-floor guest room ~ Kajo 104)

  • Sleeps 7
  • 1 Double Futon

View all photos for Deluxe Room, Non Smoking, Garden View

A traditional Japanese room with tatami flooring, a low table, and shoji screens.

Deluxe Room, Non Smoking, Garden View

  • Garden view
  • 451 sq ft
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

View all photos for Deluxe Room, Non Smoking, Garden View

A traditional Japanese room with tatami flooring, a low table with cushions, and a sliding door.

Deluxe Room, Non Smoking, Garden View

  • Garden view
  • 215 sq ft
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

View all photos for Deluxe Room, Non Smoking, Garden View

A traditional Japanese room with tatami flooring, a low table with benches, and a sliding door leading to a garden.

Deluxe Room, Non Smoking, Garden View

  • 236 sq ft
  • 1 bedroom
  • Sleeps 3
  • 3 Twin Futons

View all photos for Deluxe Room, Non Smoking, Garden View

A hotel room with a bed, a desk, and a view of the outside.

Deluxe Room, Non Smoking, Garden View

  • Garden view
  • 215 sq ft
  • 1 bedroom
  • Sleeps 4
  • 2 Large Twin Beds and 2 Twin Futons

View all photos for Deluxe Room, Non Smoking, Garden View

A traditional Japanese-style bedroom with a large bed, a small table, and a view of the outside through a sliding door.

Deluxe Room, Non Smoking, Garden View

  • 215 sq ft
  • 1 bedroom
  • Sleeps 4
  • 2 Large Twin Beds and 2 Twin Futons

View all photos for Executive Room, Non Smoking, Garden View

A traditional Japanese room with tatami flooring, a low table with cushions, and sliding doors.

Executive Room, Non Smoking, Garden View

  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

View all photos for Economy Room, Non Smoking

A traditional Japanese room with tatami flooring, a low table, and shoji screens.

Economy Room, Non Smoking

  • Garden view
  • 451 sq ft
  • 1 bedroom
  • Sleeps 6
  • 6 Twin Futons

View all photos for Economy Room, Non Smoking

A traditional Japanese room with tatami flooring, a low table with chairs, a shoji screen, and a hanging scroll.

Economy Room, Non Smoking

  • Garden view
  • 323 sq ft
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

View all photos for Economy Room, Non Smoking

A traditional Japanese room with tatami flooring, a low table with chairs, sliding doors, and a window with shoji screens.

Economy Room, Non Smoking

  • 226 sq ft
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Futons

View all photos for Economy Room, Non Smoking

A traditional Japanese-style room with two beds, a table, and tatami flooring.

Economy Room, Non Smoking

  • 226 sq ft
  • 1 bedroom
  • Sleeps 4
  • 2 Large Twin Beds OR 2 Twin Futons

About the neighborhood

Izunokuni

Located in Izu Nagaoka Onsen, IKONASOU is within a mile (2 km) of sights such as Ganjoju-in and Katsuragiyama Ropeway. This 17-room, 3-star ryokan has indoor private hot tubs along with free in-room WiFi and free self parking.

What's nearby

  • Katsuragiyama Ropeway - 3 min drive - 1.1 miles
  • Ganjoju-in - 4 min drive - 1.3 miles
  • Atami Sun Beach - 44 min drive - 14.9 miles
  • Gotemba Premium Outlets - 53 min drive - 25.3 miles
  • Lake Ashi - 53 min drive - 21.9 miles

Getting around

  • Izunagaoka Station - 18 min walk
  • Haneda Airport (HND) - 154 min drive

Restaurants

  • ‪ひょうたん寿司 - ‬14 min walk
  • ‪王道鈴家 - ‬15 min walk
  • ‪桜鮨 伊豆長岡店 - ‬11 min walk
  • ‪一匹の鯨 - ‬12 min walk
  • ‪あやめ寿し - ‬3 min walk

About this property

IKONASOU

Guests of IKONASOU have access to spa services and a garden. You can take advantage of free parking if you drive. Staff members can answer questions about accommodations, and also provide front-desk service during limited hours.
Guests can expect to find TVs and stay connected with free WiFi. Bathrooms offer spring water baths, hair dryers, and designer toiletries. Indoor private hot tubs and toothbrushes and toothpaste are also standard. Housekeeping is available on request.
The recreational activities listed below are available either on site or nearby; fees may apply.
Guests can pamper themselves by indulging in the onsite spa services. Services include facials and body treatments. A variety of treatment therapies are provided, including aromatherapy.

Private bath/onsen services include an outdoor private onsen (in communal space). Public bath/onsen services include an indoor mineral hot springs (Japanese-style onsen) and a yukata (Japanese robe). These services feature shared men and women areas. There are 2 indoor hot springs and 2 outdoor hot springs open between 6:00 AM and midnight.

Similar properties

A stone hot spring bath with a wooden bench and a bamboo fence in the background.
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  • Parking included
  • Free WiFi
  • Restaurant
  • Air conditioning
9.0 out of 10, Wonderful, 165 reviews
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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • In-room WiFi speed: 25+ Mbps

Parking and transportation

  • Free uncovered self parking on site

Food and drink

  • Daily Japanese breakfast available 7:00 AM to 9:00 AM for a fee: JPY 2,000 to 3,000 per person
  • Kaiseki meal

Things to do

  • 4 indoor/outdoor hot springs

Conveniences

  • Limited-hour front desk

Guest services

  • Change of bedsheets (on request)
  • Change of towels on request
  • Housekeeping (on request)

Outdoors

  • Garden

Spa

  • 2 indoor hot springs
  • 2 outdoor hot springs
  • 4 indoor/outdoor hot springs
  • Aromatherapy
  • Facials
  • Hot springs open from 6:00 AM - midnight
  • Massage
  • Private outdoor onsen (mineral springs) in communal space
  • Public indoor mineral hot springs (onsen)
  • Public outdoor mineral hot springs (onsen)
  • Shared men and women areas
  • Yukata (Japanese robes)

Accessibility

  • No elevator

More

  • Genkan (entryway)

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Designer toiletries
  • Hair dryer
  • Private bathroom
  • Shampoo
  • Shower/bathtub combination
  • Slippers
  • Soap
  • Spring water bathtub
  • Toilet paper
  • Toilet with electronic bidet
  • Toothbrush and toothpaste
  • Towels provided

Entertainment

  • TV

More

  • Air conditioning
  • Fusuma (room partition)
  • Geta (wooden sandals)
  • Heating
  • Tatami (woven mat) flooring

Policies

Check-in

Check-in start time: 2:00 PM; Check-in end time: 5:00 PM
Minimum check-in age: 18

Check-out

Check-out before 10:00 AM

Special check-in instructions

The front desk is open daily from 7:00 AM - 7:30 PM
Front desk staffed during limited hours
This property doesn't offer after-hours check-in
Information provided by the property may be translated using automated translation tools

Access methods

Front desk (limited hours)

Pets

  • This property doesn't allow pets

Property payment types

  • American Express
  • Diners Club
  • JCB International
  • Mastercard
  • Visa

Important information

Optional extras

These fees and deposits will be charged at check-in, check-out, or the time of service.

  • Fee for Japanese breakfast: approximately JPY 2000 to 3000 per person

This list may not be comprehensive. Fees and deposits might not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
Guests must contact this property in advance to reserve access to the public bathing facility
This property accepts credit cards, debit cards, and cash
Safety features at this property include a fire extinguisher
  • Check-in: 2:00 PM
  • Check-out: 10:00 AM
  • Minimum check-in age: 18
The front desk is available during limited hours. Driving? This property offers free parking.

We should mention

Details about charges, deposits, or other important information:

  • This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession.
  • Charges for extra guests may apply and vary depending on the property's policy.
  • A cash deposit, credit card, or debit card for incidental charges, as well as a government-issued photo ID, may be required at check-in.
  • Special requests are subject to availability at the time of check-in and can't be guaranteed. Certain requests may come with additional charges.
  • Guests must contact this property in advance to reserve access to the public bathing facility.
  • This property accepts credit cards, debit cards, and cash.
  • Onsite safety features include a fire extinguisher.

Additional information about polices, regulations, and more:

  • Hot springs access available from 6:00 AM to midnight.
  • Reservations need to be made in advance for massage services and spa treatments. Contact the ryokan at the phone number listed on your booking confirmation.
  • As required by the Japanese Ministry of Health, Labour, and Welfare, all international visitors must submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ). Also, it's required that lodging proprietors photocopy the passports of all registering guests and keep the photocopy on file.
  • There are no elevators.
  • No cribs or infant beds are available.
  • No rollaway or extra beds are available.
  • Please note that some properties do not permit guests with tattoos to use the onsite public bathing facilities.

Property is also known as

IKONASOU Ryokan
IKONASOU Izunokuni
IKONASOU Ryokan Izunokuni

Frequently asked questions

What is there to do close to IKONASOU?

This ryokan is situated in Izu Nagaoka Onsen, close to Katsuragiyama Ropeway, Izu-Mito Sea Paradise, and Shuzenji Nijino Sato. You'll also find Fuji-Hakone-Izu National Park and Ao Terrace within a short drive.

How much does it cost to stay at IKONASOU?

As of Sep 26, 2026, prices found for a 1-night stay for 2 adults at IKONASOU on Sep 29, 2026 start from $145, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

Is there a spa at IKONASOU?

Spa services at the ryokan include aromatherapy, massages, and body treatments.

Does IKONASOU have a casino on the premises?

No, IKONASOU doesn't have a casino.

Is there an indoor pool at IKONASOU?

No, there is no indoor pool on site; however, each accommodation at this ryokan features an indoor private hot tub.

Does IKONASOU have a restaurant with a breakfast menu?

IKONASOU offers Japanese breakfast each morning for a surcharge though there is no restaurant.

Does IKONASOU allow pets to stay free of charge?

No, pets aren't allowed at IKONASOU.

What is the closest airport to IKONASOU?

The closest major airport to IKONASOU is Oshima Airport (OIM), which is about 29.8 mi away.

IKONASOU Reviews

Reviews

10

Exceptional

Rating 10 - Excellent. 1 out of 1 reviews
Rating 8 - Good. 0 out of 1 reviews
Rating 6 - Okay. 0 out of 1 reviews
Rating 4 - Poor. 0 out of 1 reviews
Rating 2 - Terrible. 0 out of 1 reviews

10/10

Cleanliness

10/10

Staff & service

10/10

Amenities

10/10

Property conditions & facilities

Reviews

Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We stayed in rm 106 it was awesome it had a sauna, private outdoor Onsen, with hot spring water and a wooden soaker tub. Tatoos allowed in the public Nonsense. If you get a smaller room they have 2 private Onsens that can be reserved. Traditional Japanese Breakfast was great. We will stay again.
Stayed 1 night in May 2026

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