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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 sliding doors.
A traditional Japanese room with tatami flooring, a low table, and a television.
A hot spring bath area with stone walls, wooden benches, and a small waterfall feature.
A traditional Japanese room with tatami flooring, a low table, and four bamboo chairs.
A traditional Japanese building with a modern entrance, a parking area, and a clear sky.

Reviews

10 out of 10
Exceptional

Popular amenities

  • Spa
  • Parking included
  • Free WiFi
  • Air conditioning
  • Breakfast available
The current price is $155
$141 nightly
$155 total
Oct 27 - Oct 28

Explore the area

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

Room options

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

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About the neighborhood

Izunokuni

With a stay at IKONASOU in Izunokuni (Izu Nagaoka Onsen), you'll be within a 10-minute drive of Fuji-Hakone-Izu National Park and Katsuragiyama Ropeway. .This spa ryokan is 17.1 mi (27.5 km) from Lake Ashi and 15.1 mi (24.3 km) from Atami Sun Beach.

What's nearby

  • Katsuragiyama Ropeway - 2 min drive - 1.3 miles
  • Ganjoju-in - 4 min drive - 1.3 miles
  • Lake Ashi - 42 min drive - 17.7 miles
  • Hakone Shrine - 51 min drive - 20.0 miles
  • Ōwakudani - 60 min drive - 29.5 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
  • ‪フォーテューナ - ‬8 min walk
  • ‪あやめ寿し - ‬3 min walk

About this property

IKONASOU

IKONASOU offers 17 air-conditioned accommodations with indoor private hot tubs and slippers. Guests can surf the web using the complimentary wireless Internet access (speed: 25+ Mbps). Bathrooms include shower/tub combinations, spring water baths, designer toiletries, and toilets with an electronic bidet. Additionally, rooms include hair dryers and complimentary toiletries. Change of towels and change of bedsheets can be requested. Housekeeping is provided 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.

Make yourself at home in one of the 17 air-conditioned rooms featuring indoor private hot tubs. Complimentary wireless internet access is available to keep you connected.
Treat yourself with massages, body treatments, and facials.
Japanese breakfasts are available daily from 7:00 AM to 9:00 AM for a fee.
The front desk is staffed during limited hours. Free self parking is available onsite.
Japanese breakfasts are available for a surcharge and are served each morning between 7:00 AM and 9:00 AM.

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

Pets not allowed

Children and extra beds

Children are welcome
Rollaway/extra beds are not available
Cribs (infant beds) are not available

Property payment types

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

Important information

Fees

You'll be asked to pay the following charges at the property. Fees may include applicable taxes:

  • A bathing tax, collected at the property, may be charged. The bathing tax applies to properties with hot springs and ranges from JPY 150-500 per person, per night based on local regulations. Please note that further exemptions may apply.

We have included all charges provided to us by the property.

Optional extras

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

The above list may not be comprehensive. Fees and deposits may 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

We should mention

This property does not have elevators
Hot springs access available from 6:00 AM to midnight
Reservations are required for massage services and spa treatments; reservations can be made by contacting the property prior to arrival, using the contact information on the booking confirmation
The Japanese Ministry of Health, Labour, and Welfare requires all international visitors to submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ); additionally, lodging proprietors are required to photocopy passports for all registering guests and keep the photocopy on file
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

IKONASOU Reviews

Reviews

10

Exceptional

Rating 10 - Excellent. 2 out of 2 reviews
Rating 8 - Good. 0 out of 2 reviews
Rating 6 - Okay. 0 out of 2 reviews
Rating 4 - Poor. 0 out of 2 reviews
Rating 2 - Terrible. 0 out of 2 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
施設は古いけれど、客室も広くて、気持ちの良い温泉。 また、行きたい。
Stayed 1 night in Oct 2026
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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