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IKONASOU

Property class: 3
3-star spa ryokan in Izu Nagaoka Onsen

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

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
  • 42 sq m
  • 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
  • 20 sq m
  • 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

  • 22 sq m
  • 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
  • 20 sq m
  • 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

  • 20 sq m
  • 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
  • 42 sq m
  • 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
  • 30 sq m
  • 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

  • 21 sq m
  • 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

  • 21 sq m
  • 1 bedroom
  • Sleeps 4
  • 2 Large Twin Beds OR 2 Twin Futons

About the area

Izunokuni

Izu Nagaoka Onsen stay.Your stay at this Izu Nagaoka Onsen ryokan places you within 2 miles (3 km) of Ganjoju-in and Katsuragiyama Ropeway. Nirayama Reverberatory Furnace and Ao Terrace are also within 3 miles (5 km).

What's nearby

  • Katsuragiyama Ropeway - 3 min drive - 1.7 km
  • Ganjoju-in - 4 min drive - 2.0 km
  • Gotemba Premium Outlets - 53 min drive - 40.6 km
  • Lake Ashi - 53 min drive - 35.2 km
  • Sengokuhara Onsen - 56 min drive - 37.5 km

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

3-star spa ryokan in Izu Nagaoka Onsen
IKONASOU offers its guests hot springs. IKONASOU also features spa services and a garden. Free self parking is available.
  • 17 guestrooms or units
  • Breakfast available (surcharge)
  • Front desk (limited hours)
  • Garden
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.
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.
Shuzenji Onsen Katsuragawa
Izu
  • Parking included
  • Free WiFi
  • Restaurant
  • Air conditioning
4.5 out of 5, Wonderful, 176 reviews
The price is CA $238
CA $264 total
Oct 29 - Oct 30
Shuzenji Onsen Katsuragawa

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

Accessibility

  • No elevator

Room amenities

Entertainment

  • TV

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

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

  • No pets 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

Optional extras

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

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

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

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
Charges for extra guests may apply and vary according to property policy.
A cash deposit, credit card, or debit card for incidental charges and government-issued photo identification may be required upon check-in.
Special requests are subject to availability at the time of check-in. Special requests can't be guaranteed and may incur additional charges.
    This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession. Guests must contact this property in advance to reserve access to the public bathing facility. This property accepts Visa, Mastercard, American Express, Diners Club, JCB International, debit cards, and cash. For guests' safety, the property includes a fire extinguisher in each accommodation.

We should mention

  • Hot springs access available from 6:00 AM to midnight.
  • Reservations are needed for massage services and spa treatments. For reservations, contact the ryokan before arrival using the contact information on the 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.
  • 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

How close is IKONASOU to the airport?

IKONASOU is 46.7 mi (606-min drive) away from the Oshima Airport (OIM) airport, the closest popular airport to the property.

How much does it cost to stay at IKONASOU?

As of Oct 12, 2026, prices found for a 1-night stay for 2 adults at IKONASOU on Nov 2, 2026 start from CA $237, excluding 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.

Does IKONASOU have an airport shuttle?

Airport shuttle services are not available at IKONASOU.

How close is IKONASOU to the beach?

This ryokan is 15.1 mi (52-min drive) from Atami Sun Beach and 5.8 mi (20-min drive) from Ra Ra Ra Sun Beach. Don't forget your sunscreen!

Does IKONASOU offer free breakfast?

Free breakfast isn’t provided at IKONASOU, but Japanese breakfast is offered for a fee of between JPY 2000 and 3000 per person. It's available every day from 7:00 AM to 9:00 AM.

Is there a casino at IKONASOU?

No, there is no casino at this ryokan.

What time is check-in at IKONASOU?

Check-in start time: 2:00 PM; Check-in end time: 5:00 PM.

Is there free parking at IKONASOU?

This ryokan offers free self parking.

Does IKONASOU have a pool?

IKONASOU does not have a pool.

Does IKONASOU have a spa?

This ryokan doesn't have a spa, but it does offer facials, massages, and body treatments.

How close is IKONASOU to downtown Izunokuni?

IKONASOU is 1.9 mi away from 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