A private residence overlooking the warm seas of Southern Boso, just about an hour from the city center.

“Cap Martin Funny House” is a resort-like retreat inspired by the beautiful village of Cap Martin in the South of France, surrounded by clear seas, blue skies, and the scent of nature. The fully glass-fronted structure facing the ocean bathes in warm sunlight during the day and transforms into a lantern floating on the sea with enchanting lights at night. Located about an hour from the city center, this private residence overlooking the mild southern Boso coastline offers a serene and elegant getaway.

Reviews

(4)
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Facilities and Services

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  • Pet-friendly
Sauna / Outdoor pool
IN15:00~18:00
OUT11:00
Number of rooms1 room
PetPermitted
Your childPermitted

Notice from the Accommodation

【Sauna Installation Notice】
A barrel sauna is now available on the balcony!
Experience ultimate relaxation in a private space.

【Accommodation Details】
Guests may bring one small dog (or cat).
Enjoy a wonderful time with your beloved pet.

Maximum capacity: 4 guests
Children aged 10 and above are charged as adults.
Up to 2 children under the age of 10 can stay for free.

【Check-in Procedure】
Our staff will welcome you on-site, guide you through the facility, and hand over the keys.
*Please contact us by phone if there are any changes to your arrival time.

*Swimwear is required when using the pool or sauna.

  • Vacation rental
  • 150㎡
  • Capacity 1~5 people

【Standard】<2 persons> Maximum 4 persons

IN 15:00~18:00
OUT 11:00
¥100,000
No meals ; 2 peopleTax included¥90,250
(USD 570.28)

[Dinner and Breakfast Included] <Dinner> Premium BBQ Set <Breakfast> Hot Sandwich Set

IN 15:00~18:00
OUT 11:00
¥125,000
Dinner and Breakfast included ; 2 peopleTax included¥112,815
(USD 712.87)

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Introduction of the Accommodation

Living Room

"CAP MARTIN Funny House," a resort-style destination born in a beautiful village reminiscent of the South of France (CAP MARTIN), surrounded by clear seas, blue skies, and the scent of nature.

The fully glass-fronted structure facing the sea bathes in warm sunlight during the day and transforms into a magical, lantern-like vision floating on the water at night. Located about an hour from the city center, this private residence with its striking hexagonal modern architecture offers a serene and elegant getaway.

Beach

A private residence that combines a warm wooden structure with stylish interiors, offering a hidden retreat.

Relax on a private patio away from prying eyes, or enjoy the front yard equipped with a dog run for your beloved pet. Surrounded by the scent of nature, with clear blue skies, a pristine sea, and refreshing breezes, indulge in a rejuvenating and soothing experience for both body and mind.

Exterior

Unique ways to enjoy CAP MARTIN Funny House

Not only for holidays, but also ideal for corporate training and seminars. After work, enjoy BBQs or relax in the private garden. Equipped with Wi-Fi, perfect for a workation.

Group Hotel List

Facilities and Equipment of Accommodation

  • The room
    The room
  • Hot Springs & Baths
    Hot Springs & Baths
  • Surroundings & Others
    Surroundings & Others
  • Meal
    Meal

Basic Information

Card information
VISA / MASTER / JCB / AMEX / DINERS
Pets
Permitted
※ Only one small dog is allowed to stay. ※ Meals are not provided, so please bring your own. ※ A cage, toilet sheets, and dishes are available; however, we recommend bringing items your pet is accustomed to using. ※ Only indoor pets that have received a rabies vaccination within the past year and do not have excessive barking or biting habits are permitted. ※ In case of damage or soiling caused by the pet to the facility, furniture, or equipment, compensation may be charged accordingly. ※ We cannot be held responsible for any unforeseen accidents such as injuries, death, theft, or escape of pets within the facility due to unavoidable circumstances.
BreakfastThere is no information about breakfast.
Your child
You can stay.
Guests aged 10 and above are considered adults and will be charged the same rate as adults. Up to two children under the age of 10 can stay for free. For each additional child, a fee of 5,000 yen per person will apply.
Room service
Not available
Common amenities
  • ○ Shampoo · conditioner
  • ○ Body soap · soap
  • ○ Towel · Bath towel
  • ○ Face towel
  • ○ Bath towel
  • ○ Body towel · sponge
  • ○ Toothbrush set
  • ○ Comb · Brush
  • × Shower cap
  • ○ Hair dryer
  • × Shaving
  • × Shaving Gel/Foam
  • × Bath additives
  • × Yukata
  • × Nightwear
  • × Bathrobe
  • ○ Slippers
  • × facial cleanser
  • × Toner
  • × Lotion
  • × Makeup remover
  • ○ Cotton swab
  • ○ Cotton
  • × Clothing deodorizing spray
  • ○ Refrigerator
  • × Minibar
  • ○ Electric kettle
  • × Tea set (free)
  • × Television
  • × Safe
  • × Scale
  • × Trouser press
  • × Free morning edition
  • × Pay-per-view broadcast
  • × Satellite broadcasting
  • × Video on Demand
  • × Radio
  • × CD player
  • × DVD player
  • × Blu-ray player
  • ○ Speakers for portable audio
  • × In-room PCs and tablets
  • ○ Microwave oven
  • ○ Tableware
  • ○ Washing machine
  • × Dryer
Facilities and Features
  • ○ Entire building rental
  • ○ With kitchen
  • × Housekeeping service available for consecutive nights
  • ○ With a washing machine.
  • ○ Multiple bedrooms
  • × Supermarket nearby
  • × Within walking distance of the station
  • ○ Parking available
  • × Meal service available
  • × Catering
  • ○ Outside food allowed
  • × Hot spring available
  • ○ Swimming pool available
  • × Barrier-free
  • ○ Pet-friendly
Outdoor pool
Available period
4/25/2026~9/30/2026
Business Hours
00:00~20:00
Final admission time
---
Fee(Guest)
Free
Fee(Non-guest)
---
Children's pool
None
Age restriction
Pool shape
Rectangular
Pool size
Length 8m
Width 3m
Water depth 110cm
Equipped with a circulation and filtration system
Esthetic Massage
None
Fitness gym
None
SaunaAvailable
Hot stone spaNone

Reviews

The overall facility score is not displayed because the required number of reviews has not been reached.

*Reviews that have been translated from Japanese.*

*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*

Access Information

Address
Chiba Prefecture261-5 Iwaifukuro, Kyonan-machi, Awa-gun
TEL:+81-45-211-5366

<By Car>
Take the Tokyo Bay Aqua-Line and exit at Futtsu-Tateyama Road "Kyonan-Tomiyama IC."
From Kyonan-Tomiyama IC, proceed to Route 127. Turn right at "Tateyama Fire Station Kyonan Branch," pass by "Iwai Fukurow Baseball Field," then turn left, go through the tunnel, and continue straight. Shortly after, you will see "CAP MARTIN Funny house" on your right.

<By Train>
Approximately 5 minutes by car from JR Iwai Station.

Parking Information
Fee
Free for guests
Parking time
---
Parking space
No restrictions
Number of parking spaces
2 cars available outdoor
Valet service
Unavailable

Pickup and drop-off information
Unavailable

Frequently Asked Questions

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