Reference price as of September 12, 2026 (stay date 2026-10-03). Please check the booking site for actual rates.
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forumWhat families say
Rakuten Travel rating 4.84 out of 5 (228 reviews). Guests praise the private-hire baths with their natural-stone open-air bath, the dishes the okami makes by hand from Minamiboso seafood such as spiny lobster and abalone, and the seaside setting wrapped in the sound of the waves and the starry sky. The pet wing and villa wing, where guests can stay with their dogs, are popular with families and dog lovers alike.
Kids Facilities
Private-hire baths Shiun no Yu and Kawaten no Yu (reservation required)
Private-hire baths Shiun no Yu and Kawaten no Yu (reservation required)
Two private-hire baths of different character. There is an indoor bath warm with wood and an open-air bath built with fine natural stone, and at night you can soak while looking up at the stars and listening to the waves. The two bathrooms, Shiun no Yu and Kawaten no Yu, can be booked for your family or close company alone. There is no communal bath or onsen on the property.
- •Available from 4 p.m. to 11 p.m., reserved in check-in order for 50 minutes to an hour per booking. Bathing in the morning is not possible
- •There is no communal bath or onsen on the property, so bathing means using the private-hire baths
The villa wing with a kitchen, and the separate-wing rooms
The villa wing with a kitchen, and the separate-wing rooms
The villa wing has a kitchen, cooking utensils, a microwave, a bath and a toilet, and sleeps 2 to 5 guests. There are also Japanese-style tatami rooms in the annex, including a spacious room of two connecting tatami rooms, and a pet wing where you can stay with your dog, so you can choose to suit your family and your travel style.
- •The villa wing comes with a kitchen, cooking utensils and a microwave (for 2 to 5 guests, with futon bedding)
- •Children's yukata are not provided, so please bring your own
The okami's handmade seafood dishes and kids' meals
The okami's handmade seafood dishes and kids' meals
Meals are made with fresh local seafood, each dish prepared with care by the okami (the inn's proprietress). Alongside indulgent plans featuring spiny lobster and abalone, à la carte options include a kids' meal and a fried-prawn set meal. Allergies can be accommodated if you get in touch in advance.
- •À la carte options such as the kids' meal (1,210 yen) must be reserved at least 3 days in advance
- •Allergies can be accommodated if you get in touch at least 3 days before your stay
- •Guests in the pet wing dine in their room, while guests in the annex's Japanese-style tatami rooms eat at the dining room Saicha
- •Bookings for children from age 0 up to elementary school age must be made in one of only two ways: as a child with meals and futon bedding, or as a child with futon bedding.
Categories
Overview
Asayuma no Ki is a seaside minshuku (a small Japanese-style guesthouse) about a 10-minute walk from Iwai Beach, wrapped in the sound of the waves and the starry sky. It has a main building, Japanese-style tatami rooms in the annex, a pet wing where you can stay with your dog, and a villa wing, so you can choose to suit your family and your travel style. Bathing is in private-hire baths with a natural-stone open-air bath and an indoor bath warm with wood; time slots are reserved in check-in order, so you have the bath to yourselves. Iwai Beach, shallow far out with gentle waves, is ideal for children to play in the water. The kitchen takes pride in handmade dishes using seafood from Minamiboso such as spiny lobster and abalone, and kids' meals and allergy accommodation can be arranged - an easygoing place for families.
A seaside minshuku standing near Iwai Beach in Minamiboso, Chiba, wrapped in the sound of the waves and the starry sky. It is about a 10-minute walk from Iwai Station, and alongside the Japanese-style tatami rooms typical of an old-fashioned minshuku it has a pet wing where you can stay with your dog and a villa wing. Many couples and families with children stay here. With a high Rakuten Travel rating of 4.84, it is a place to spend unhurried time in nature, within earshot of the surf.
Private-hire baths with a natural-stone open-air bath
The baths come in two types with distinct characters: an indoor bath warm with wood, and an open-air bath built with fine natural stone. There are two bathrooms, Shiun no Yu and Kawaten no Yu. At night you can soak while looking up at the stars and listening to the waves. They are available from 4 p.m. to 11 p.m., reserved in check-in order for 50 minutes to an hour per booking. Bathing in the morning is not possible. You can enjoy the bath just with family or close company, or on your own. Note that there is no communal bath or onsen on the property, so bathing means using the private-hire baths.
A choice of wings
Guest rooms come in three types: Japanese-style tatami rooms in the annex (three rooms - Rakkasei, Nanohana and Yuzu - including a spacious room of two connecting tatami rooms), a pet wing where you can stay with your dog (twin beds, washbasin, shower booth and toilet), and a villa wing with a kitchen (washbasin, bath, toilet, kitchen, cooking utensils and microwave; for 2 to 5 guests). Pets cannot stay in the annex's Japanese-style tatami rooms. Children's yukata are not provided, so please bring your own. The pet wing and the villa wing accept small and medium dogs and large dogs up to 35 kg, and a cage, bowls, toilet sheets and deodorizing spray are provided. A dog run and the open space by the shore give your dog room to roam.
Handmade seafood cooking
Meals are made with fresh local seafood, each dish prepared with care by the okami (the inn's proprietress). Alongside indulgent plans featuring spiny lobster and abalone, à la carte options include a kids' meal (1,210 yen), a fried-prawn set meal and a local-fish sashimi set meal, all to be reserved at least 3 days in advance. Allergies can be accommodated if you get in touch at least 3 days before your stay. Dinner is at 6 p.m. or 6:30 p.m., with last orders at 8 p.m., and breakfast is from 7 a.m. to 8 a.m. Guests in the pet wing dine in their room, while guests in the annex's Japanese-style tatami rooms eat at the dining room Saicha.
The beach and access
Iwai Beach, shallow far out with gentle waves, is within walking distance and ideal for children to play in the water. It is about a 10-minute walk from Iwai Station on the JR Uchibo Line, or about 5 minutes by car from the Kyonan-Tomiyama Interchange on the Tateyama Expressway. Parking is free for 10 cars. There is no shuttle.
This page is compiled from information on the official website and Rakuten Travel. Please check the official website or Rakuten Travel for the latest details.
Access & Information
| location_onAddress | 763 Hisaeda, Minamiboso, Chiba 299-2216 |
|---|---|
| directions_carAccess | About a 10-minute walk from Iwai Station on the JR Uchibo Line, or about 5 minutes by car from the Kyonan-Tomiyama Interchange on the Tateyama Expressway. There is no shuttle. |
| trainNearest station | Iwai Station |
| local_parkingParking | Free parking for 10 cars. |
| callPhone | +81-470-57-3906 |
| paymentsCards | VISA, JCB, American Express, Diners Club, Mastercard, Discover |
| languageOfficial site | https://asayumanoki.jp/open_in_new |
Map
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Reference price as of September 12, 2026 (stay date 2026-10-03). Please check the booking site for actual rates.
Frequently Asked Questions
What ages is Asayuma no Ki best suited to?
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It has facilities that work especially well for babies and toddlers (ages 0 to 2) and children aged 3 and over. There is no age limit, and families with children of any age can stay.
Is there parking at Asayuma no Ki?
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Parking: Free parking for 10 cars.
How do you get to Asayuma no Ki?
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About a 10-minute walk from Iwai Station on the JR Uchibo Line, or about 5 minutes by car from the Kyonan-Tomiyama Interchange on the Tateyama Expressway. There is no shuttle.
Are children's yukata provided?
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No. Children's yukata are not provided, so please bring your own.
Do babies and toddlers stay free when co-sleeping?
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No. Co-sleeping is not free for babies and toddlers; an accommodation rate is charged for them.
Where can we check the rates for children?
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The rates shown are reference rates for one adult, so you will need to check the booking page for children's rates.
Is this an easy place to stay with children?
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Many families with children stay here.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Jalan (last verified: August 2026). Prices, availability and seasonal operations change. Please check each booking site for the latest information.
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