Reference price as of September 19, 2026 (stay date 2026-10-10). Please check the booking site for actual rates.
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forumWhat families say
Rakuten Travel rating 4.05 out of 5 (2,027 reviews). Guests praise the views of the sea and the sunset from Chukuu no Yu, the natural onsen with a view on the top floor - the 12th, 40 m above ground - along with the location within walking distance of the shore and the breakfast buffet of 30 Japanese, Western and Chinese dishes. Families also value the condominium style, with a kitchen in every room, which lets them stay as if they live there.
Kids Facilities
Chukuu no Yu, the natural onsen with a view (top floor, 12th floor)
Chukuu no Yu, the natural onsen with a view (top floor, 12th floor)
A communal bath with a view on the top floor - the 12th, 40 m above ground. It looks out over the sandy beach of Iwai, running about 2 km, and the sun setting into the horizon, and on clear mornings the view reaches as far as Mount Fuji and the Izu Peninsula. The spring source is Minamiboso Iwai Onsen, and the spring water is a simple onsen, gentle even for babies. You can take an unhurried soak while gazing out at the sea.
- •Hours are 6 a.m. to 10 a.m. and 3 p.m. to midnight. It cannot be used before check-in, and day-use bathing is not available
- •Children who are not yet out of diapers cannot use the communal bath. Please use the bath in your guest room
- •Guests with tattoos are not permitted to bathe
Condominium rooms with a kitchen
Condominium rooms with a kitchen
Condominium-style guest rooms, each with a kitchen, cooking utensils, tableware, a refrigerator, a microwave, a rice cooker and a kettle. You can cook for yourselves with ingredients you bring in, buying groceries at the supermarket and convenience store within walking distance and settling in as if you live there. You can choose a room to suit your family, such as the Ocean View Room with a semi-open-air bath or the 2LDK Grand View Room.
- •Every room has a kitchen, cooking utensils and tableware, and cooking for yourselves is possible (no seasonings are provided)
- •Only the Bath View Room has a compact kitchen, so it suits simple cooking
Children's amenities available to borrow
Children's amenities available to borrow
Children's amenities and items are provided so that families with children can spend their stay with peace of mind. Items available in limited numbers should be requested when you book.
- checkChildren's chair
- checkToilet-training seat
- checkBaby soap
- checkBaby bath
- checkBed-wetting sheet
- checkStep stool
- •Items available in limited numbers must be requested when you book
Breakfast buffet with 30 Japanese, Western and Chinese dishes, and dinner delivered to your room
Breakfast buffet with 30 Japanese, Western and Chinese dishes, and dinner delivered to your room
Breakfast is served daily in the first-floor restaurant as a buffet of 30 Japanese, Western and Chinese dishes. Guests praise the morning coffee sold direct by a local coffee shop and the dried Boshu local fish that you grill yourself. For dinner there is a Japanese set meal with a funamori boat-shaped platter, as well as a plan for tasting A5 Kuroge Wagyu and Chiba Senba beef side by side, and it is delivered to your room.
- •The breakfast buffet runs from 6:30 a.m. to 9 a.m., with last entry at 8:45 a.m. on a first-come basis
- •Dinner is delivered to your room from 5:30 p.m. to 8 p.m., limited to 20 guests a day, with orders accepted up to 3 days in advance. Elementary school children are served a kids' plate and sashimi, and children under school age a kids' plate
Categories
Overview
Grand View Iwai is a condominium-style resort hotel within walking distance of Iwai Beach, with a kitchen, cooking utensils, a microwave and a rice cooker in every room. Chukuu no Yu, the natural onsen with a view on the top floor - the 12th, 40 m above ground - looks out over the sandy stretch of Iwai Beach and the sun setting into the horizon, and on clear mornings the view reaches as far as Mount Fuji and the Izu Peninsula. Children's chairs, baby baths, toilet-training seats and other items are available to borrow. Breakfast is a buffet of 30 Japanese, Western and Chinese dishes, while dinner is delivered to your room. It is a family-friendly place where you can stay as if you live there.
Grand View Iwai is a condominium-style resort hotel standing near Iwai Beach in Minamiboso, Chiba, with a kitchen in every room. It has won a Rakuten Travel Award for 8 consecutive years, from 2017 to 2024, and its 57 rooms range from ocean-view types to rooms for business travelers. It is a 7-minute walk from Iwai Station, so access is easy, and it is a place where you can stay by the sea as if you live there.
Chukuu no Yu, the Top-Floor Natural Onsen with a View
The bath is Chukuu no Yu, a communal bath with a view on the top floor - the 12th, 40 m above ground - where you can take in the sandy beach of Iwai, running about 2 km, and the sun setting into the horizon. On clear mornings the panorama is spectacular, reaching as far as Mount Fuji, Oshima and the Izu Peninsula. The spring source is Minamiboso Iwai Onsen, and the spring water is a simple onsen, gentle even for babies. It is heated to keep it at a temperature suited to bathing, and recirculating filtration and chlorine-based disinfectant are used for hygiene management. Hours are 6 a.m. to 10 a.m. and 3 p.m. to midnight; it cannot be used before check-in, and day-use bathing is not available. Children who are not yet out of diapers cannot use the communal bath, so they use the bath in the guest room instead. Guests with tattoos are not permitted to bathe.
Condominium Rooms with a Kitchen in Every Room
Room types are varied: the Grand View Room (a 2LDK Japanese-Western room with two bedrooms plus a living-dining-kitchen area), the popular Ocean View Room with a semi-open-air bath, Ocean View Rooms in both Japanese-style tatami and Western styles, Standard rooms and Economy rooms. Every room comes with a kitchen, cooking utensils, tableware, a refrigerator, a microwave, a rice cooker and a kettle, so you can cook for yourselves with ingredients you bring in (only the Bath View Room has a compact kitchen, suited to simple cooking; no seasonings are provided). There is a supermarket and a convenience store about a 10-minute walk from Iwai Station, which also suits long stays and workations. All guest rooms are non-smoking.
Rentals and Meals for Children
Children's amenities and items include a children's chair, a toilet-training seat, baby soap, a baby bath, a bed-wetting sheet and a step stool; items available in limited numbers should be requested when you book. For dinner there is a Japanese set meal with a funamori boat-shaped platter of local fish delivered direct from the fishing cooperative, as well as a plan for tasting A5-grade Kuroge Wagyu and Chiba Senba beef side by side, delivered to your room between 5:30 p.m. and 8 p.m. (staff do not serve the dishes at your table; limited to 20 guests a day, with orders accepted up to 3 days in advance). Elementary school children are served a kids' plate and sashimi, and children under school age a kids' plate (fried shrimp, Hamburg steak, crab gratin and the like). Breakfast is served daily in the first-floor restaurant as a buffet of 30 Japanese, Western and Chinese dishes, from 6:30 a.m. to 9 a.m.
Rates and Access
For accommodation rates, elementary school children receive 20% off the adult rate, children aged 3 and over who have not yet started elementary school pay a facility use fee of 2,500 yen, and children aged 0-2 pay no facility use fee (futon bedding and towels are not included; they are available for a separate charge on request). The bathing tax is 150 yen per person per night for junior high school students and older. There are no barrier-free facilities: the front entrance has 7 steep steps, and there are steps in the guest rooms as well. Access is a 7-minute walk from Iwai Station on the JR Uchibo Line, or about 5 minutes by car from the Kyonan-Tomiyama IC on the Tateyama Expressway. Parking is free for one car per room, with a second or additional car at 1,500 yen. Futon bedding for infants can be added at 500 yen per set per night and towels at 100 yen each. Some rooms, however, cannot accommodate an additional futon.
This page is compiled from information on the official website, Rakuten Travel and the online travel agency Jalan. Please check the official website or Rakuten Travel for the latest details.
Access & Information
| location_onAddress | 527-16 Hisaeda, Minamiboso-shi, Chiba 299-2216 |
|---|---|
| directions_carAccess | A 7-minute walk from Iwai Station on the JR Uchibo Line. By car, about 5 minutes from the Kyonan-Tomiyama IC on the Tateyama Expressway: turn right at the third traffic light, then go straight 200 m at the Ichibu intersection. |
| trainNearest station | Iwai Station |
| local_parkingParking | Parking is free for one car per room; a second or additional car is 1,500 yen per night (60 parking spaces in total). |
| callPhone | +81-470-57-3311 |
| paymentsCards | VISA, JCB, American Express, Diners Club, Mastercard |
| languageOfficial site | https://www.grandview-iwai.com/open_in_new |
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Reference price as of September 19, 2026 (stay date 2026-10-10). Please check the booking site for actual rates.
Check rates & availability
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Frequently Asked Questions
What ages is Grand View Iwai 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 Grand View Iwai?
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Parking: Parking is free for one car per room; a second or additional car is 1,500 yen per night (60 parking spaces in total).
How do you get to Grand View Iwai?
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A 7-minute walk from Iwai Station on the JR Uchibo Line. By car, about 5 minutes from the Kyonan-Tomiyama IC on the Tateyama Expressway: turn right at the third traffic light, then go straight 200 m at the Ichibu intersection.
How are rates handled when we travel with young children?
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Elementary school children receive 20% off the adult rate. Children aged 3 and over who have not yet started elementary school pay a facility use fee of 2,500 yen. Children aged 0-2 pay no facility use fee, but futon bedding and towels are not included.
Are there amenities and items for children that we can borrow?
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A children's chair, a toilet-training seat, baby soap, a baby bath, a bed-wetting sheet and a step stool are available. Some items are available in limited numbers, so they must be requested when you book.
Are there many steps inside the building, and can we get around with a stroller?
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There are no barrier-free facilities: the front entrance has 7 steep steps, and there are more than a few steps in the guest rooms as well.
Can we leave our luggage before check-in or after checkout?
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Luggage is stored free of charge in the regular season. In the busy summer season there is a charge of 500 yen per item, and food and valuables cannot be stored.
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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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