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Kids Stay
From about US$217/ per night (2 adults, ¥34,400)

Reference price as of November 5, 2026 (stay 2026-11-28). US$ is an approximate conversion from yen. Check the booking site for actual rates.

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forumWhat families say

Guests praise the ocean views from every room and the dinner buffet featuring Boso seafood. Kamogawa Sea World, about 10 minutes away by car (with a morning shuttle), and tide-pool play in front of the hotel (with nets and buckets to borrow free of charge) are also popular with families. Children under 3 stay free, with no charge for the room, bedding or meals, making it well suited to family trips with little ones.

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Kids Facilities

Kids Room

Indoor

A family-only room with picture books, toys, stuffed animals, a drawing board and a DVD player. It is 27.0 sq m and sleeps up to 4 guests including children. The tatami area and the bed area can be divided with a roller blind. DVDs are not available to borrow.

Baby facilities in the communal bath

Indoor

The changing room has a baby bed, along with 1 baby seat and 1 baby chair (baby soap is provided). The bathing area has a baby bath and a baby chair. Whether children in diapers may bathe is not stated.

Kids' menu and baby spoons at the restaurant

Indoor

The restaurant where the dinner buffet is served has a kids' menu and baby spoons. According to the Kids Room plan information, the kids' corner offers several kinds of handmade baby food. Sushi can also be made without wasabi.

Free items to borrow

Indoor
  • paymentsPrice:Free for guests

A diaper pail, a thermometer, an ice pack, a wheelchair and other items are available to borrow free of charge. Quantities are limited, and they are handed out at the front desk.

Garden Pool

Outdoor
  • calendar_monthSeason:Summer only
  • paymentsPrice:Free for guests

A garden pool on the hotel grounds for staying guests only, free to use. Swim rings are available to borrow free of charge, and the communal bath's changing room can be used for changing. Whether swim diapers can be worn in the pool is not stated. Open in summer only.

Tide-pool play

Outdoor
  • paymentsPrice:Free for guests

You can walk down to the rocky shore from in front of the hotel and explore the tide pools. Tide-pool gear is available to borrow free of charge. Shirosaki Beach is a 4-minute walk away.

Categories

Overview

Hotel Green Plaza Kamogawa is a hotel in Kamogawa on the Boso Peninsula, and every room has an ocean view. Dinner is a buffet of about 50 Japanese, Western and Chinese dishes, with a kids' menu and baby spoons on hand. On the Kids Room plan, you stay in the Kids Room, where a king-size-or-larger low bed and a tatami area can be divided with a roller blind. The communal bath is fed by Kominato Miiri Onsen, with a baby bed in the changing room and a baby bath in the bathing area. Children under 3 stay free of charge. There are no barrier-free rooms, and floors 2 to 4 have open-air exterior corridors.

Rooms

Every room has an ocean view, and you can choose from the Kids Room, Japanese-Western rooms, Japanese-style tatami rooms, Japanese-modern rooms with a terrace, and large Japanese-style tatami rooms with a terrace. The Kids Room is 27.0 sq m, with 1 king-size bed and 1 futon, and sleeps up to 4 guests including children. The tatami area and the bed area can be divided with a roller blind. This family-only room comes with a diaper bin, a toilet-training seat, baby soap, a step stool for children, picture books, toys, stuffed animals and a DVD player; DVDs are not available to borrow. It can connect from inside the room to the neighboring Japanese-Western room, and connecting bookings are taken by phone.

The Japanese-Western room is 27.0 sq m, with 2 single beds and a 4.5-tatami-mat area. The hotel notes that the two mattresses can be pushed together, so you can co-sleep with peace of mind. The Japanese-modern room is on the 1st floor: 29.0 sq m, with 10 tatami mats, 2 semi-double beds, 2 futons and a terrace. The Japanese-style tatami room is 27.0 sq m with 10 tatami mats and 5 futons, and you lay out the futons yourself. The large room with a terrace is on the 1st floor: 52.0 sq m, with 24 tatami mats and 7 futons. Every room has a humidifying air purifier, and loungewear is provided for both adults and children. Floors 2 to 4 have open-air exterior corridors, and there are no barrier-free rooms.

Dining

Dinner is a buffet of about 50 Japanese, Western and Chinese dishes, and breakfast is a buffet of about 30 Japanese and Western dishes, both served in the restaurant. There is no information on in-room dining. The restaurant has a kids' menu and baby spoons, and sushi can be made without wasabi. Soft drinks are all-you-can-drink. According to the Kids Room plan information, the buffet includes a kids' menu and baby food, and the kids' corner offers several kinds of handmade baby food. Buffet dishes are labeled for the 8 major allergens, including walnut, but because they are prepared with the same cooking equipment and tableware as other dishes, they are not allergen-free. Hours are 7 a.m. to 9 a.m. for breakfast and 5:30 p.m. to 9 p.m. for dinner. If you arrive after 8 p.m., dinner is not available.

Baths and Onsen

The communal bath is fed by Kominato Miiri Onsen, a sodium chloride cold mineral spring. There is an indoor bath and an open-air tsuboyu (pot-shaped bath); since the bath is on the 1st floor, there is no sea view. It is open from 5 a.m. to 9 a.m. and from 1 p.m. to midnight. The changing room has a baby bed, along with 1 baby seat and 1 baby chair. The bathing area has a baby bath and a baby chair. Guests with tattoos (including fashion tattoos) are asked to refrain from using the bath. Whether children in diapers may get into the tubs is not stated, so please check with the hotel. No private-hire bath is listed.

Family-Friendly Features

Children under 3 stay free of charge, whether they co-sleep or use the bedding in the room, and their meals are free too. Children aged 3 until they start elementary school are charged the child rate with meals and futon bedding. A bathing tax of 150 yen is charged separately for adults only. The upper age limit for co-sleeping, the rate for elementary school children and the number of people per bed are not stated, so please check with the hotel. Cribs and baby futons for the guest rooms are not mentioned. On the Kids Room plan, the hotel notes that the king-size-or-larger low bed lets you co-sleep with peace of mind, and the plan comes with late checkout at 11 a.m. (normally 10 a.m.), twice the usual number of towels and 2 bottles of soft water. Children's yukata and slippers are provided. Items available to borrow free of charge include a diaper pail, a thermometer, an ice pack and a wheelchair; quantities are limited, and they are handed out at the front desk. Steps in the building have ramps, so you can get around in a wheelchair or with a stroller. You can walk down to the rocky shore from in front of the hotel, and tide-pool gear is available to borrow free of charge. Shirosaki Beach is a 4-minute walk away. The Garden Pool, open in summer only and for staying guests only, is free to use, and swim rings are available to borrow free of charge. Whether swim diapers can be worn in the pool is not stated.

Access

About 3 minutes by car from JR Awa-Kominato Station, with a shuttle available. Parking for 70 vehicles is free. Kamogawa Sea World is about 10 minutes away by car, and a shuttle leaves the hotel at 8:45 a.m. and 9:50 a.m. (reservation required). A convenience store is about a 5-minute walk away, and Kameda General Hospital is about 10 minutes by car. Check-in is at 3 p.m., and checkout is at 10 a.m.

Access & Information

location_onAddress3289-2 Amatsu, Kamogawa-shi, Chiba 299-5503
directions_carAccessAbout 60 minutes by car from Kimitsu IC via the toll road, which became toll-free on April 21, 2019. About 3 minutes by car from JR Awa-Kominato Station, with a shuttle available.
trainNearest stationAwa-Kominato Station
local_parkingParkingParking for 70 vehicles, free of charge.
callPhone+81-570-071-489
paymentsCardsVISA, JCB, American Express, Diners Club, UC, DC, NICOS, UFJ Card, Saison, AEON
languageOfficial sitehttps://www.hgp.co.jp/kamogawa/open_in_new

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From about US$217/ per night (2 adults, ¥34,400)

Reference price as of November 5, 2026 (stay 2026-11-28). US$ is an approximate conversion from yen. Check the booking site for actual rates.

Check rates & availability

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Per night, 2 adultsUS$217+As of November 5, 2026
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Frequently Asked Questions

What ages is Hotel Green Plaza Kamogawa 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 Hotel Green Plaza Kamogawa?

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Parking: Parking for 70 vehicles, free of charge.

How do you get to Hotel Green Plaza Kamogawa?

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About 60 minutes by car from Kimitsu IC via the toll road, which became toll-free on April 21, 2019. About 3 minutes by car from JR Awa-Kominato Station, with a shuttle available.

Can a child who is not yet out of diapers use the communal bath?

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The communal bath has a baby bath and baby chairs, and there is a baby bed in the changing room. Whether children who are not yet out of diapers can get into the tubs is not stated, so please check with the hotel in advance.

Is baby food available?

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Baby food and a kids' menu are offered at the buffet in the ocean-view restaurant.

Are there toys in the room for children to play with?

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The Kids Room has a DVD player, picture books, toys, stuffed animals, a drawing board and other things for children to enjoy.

Does the Kids Room connect to the room next door?

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The Kids Room connects from inside the room to the neighboring Japanese-Western room, which makes it a good choice for three-generation trips or two families traveling together.

Is there a charge for children under 3?

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Children under 3 stay free of charge. For bedding, they can co-sleep with you or use the bedding provided in the room, whichever you prefer.

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Guests

Information on this page was compiled by directly consulting Official website, Rakuten Travel, Jalan (last verified: October 2026). Prices, availability and seasonal operations change. Please check each booking site for the latest information.

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