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Kids Stay
グランドメルキュール別府湾リゾート&スパ イメージ

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forumWhat families say

Guests praise the 3 types of Kitty Rooms — a hit with children at Harmonyland’s only official hotel — and the ocean view over Beppu Bay. Families also appreciate the nursing room and child-friendly rental items, including diaper bins, baby baths and bed guards.

Read guest reviews on Booking.com

Categories

Kids Facilities

Baby-item rentals (diaper bin, baby bath and bed guard)

Indoor

Diaper bins, baby baths and bed guards are available to borrow. They cannot be reserved in advance; requests are accepted at check-in on a first-come, first-served basis, and limited quantities mean requests may not be fulfilled.

Nursing room

Indoor

The nursing room has a diaper-changing table, diaper bin and microwave, making it available for guests with babies.

Garden pool

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

This summer-only pool has ocean views and ranges from 35 cm to 110 cm deep, with a shallow area where children under school age can play. Babies and toddlers are asked to wear swimming pants (swim diapers). Day visitors cannot use the pool.

PLAY&READ and picture-book corner

Indoor

The property has a space where guests can freely enjoy table tennis, card games and manga, as well as a picture-book corner and playroom. Open from 8:00 to 23:00.

Kids' meals and baby food

Indoor

The buffet includes a kids' meal served with corn soup with popcorn, and examples of baby food are also introduced.

Hello Kitty Room

Indoor

These Sanrio character-themed rooms are available in Japanese-style and resort-style types. Capacity is 6-7 guests, including children sharing existing bedding.

toysSee photos & full detailsopen_in_new

Overview

Grand Mercure Beppu Bay Resort & Spa is an all-inclusive resort on a hill overlooking Beppu Bay in Hiji, Oita. Dinner, breakfast, lounge drinks, onsen, activities and more are included in the accommodation rate. Co-sleeping is free for children under elementary school age, and family-friendly facilities include a nursing room, baby-item rentals and a summer-only garden pool. It is the only official hotel of the Sanrio character park Harmonyland, about 13 minutes away by car.

Rooms

The hotel mainly offers spacious rooms of 36 sq m or more, including Japanese-style tatami rooms, twin rooms and suites. The Japanese-style tatami room is 10 tatami mats and includes futon bedding for 4, a TV, Wi-Fi, a kettle, refrigerator, bathtub and shower, and a safe; it accommodates 1-4 guests. The Superior Twin is 36 sq m with 2 single beds and 2 extra beds, for 1-4 guests. The Family Superior Room is 36 sq m with 2 single beds and 1 pull-out bed, plus a projector of up to 100 inches. The Japanese Modern Family Room has 36 sq m of tatami flooring with 2 low beds; adding 3 futons to the tatami area allows up to 5 guests. The higher-category Standard Deluxe Suite is 160 sq m with 4 single beds and 2 extra beds, for 1-6 guests. Japanese-style tatami rooms and Japanese-Western-style rooms can be prepared with the futons already laid out at check-in. Elementary school-age children are charged the same rate as adults, as are children under school age aged 3-6 who need bedding. Co-sleeping is free for children under elementary school age, with 1 child per adult permitted. Co-sleeping for children aged 0-2 is free when selecting “meals and bedding not included.”

Dining

Buffet meals are served at Le Sensoriel on the 2nd floor. The all-inclusive accommodation rate includes dinner, breakfast and drinks at the lounge, with more than 60 breakfast menu items and more than 40 dinner menu items. The breakfast buffet is served from 7:00 to 9:30, with final admission at 9:00, and the dinner buffet runs from 17:30 to 21:00, with final admission at 20:30. Lunch is not served. Examples of baby food are also introduced, and a kids' meal served with corn soup with popcorn is available for children.

Baths and onsen

The hotel has the Hiji Onsen open-air bath, using a natural hot spring source that rises on the property. The spring water is a sodium chloride hot spring, and the hotel also has a communal bath and sauna. The communal bath is open from 15:00 to 24:00 and from 6:00 to 10:00 in the morning. Body soap, shampoo and baby soap are provided in the bathing area. Baby baths are available to borrow on a first-come, first-served basis at check-in; advance reservations are not available and supplies are limited. Guests with tattoos may bathe only if they can be fully covered using up to two 8x10cm cover seals.

Family-friendly facilities

A nursing room is available for guests with babies, equipped with a diaper-changing table, diaper bin and microwave. Diaper bins, baby baths and bed guards are also available to borrow, but they cannot be reserved in advance; requests are accepted at check-in on a first-come, first-served basis, and limited quantities mean requests may not be fulfilled. Humidifiers are also available to borrow in guest rooms. The property has a space called PLAY&READ, where guests can freely enjoy table tennis, card games and manga, open from 8:00 to 23:00. There is also a picture-book corner and a playroom. The summer-only garden pool is 35 cm-110 cm deep and has a shallow area where children under school age can play in the water. Babies and toddlers are asked to wear swimming pants. From July through September, hands-on programs for parents and children are held every day. Wheelchair users can move around the property by elevator, but some entrances have steps, so care is needed when using a stroller. The hotel is the only official hotel of the Sanrio character park Harmonyland, about 13 minutes away by car.

Access

The hotel is about 10 minutes by car from Hayami IC on the Higashikyushu Expressway, about 30 minutes by car from Oita Airport, and about 20 minutes by car from JR Beppu Station. A free shuttle bus connects JR Beppu Station, JR Kamegawa Station and JR Yokoku Station, but reservations are required for every ride. The hotel has free parking for 240 vehicles.

Access & Information

location_onAddress1825 Hiramichi Irie, Hiji-machi, Hayami-gun, Oita 879-1508
directions_carAccessAbout 10 minutes by car from Hayami IC on the Higashikyushu Expressway, about 30 minutes by car from Oita Airport, and about 20 minutes by car from JR Beppu Station. A free shuttle bus connects JR Beppu Station, JR Kamegawa Station and JR Yokoku Station, but reservations are required for every ride.
trainNearest stationKamegawa Station
local_parkingParkingFree parking for 240 vehicles is available, with some covered spaces (first-come, first-served).
callPhone+81-3-5539-2606
paymentsCardsVISA, JCB, American Express, Diners Club, DC, Mastercard, Discover
languageOfficial sitehttps://grand-mercure-beppubay-resortandspa.jp/open_in_new
From ¥63,600/ per night (2 adults)

Reference price as of August 28, 2026 (stay date 2026-09-19). Please check the booking site for actual rates.

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Reference, 2 adults¥12,000+Varies by season
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Frequently Asked Questions

Can children share a bed without an additional charge?

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Children under elementary school age may stay while co-sleeping at no charge, with 1 child per adult permitted. Co-sleeping for children aged 0-2 is free when selecting meals and bedding not included. Children who have not yet started elementary school aged 3-6 who need bedding are charged the same rate as adults.

Can young children use the garden pool?

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The summer-only garden pool is 35 cm-110 cm deep and has a shallow area for children under school age. Babies and toddlers are asked to wear swimming pants (swim diapers), and day visitors cannot use the pool.

What meals are available for children and babies?

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The buffet includes a kids' meal served with corn soup with popcorn, and examples of baby food are also introduced. Breakfast has more than 60 menu items and dinner has more than 40. Lunch is not served.

What baby facilities and rental items are available?

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The nursing room has a diaper-changing table, diaper bin and microwave. Diaper bins, baby baths and bed guards are available to borrow, but advance reservations are not available; requests are made at check-in on a first-come, first-served basis and supplies are limited.

How do we get to the resort?

expand_more

It is about 10 minutes by car from Hayami IC, about 30 minutes by car from Oita Airport and about 20 minutes by car from JR Beppu Station. A shuttle connects JR Beppu Station, JR Kamegawa Station and JR Yokoku Station, but reservations are required for every ride. Free parking for 240 vehicles is available.

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

We take care to keep information accurate, but always confirm the latest details on the hotel's official site and booking sites before you book or visit.

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