Grand Prince Hotel Osaka Bay
Reference price as of October 3, 2026 (stay 2026-10-24). US$ is an approximate conversion from yen. Check the booking site for actual rates.
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forumWhat families say
Rakuten Travel rating 4.6 out of 5 (2,802 reviews). Guests on plans that include dinner and breakfast report that their children ate plenty, and some reviews mention that there is a little space to play inside the property, making for a relaxed stay. On the other hand, guests note that the requirement to wear a swim cap in the pool is not clearly explained, and that they were caught off guard when they noticed it at the time of booking.
Kids Facilities
Baby items and children's amenities available to borrow
Baby items and children's amenities available to borrow
Cribs, bed guards, children's yukata (90 cm), children's slippers (21 cm) and children's toothbrushes are available to borrow. The crib is free of charge, and because numbers are limited for all of these items, they must be requested when booking.
- •Cribs are intended for children under 24 months who cannot yet pull themselves up to stand.
- •Crib stock is limited, so one may not be available on the day.
- •Diapers and strollers are not available to borrow.
Nursing room
Nursing room
There is a nursing room on the 1st floor. It is a space families staying with babies and toddlers can use for feeding and diaper changes, and together with the crib rental it supports stays with young children.
Kids' meal menu and baby food
Kids' meal menu and baby food
The restaurants have a kids' meal menu, and baby food can be prepared with advance reservation. Food allergy accommodation covers only the 8 specified allergens and requires advance notice.
- •Baby food requires advance reservation.
- •Allergy accommodation covers only the 8 specified allergens and requires advance notice.
Indoor pool
Indoor pool
- calendar_monthSeason:Confirm with hotel
- paymentsPrice:Free for guests
The indoor pool is free for staying guests and requires advance reservation. Guests aged 18 and under cannot use it on their own and must be accompanied by someone aged 20 or over.
- •Advance reservation is required.
- •Guests aged 18 and under cannot use the pool on their own and must be accompanied by someone aged 20 or over.
Summer-only rooftop garden pool
Summer-only rooftop garden pool
- calendar_monthSeason:Summer only
The summer-only rooftop garden pool has a shallow children's pool alongside it. The day pool is open to children aged 4 and over and adults of junior high school age and over, and staying guests receive a 500 yen discount on the adult rate.
- •Children who wear diapers must wear swim pants.
- •Guests under 18 cannot use the pool on their own.
Babysitting service
Babysitting service
There is no childcare center, but a paid babysitting service can be arranged. Advance reservation is required to use it.
- •Advance reservation is required.
Categories
Overview
Grand Prince Hotel Osaka Bay is a 480-room city hotel in the bay area of Suminoe-ku, Osaka, with appealing views over Osaka Bay. Co-sleeping is free for up to one child aged 5 and under, and cribs, bed guards, children's yukata and slippers are available to borrow. The indoor pool is free for staying guests, and the summer-only rooftop garden pool has a children's pool alongside it. The hotel is about a 3-minute walk from Nakafuto Station, and free shuttle buses run to JR Shin-Osaka Station and other points.
Rooms
There are 480 rooms in total. The non-smoking Standard Twin and Standard King are 30 sq m for 1-2 guests, with either two beds 120 cm wide or one bed 180 cm wide. The 40 sq m Deluxe accommodates 1-3 guests, with a sofa bed set up when 3 guests stay. The 80 sq m Club Premier accommodates 4 guests, and its twin layout has two beds 140 cm wide. Co-sleeping is available for up to one child aged 5 and under; children aged 6 and over are charged the same rate as an adult.
Dining
Breakfast is served buffet-style at 3,700 yen for adults and 1,850 yen for elementary school children, and free of charge for children below elementary school age. The restaurants have a kids' meal menu, and baby food can be prepared with advance reservation. Food allergy accommodation covers only the 8 specified allergens and requires advance notice. Room service is available 24 hours a day.
Baths
There is no communal bath, private-hire bath or onsen, so bathing takes place in the bathtub in your room, and families with children bathe together there as well.
Family-Friendly Features
Cribs are available to borrow free of charge and require advance reservation. For safety reasons they are intended for children under 24 months who cannot yet pull themselves up to stand, and stock is limited, so a crib may not be available on the day. Bed guards, children's yukata (90 cm), children's slippers (21 cm) and children's toothbrushes are also available to borrow; numbers are limited for all of them, so please request them when booking. There is a nursing room on the 1st floor. Diapers and strollers are not available to borrow. There is no childcare center, but a paid babysitting service can be arranged with advance reservation.
Pool
The indoor pool is free for staying guests and requires advance reservation. Guests aged 18 and under cannot use it on their own and must be accompanied by someone aged 20 or over. The spa and sauna on the same 4th floor can be used free of charge by children under 6 when accompanied by a guardian, but children of elementary school age and older cannot take part in mixed bathing in the sauna. Children under 13 cannot use the fitness gym. The summer-only rooftop garden pool has a shallow children's pool alongside it. Day pool use is open to children aged 4 and over and to adults of junior high school age and over, and guests under 18 cannot use it on their own. Staying guests receive a 500 yen discount on the adult rate. Children who normally wear diapers must wear swim pants.
Access
The hotel is about a 3-minute walk from Nakafuto Station on the New Tram Nanko Port Town Line. Free shuttle buses also connect JR Shin-Osaka Station, JR Osaka Station (Umeda), Cosmosquare Station and USJ. From August 1, 2026, all of these services except the Cosmosquare Station route switch to advance reservation.
Access & Information
| location_onAddress | 1-13-11 Nankokita, Suminoe-ku, Osaka-shi, Osaka 559-0034 |
|---|---|
| directions_carAccess | The hotel stands in the Nanko bay area of Osaka, in the district served by Trade Center-mae Station on the New Tram (Nanko Port Town Line). The Kaiyukan Aquarium and USJ are both easy to reach, and airport buses from Itami Airport and Kansai International Airport are convenient as well. |
| trainNearest station | Trade Center-mae Station |
| local_parkingParking | Paid parking is available. |
| callPhone | +81-6-6612-1234 |
| paymentsCards | VISA, JCB, American Express, Diners Club, NICOS |
| languageOfficial site | https://www.princehotels.co.jp/osakabay/open_in_new |
Map
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Reference price as of October 3, 2026 (stay 2026-10-24). US$ is an approximate conversion from yen. Check the booking site for actual rates.
Check rates & availability
Opens the booking site in a new tab.
Frequently Asked Questions
What ages is Grand Prince Hotel Osaka Bay 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.
Does Grand Prince Hotel Osaka Bay have baby beds?
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Baby beds are available to rent. See the Kids Facilities section on this page for details.
Does Grand Prince Hotel Osaka Bay offer baby food?
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Baby food is provided. Age ranges and the restaurants that serve it can change by season, so check the Kids Facilities section on this page and the official site for details.
Is there parking at Grand Prince Hotel Osaka Bay?
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Parking: Paid parking is available.
How do you get to Grand Prince Hotel Osaka Bay?
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The hotel stands in the Nanko bay area of Osaka, in the district served by Trade Center-mae Station on the New Tram (Nanko Port Town Line). The Kaiyukan Aquarium and USJ are both easy to reach, and airport buses from Itami Airport and Kansai International Airport are convenient as well.
Can we use the spa and sauna with an elementary school child?
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Mixed bathing with children of elementary school age and older is not permitted. Children under 6 can use the spa facilities free of charge, but must always be accompanied by an adult.
Can a child who is not yet out of diapers use the pool?
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Yes, they can use it, but a child who normally wears diapers must wear swim diapers.
Can children aged 4 or 5 use the pool free of charge?
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The day pool access included in stay plans that come with the rooftop garden pool applies to guests aged 6 and over. If you bring a child aged 4 or 5, you need to purchase a separate admission ticket for that age group.
Is there a charge for a child to co-sleep with us?
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Up to one child aged 5 and under can stay by co-sleeping free of charge. Children aged 6 and over are charged the same rate as an adult. For breakfast, elementary school children pay 1,850 yen, and children below elementary school age eat free.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Ikyu.com (English), 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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