🗼 Kanto · Tokyo
ホテルシーサイド江戸川
Tokyo Sea Life Park (Kasai Rinkai Aquarium): about a 4-minute walk—hotel sits inside Kasai Rinkai Park (official meta). Japanese-style rooms and large baths; one Keiyo Line stop from Maihama (Disney).
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Notes & caveats
Tokyo · Edogawa, Tokyo
Meal tags: breakfast / dinner
Sources
Hours and fees change. Always confirm on the official site. We do not invent prices or star ratings.
A. Tokyo Sea Life Park (Kasai Rinkai Aquarium): about a 4-minute walk—hotel sits inside Kasai Rinkai Park (official meta). Japanese-style rooms and large baths; one Keiyo Line stop from Maihama (Disney).
A. There is year-round or indoor equipment (excluding maintenance/closures). Always confirm on the official site.
A. Japanese-style rooms suit families/groups; park walking with strollers is easy. Confirm bath rules for young children.
A. We do not list prices here (they change often). Check Booking.com, Agoda, or the hotel’s official site for live rates.
Kanto, Kanagawa · Year-round
Yokohama Hakkeijima Sea Paradise aquariums: only hotel on the island, adjacent to Fureai Lagoon (official). Family rooms with four beds; guests may hear dolphins/sea lions and get morning lagoon viewing perks.
Indoor option
Indoor / all-weather facilities noted for this stay.
Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
Outdoor spaces
Outdoor areas listed — check season and weather.
Kanto, Tokyo · Year-round
Maxell Aqua Park Shinagawa: aquarium entertainment complex on the hotel grounds (official). ~2 min walk from Shinagawa Station—easy Shinkansen/Haneda base with movies, bowling, and family dining.
Indoor option
Indoor / all-weather facilities noted for this stay.
Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
family
Aqua Park is a show-style aquarium; check child ticket and show times. Hotel has baby-room info on official notices.
Kanto, Tokyo · Year-round
Maxell Aqua Park Shinagawa: official AQUARIUM STAY packages include admission tickets (Prince Hotels). Neighboring Shinagawa Prince area—easy aquarium evening after Shinkansen arrival.
Indoor option
Indoor / all-weather facilities noted for this stay.
Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
family
Package includes one Aqua Park ticket per person when offered—confirm current promotion terms.
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