Tokyo Sea Life Park

photo by Patrick Bolduan · CC BY-SA 2.0

photo by Laika ac · CC BY-SA 2.0

A 700-yen aquarium, tuna in a doughnut-shaped tank: it will close by 2028 for the move.

Under the wide glass dome designed by Taniguchi Yoshio, over 600 species swim, including, in the large 2,200-tonne doughnut-shaped tank, a school of Pacific bluefin tuna. Entry costs 700 yen, among the cheapest in Tokyo, and the English signage covers little more than the species names. Tokyo is building the new aquarium in the adjacent area: when it opens, in September 2028, the animals will be moved and the current building (which will be kept in any case) will close, on a date not yet set.

A public aquarium inside Kasai Rinkai Park, opened in 1989 to a design by the architect Taniguchi Yoshio (the same architect as the park's nearby ‘Crystal View’) and run by the Tokyo Zoological Park Society. Since 2025 the Tokyo Metropolitan Bureau of Construction has been building the new aquarium next door, with opening planned for September 2028 (令和10年9月): the historic building will be kept after the new one opens, with a dedicated project for the glass dome, but the animals will only be moved once the works are finished, and the closing date of the old building has not yet been set.

ℹ️ Open 9:30–17:00 (tickets on sale until 16:00), closed on Wednesdays (the next day if it is a public holiday) and from 29 December to 1 January. Entry 700 yen (350 over-65s, 250 junior high students, free up to the sixth year of elementary school and for junior high students living or enrolled at school in Tokyo). ⚠️ The Tokyo Metropolitan Bureau of Construction (the new aquarium project) confirms that the current building will close only after the animals have moved to the new one, which is expected to open in September 2028: the closing date of the old one is not set, so if you are planning a trip from 2027–2028 onwards, check that it is still open.

🚉 Kasai-Rinkai Park · 8 min walk

Sources: tokyo-zoo.net · kensetsu.metro.tokyo.lg.jp · tripadvisor.com.sg

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