Kagoshima City Aquarium “Io-world”
This is the largest aquarium on Kyushu, facing Sakura-jima, the symbol of Kagoshima. One of the highlights is the Umiushi (sea slug) Research Center, unusual anywhere in the world, which researches the rearing of sea slugs at the same time as clarifying their unusual ecology.
More Information about Kagoshima City Aquarium “Io-world”
Street address
- 3-1 Honkoshin-machi, Kagoshima City
Access
Route1
- Kagoshima Shiei Bus (No. 15, 16, 2, 24, 25, or 26) Kinsei-cho to Kagoshima Suizokukan-mae 3 minutes
Route2
- Kagoshima City Tram Kagoshima-Chuo Station to Kagoshima Suizokukan-guchi 15 minutes
Opening Hours
- 9:30 to 18:00 (entry to the aquarium up to 17:00)
Closed
- The four days following the first Monday of December
Website
- http://ioworld.jp/english
Best season
- All year
Point
- Every day, the dolphins of the aquarium go out into the outdoor waterway connected to the sea, and you can gain a close-up view of their gripping performances, with jumps.

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