The only aquarium in Yamagata prefecture.
The biggest highlight is the largest jellyfish tank in the world, 5 m.
Besides, the number of jellyfish exhibition types (over 50 types) is the world's most proud, and it is certified as Guinness by the number of exhibits.
Furthermore, it is packed with pleasure, including feeding of sea lions and popular kids 'sea lion' s show.
There are also restaurants where you can eat healthy dishes using jellyfish as a material, especially jellyfish ramen and jellyfish ice.
Opening hours, 9: 00-17: 00(Summer vacation period, 9: 00-18: 00, Last entry, 30 minutes before closing)
closing day, 7 days a week