|Address||Yamashita Beach, Takasakiyama, Oita City, Oita Prefecture|
|Contact||Oita Marine Palace Aquarium "Umitamago"|
The modern architecture blending right into the surrounding Beppu Bay scenery is Oita Marine Palace Aquarium Umitamago featuring an oversized aquarium.
It brings a plenty of maritime entertainment up close, including an outdoor performance and a petting tank by sea creatures such as walruses, sharks, and starfish. One of the most popular, iconic one is where a walrus performs sit-ups. The outdoor artificial beach, Aso Beach, features a dolphin petting tank as well.