Okinawa Beauty Aquarium has the world's largest sink viewing window (material is acrylic plate, length 22.5M x height 8.2M x thickness 60CM), sink size (capacity 7500 cubic meters, sink width 35M, sink depth 27M, sink height 10M), The most eye-catching focus of the whole field through the huge sink is whale sharks and ghost bats, showing about 70 species of fish and 16,000, as if entering the underwater world and surrounded by the sea. In addition to the huge sink of the Kuroshio Sea, there are also activities and display areas such as feeding shows, marine ecological commentary, marine viewing areas, coral seas, special fish species, biological display areas.