The Osaka Sea Tour is world-class in size, with 5,400 tons of giant reservoirs and 15 small reservoirs, which hold 580 species of marine plants and animals in a population of up to 30,000. The star animals of the sea tour hall are whale sharks, and many related products can be seen in the museum, as well as penguins, otters, jellyfish and other healing marine animals. Although the itinerary of the sea tour may sound more suitable for children, after arranging many historical and prosperous experience trips, it is also very good to insert this attraction of teaching and fun. It is recommended to arrange a 2-hour visit and remember to add another transportation time.