Aqua Planet Jeju is the largest aquarium in Asia, whose main water tank resembles Jeju Ocean. It brings you closer to 48,000 animals and plants of around 500 species, including the round-faced spotted seal, African penguins, and tropical fish. You can also attend educational programs involving the flying penguin, dancing sea lion, and running otter. Moreover, Aqua Planet Jeju features "Haenyeo's Achim," a demonstration of how Jeju's female divers catch shellfish, seaweed and more underwater.