COEX Aquarium, one of the largest aquariums in South Korea, houses 40,000 sea creatures from 650 different species. It is designed with 6 unique themed areas that transport you to various aquatic habitats, namely the Inca Empire, Amazonian World, Seven Seas, Ocean Kingdom, Marine Touch, and Undersea Tunnel. Additionally, you can explore discovery zones that take you on a water journey from the high Andean mountains to the Amazon tropical rainforest, rivers, and swamps.