The Haoshan Aquarium is the largest main aquarium in Korea, with about 35,000 animals including birds, fish, reptiles, amphibians and more. The biggest feature is that this is an aquarium built in the ground floor, with a height of 3 floors and a floor area of more than 50,000 square meters (Korean measurement method). It is the largest aquarium in Korea. The transparent tunnel in the Shark Pavilion is also the longest in Korea.