Hanwha Aqua Planet 63 in Seoul is a must-see attraction located inside the iconic 63 Building, a perfect day out for the whole family. It's known for its 5,630 square meters space and hosts a million visitors each year. Get a chance to see many different kinds of animals including penguins, arapaimas, piranhas, otters, harbor seals, sea lions and more. The aquarium mimics ocean habitats from around the world to give you an insight into the marine world like no other aquarium in Korea. Make sure to spend time in the main tank, where you can catch the aquarium's most unique attraction - a fantastic mermaid show, set to music and lights!