Great aquarium and educational experience. They have a wide variety of fish as well as a few things like otters and penguins that interact with ocean life. They were featuring a SpongeBob theme when..

Walking through COEX Aquarium felt like diving into the ocean without leaving Seoul. Themed zones—from the Amazon rainforest to the deep sea—made each section a new adventure. Sharks, turtles, and ray

The aquarium was quite extensive and was not too overcrowded around lunch time. A worthwhile visit if you are at the mall to see the library.