COEX Aquarium

COEX Aquarium is one of the largest aquariums in Korea.
The aquarium houses more than 180 exhibition tanks and 90 breeding tanks, holding a total of 3,000 tons of water.
COEX Aquarium showcases the incredible diversity of aquatic life around the globe across a series of 14 themed discovery zones, from the heights of the Andean mountains to the depths of the Amazonian rainforest, in ecosystems ranging from rivers and swamps to the deep sea. The aquarium provides new exhibitions and cultural performances every season, including a unique "sardine performance."

Starfield Library

Located in the center of Starfield Coex Mall, Starfield Library is open to public all year long where anyone can freely come to sit down, take a break, and immerse themselves in books along with other bibliophiles. A variety of events takes place here such as meet-the-authors, book talks, poetry reading, lectures, book concerts, and more.