The COEX Mall is above the Samseong Subway Station, stop number 219 on the Green Line. The COEX Aquarium is open every day of the year from 10 a.m.-8 p.m. There is an entrance fee.

By following the directional signs, you can end up at the COEX Aquarium, hands down the best aquarium inside a giant, partially-underground shopping mall in Seoul.

Located in stylish Gangnam (of PSY fame), this underground mall has more than just retail stores: The mall’s main attractions are its aquarium (home to 20,000 sea creatures) and the Starfield ...

Photos by Simon Williams-Im COEX Aquarium The COEX Aquarium can be found inside Starfield COEX mall and houses over 40,000 animals in 90 exhibition tanks. Take the opportunity to meet a wide range of ...

Visitors try a marine expedition vessel at a preview event for “Sea at Night,” a new themed zone unveiled at COEX Aquarium in Gangnam District, southern Seoul, on July 17. The aquarium, a ...