COEX Mall is one of the largest underground shopping malls in Asia and one of the first malls in Korea to offer such an extensive range of products. The main entrance, Millennium Plaza, branches out into several corridors (Forest Walk, Valley Walk, Sea Walk, Lake Walk, etc.) that snake around the entire mall. Colorful shops, cafés, restaurants, and entertainment facilities line each corridor, giving shoppers plenty of options. If you are looking for luxury brands, Hyundai Department Store and SKM Duty Free Shop have a great selection of designer items from internationally recognized brand names. ‘Enter Six’ and other shop sell a variety of fashion items; in fact, visitors to COEX can find a huge selection of cosmetics, sportswear, underwear, accessories, eyeglasses, watches, and electronics no matter where they turn.