Downtowner Sangsu is a burger restaurant located right in front of Sangsu Station Exit 1 in Seoul. It serves an avocado burger, a fresh basil mozzarella burger, a classic cheese burger, and a chicken burger, with garlic butter fries and a cup salad on the side. The store is spacious and clean, and a self-service bar for carbonated drinks is available. A low-carb burger can also be ordered.