The International Finance Centre, located at the center of Yeouido Island, serves as a major pedestrian link between the subway station, riverside, and Yeouido Plaza Park. The inspiration for the IFC Seoul came from Asian landscape drawings that often depict very steep, jagged mountains. The four vertical towers were designed to resemble monumental crystalline outcroppings, chiseled to create prismatic forms that accentuate the interplay of light and shadow on the glass façade.

Expansive floor-to-ceiling glass and nearly 10-foot ceilings immerse the office spaces in natural light and provide magnificent, uninterrupted views across Yeouido Park and the Han River to the mountains beyond. Bay depths of more than 42 feet (12.8 meters) from elevator core to the perimeter wall ensure efficient use of space. To improve the experience on subterranean levels, the design includes large skylights to admit natural light, articulating the glass entry pavilions leading into the IFC Seoul Mall.