Mahogany Coffee Yeouido KTB is a cafe near IFC Mall and across from Yeouido Park that sells coffee, croissants, brownies, pies, and cakes. It serves almond cream cold brew, also called Yeouido coffee, and Doredore cake. The store is a long, deep rectangular space with partitioned seating and wide gaps between seats. On weekends or during busy hours, even the large store has almost no seats left.