Goraedang is a cafe in a converted house in an alley between Gwangalli Beach and the subway station, selling castella and coffee. The castella comes out soft and moist, and a whale-shaped ice cube floats on the coffee. Castella is available only at set times, and the second floor of the house is off-limits. On weekends, kasdosu and some castella sell out, making it hard to buy what you want.