Starbucks Seongsu Knock Knock

Starbucks Seongsu Naknak is a coffee and beverage cafe located near IKEA Lab. The single-floor store has high ceilings, large windows, and many seats, so customers drink coffee in an open space. Parking is free for 30 minutes, and there are many electrical outlets, so many customers study or work on laptops. Lunchtime is crowded with customers from nearby offices.