Starbucks Yeouido Station R is a cafe selling coffee and Reserve bean drinks, located on the first floor of O2 Tower in front of Yeouido Station Exit 3. As a Reserve store, it offers a range of bean types and a choice of coffee of the day. The seating is split across a 1.5 floor and a second floor, and it is relatively quiet on weekday afternoons and weekend mornings. The spacing between seats is narrow.