Seonmul Gage Banana Jeju Soprop Jeju Gonghang Branch is a gift shop near Jeju Airport that sells Jeju souvenirs and small character goods. It carries a range of gifts in one place, including Jeju snacks and Jeju wine. The store is large and clean, extends to a second floor, and holds many product types. It is convenient to stop by on the way back to the airport for last-minute gift shopping.