Charlie Gongjang Jeju Main Branch is a dessert shop selling butter sand, chocolate, and cookies directly in front of Dongmun Market in Jeju. It offers tastings of Udo peanut sand, red velvet sand, and Dubai chocolate before purchase, along with gift packaging and insulated packaging options. A space where desserts are made in-house is visible inside the store, and tables are available for eating food bought at Dongmun Market. Its location near Jeju Airport makes it convenient for buying gifts on the last day of a trip.