Chamchi Gongbang Gangnam Branch is a tuna restaurant near Gangnam Station that serves all-you-can-eat tuna and lunchtime hoe-deopbap. Staff bring out the tuna by cut before it runs out, along with sides such as fried shrimp, albap, and braised tuna. The restaurant has a large hall and several rooms, and parties of five or more can reserve a room for group dining. There is no parking support.