Chamchi Gongbang Sangam is a tuna restaurant in Sangam-dong, Seoul, serving tuna hoe and hoe-deopbap. The lunch hoe-deopbap comes with generous portions of raw fish and vegetables, and the tuna course is all-you-can-eat. The dining room is large and clean, and parking is available. When it is busy, order communication and responses to calls are slow.