On the Border Coex City Airport is a family restaurant serving Mexican food in the City Airport Terminal at 22 Teheran-ro 87-gil, Gangnam-gu, Seoul. The menu includes beef quesadillas, tacos, and chili dishes, and tequila can be ordered alongside the food. Parking is directed to Coex Mall, while parking at the City Airport can cost as much as the meal. Staff service is inadequate.