Soi Yeonnam COEX is a Thai restaurant near Samseong Station and COEX that serves tom yum pho, beef pho, and bone-in pho. It also sells jokbal rice bowls and soi poppia, eaten with chili vinegar or fish sauce on the side. An early dinner outside lunch hours is relaxed, and even with a wait, tables turn over quickly so the wait is not long. The meal comes centered on pho, without side dishes.