Apparently, according to one of my former coworkers, one of the souvenirs you have to get in Jeju is omegi dduk (오메기떡). His wife sent him on a mission to bring it back with him. Travel tips: Buy your SIM card: Prepaid 4G/LTE Sim Card: Unlimited Data+Voice call+SMS (5/7/10/15/30 days) Check out these great things to do in Jeju! Don't want to rent a car in Jeju? Check out this Hop On/Off Bus Tour of Jeju Don't want to rent a car in Jeju? Check out this Taxi Tour Check out these great affordable Jeju tour packages from Trazy [AFFILIATE LINK]