25 minutes from downtown. - Gangnam business district one block from fairgrounds city air terminal and Olympic Main Stadium. 10 min/3 subway stops from COEX. 80 minutes from Incheon Airport. LOTTE HOTEL WORLD has just gone through a c renovation in 2021. Free Wifi and 2 bottles of Mineral Water per day. Enjoy Afternoon Tea Service, Happy Hour, and full-service Morning Buffet service in the morning at Club Deluxe Room. Age over 13 is only allowed to access.