2018 National Convention 1777 Isle Pkwy, Bettendorf, IA 52722June 26 - 30, 2018 Isle Casino Hotel Bettendorf 1777 Isle Pkwy, Bettendorf, IA 52722 The 2018 National Convention will be held in Bettendorf, Iowa ~ June 26th - 30th. Convention-Registration-Form-2018 More information coming shortly Room Hopping Every Day !!! You must be a member of The Coca-Cola Collectors Club to attend the National Convention. Please Click Here to join the Club.