All Bank Branches In Lake Barrington, Illinois Leave a Comment / By admin / October 30, 2018 List of all bank branches in Lake Barrington, Illinois: BMO Harris Bank BMO Harris Bank-Lake Barrington Shores Branch Related posts: All Bank Branches In Barrington, Illinois All Bank Branches In North Barrington, Illinois All Bank Branches In South Barrington, Illinois Bmo Harris Bank National Association-Lake Barrington Shores Branch