We have found these breeders that match your search: Mastiffs in Colorado (CO) Company Proprietor Address Phone/Fax Email/Site Premium Listing - Mastiffs off duty ranch Sue Roberts 4900 sw 87th ct. ocala, FL 34481 352-362-1357 (p) Email Site mastiff rescue April Murphy 19260 East Legend Ct Parker, CO 80134 720-851-8979 (p) SPOONTATER Sydney Kuhn Ordway, CO 81063 719-267-3169 (p) Site