Welcome to Dienner's mastiff Puppies For Sale Where to purchase a new AKC Mastiff puppy or adult English Mastiff Import is big choice for a family. At Dienner's Mastiff Breeders we believe that you should receive the type of quality world class championship Mastiff genetics that will ultimately lend to a healthy relationship between your family and your new English Mastiff for many years to come. We also make it our top priority to sell only the same quality of English Mastiff that we would have in our own world famous Mastiff kennel. We strive with each new litter of Mastiff puppies to improve the English Mastiff breed and to enhance the innate confidence and sociable nature of the Mastiff breed. Our Mastiff dogs are also bred to be great workers and defenders of their new families. The key to this time tested formula is inherited intellect and sound conformation. We feel blessed to own our own magnificent representations of the Mastiff breed, and know that their English Mastiff puppies are sure to far exceed even the highest of expectations. Quite simply, we breed Mastiff puppies that you can undoubtedly be proud of.