English Mastiff (Mastiff) puppies for sale across Canada
Browse current listings and join the waitlist for English Mastiff (Mastiff) puppies across Canada.
Also known as: Mastiff, English Mastiff, OEM (Old English Mastiff)

Browse current listings and join the waitlist for English Mastiff (Mastiff) puppies across Canada.
Also known as: Mastiff, English Mastiff, OEM (Old English Mastiff)

Paction lists dogs for sale from ethical, health-tested breeders across Canada. You can search by breed and province to find your ideal companion.
Yes. Paction connects you with dogs for adoption from trusted breeders across Canada, including puppies that are ready for rehoming. Browse current listings or join a waitlist to be notified when a new litter is ready.
Yes. Alongside purebreds, you can find mixed breed pups from responsible breeders across Canada. Use the breed filter or browse all listings to explore what is currently available.
Every breeder on Paction is vetted before joining the platform. Paction breeders commit to health testing, transparent practices, and lifetime support for the dogs they place. You can read breeder profiles, view available puppies, and message breeders directly before making any decisions.
Puppy prices vary by breed, breeder, and location. Beyond the purchase price, budgeting for ongoing costs — vet care, food, grooming, and training — is equally important. Paction has built the Ultimate Dog Cost Calculator to help you plan for the full lifetime cost of your dog.

The English Mastiff (Mastiff), often called the Mastiff or English Mastiff, is a beloved breed with a rich history.
The English Mastiff is one of the oldest known dog breeds, with ancestors dating back over 2,000 years in Britain. Descended from ancient mastiff-type dogs used for guarding, warfare, and big-game hunting, the breed gained prominence during Roman occupation and later throughout medieval England. Over time, selective breeding shifted the English Mastiff away from aggression and toward steadiness, loyalty, and calm guardianship. Today’s English Mastiff retains the breed’s impressive size and courage but is best known as a devoted family companion and gentle protector.