



I'm Tim D., the breeder behind Treasure Coast Mastiffs located in Florida. We work hard to produce healthy, well-rounded Mastiff puppies that will make others as happy as our dogs have made us! We give our dogs the best lives possible. We are looking for families and individuals that will provide our puppies with the same level of love and care.

What are the different breed coat colors in your program?
Where do your breeding dogs live?

These dogs are already reserved or have gone home.

William
Male

Kate
Female

Diana
Female

Charlotte
Female

Louie
Male

George
Male

Arthur
Male

Charles
Male

Henry
Male
Tim has been certified by Good Dog’s screening team for responsible and trusted breeding practices. When you’re ready to reach out, feel free to ask any questions about the breed, their program, or specific puppies.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

“The price includes a health certificate, AKC registration, the first round of vaccinations, deworming, puppy socialization, and a forever home bag. A $500 non-refundable deposit and a signed contract is required to hold the puppy.”
Tim may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Tim offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don’t hesitate to reach out to Tim directly.
You can drive or fly to pick up your puppy from Tim.
Meet in Florida
820 miles away
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Meet at Orlando Airport
765 miles away
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Tim has been a member of Good Dog for over 3 years
Tim was screened for responsible practices and has been a member since 2022.

Treasure Coast Mastiffs meets or exceeds our community standards in these areas:

Mastiff
About Rosie
Rosie is a female Mastiff. Carefully selected as a great representative of her breed, Tim decided to make her part of their program. Tim has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Great level
Treasure Coast Mastiffs reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Mastiffs.
Hip Dysplasia
Hip testing reduces the chance of passing down hip dysplasia, which is primarily found in large breed dogs and can cause hip pain and the eventual loss of the function of the hip joint.
Elbow Dysplasia Finals (OFA, BVA, SV, FCI)
Elbow testing reduces the chance of passing down elbow dysplasia, which is primarily found in large breed dogs and can cause arthritis in the elbow joint and front leg lameness.