English Mastiff Breeders, Bloodlines & The Pack Behind Our Puppies

From a Single English Mastiff Dog Dad, to a Dream Fulfilled

I fell in love with the breed the day I got my first English Mastiff, Conan. From that moment on, I knew I wanted to share the unmatched loyalty, warmth, and companionship these dogs bring into your life. It was that first bond which sparked a lifelong dream to breed English Mastiff puppies with the same heart and heritage as my boy, Conan.

Years later, that vision took shape on a 10-acre farm in Sneads, Florida. MLJ Mastiffs was born not from business, but from deep admiration. Today, we raise every pup with the same heart and intention that started it all—with family in mind.

The MLJ Mastifff's Breeding Philosophy

More Than Just Big Dogs, We Breed Gentle Giants.

At MLJ Mastiffs, we breed with purpose. We’re committed to improving the English Mastiff breed through:

Selective pairing for ideal bone structure and size
Close observation of temperament from day one
Daily socialization and exposure for well-balanced behavior

Gentleness isn’t guaranteed by genetics alone—it’s shaped through care, patience, and understanding. That’s what we do every single day.

What Sets Us Apart

Health, Heritage & Unmatched Care

We don’t stop at bloodline. Our English Mastiffs are thoroughly screened and raised to thrive. What makes MLJ Mastiffs different?

Champion & Grand Champion Bloodlines
OFA Testing – hips, elbows, and heart
250+ Genetic Health Checks for breed-specific risks
Raised indoors in a climate-controlled environment
Supplemented early for immune health and strong development
AKC pedigree, CHIC Certified, DNA for Dog Breeders (Institute of Canine Biology)

We believe better breeding starts with better standards—and the proof is in our puppies.

Meet the Sires & Dams

Champion Roots. Gentle Souls

Selecting the right sire and dam is crucial in breeding English Mastiffs that exemplify the breed’s best qualities. At MLJ Mastiffs, we adhere to stringent criteria when hand-selecting our breeding pairs for ideal characteristics in temperament, physique, and lineage. But, our sires and dams are selected for more than just great looks and winning personality. Each is evaluated carefully to ensure they represent the best of the English Mastiff breed—inside and out. This involves a comprehensive evaluation of several key factors:

Comprehensive Health & Genetic Screening
All breeding dogs undergo OFA testing for hips, elbows, and heart, along with 250+ breed-specific genetic health checks.
Stable, Gentle Temperament Evaluation
Only dogs with calm, confident, and friendly personalities are considered—ideal traits for lifelong companions.
Conformation to AKC Breed Standards
Size, structure, gait, and overall presence are reviewed to ensure alignment with the official English Mastiff breed profile.
Documented Pedigree Analysis for Genetic Diversity
We study lineage to reduce inherited risks and preserve the integrity of the breed’s strongest traits.
Purposeful Pairing for Complementary Traits
Breeding matches are made based on balance—combining structure, temperament, and strengths to build better pups.
Ethical Breeding Practices That Prioritize Well-Being
We follow best practices to protect the health and longevity of both the sires and dams, including proper timing and recovery between litters.

Hear From Other Puppy Parents

Real Reviews. Real Love.

5.0 6 reviews

We definitely found our best friend at MLJ Mastiff's! Brian was excellent with communication throughout the entire process. He was very knowledgeable and took the time to answer all of our questions.Our puppy is absolutely beautiful and was clearly very well cared for before coming home to us. You can tell he truly cares about his dogs.Overall, it was a great experience, and we highly recommend them to anyone looking for a new furry family member!
Tiffany Shufelt ★★★★★
I can’t say enough great things about our experience with MLJ Mastiffs. From the very beginning, they were knowledgeable, responsive, and genuinely passionate about the breed. It was clear they truly care about their dogs—not just as breeders, but as part of their family.The puppies are raised in a clean, well-maintained environment and are well-socialized, healthy, and loved. Our Mastiff came home confident, gentle, and already showing the amazing temperament the breed is known for.What really stood … read more out was the breeder’s communication and transparency. They took the time to answer all of our questions, provided updates along the way, and made sure we felt fully prepared to bring our puppy home. You can tell they prioritize responsible breeding practices and the long-term well-being of their dogs.If you’re looking for an English Mastiff with a sound temperament, strong health, and a breeder who truly cares, I would absolutely recommend them without hesitation. We are so excited to have our new family member home!
Jenna Russ ★★★★★
We just picked up our new fur baby from here and we love him. They are fantastic to deal with and really care about all of the fur baby’s. Really helpful about getting set up properly and made us feel great about our decision. Meet Harley!
Christopher Jones ★★★★★
MLJ Mastiffs is a great place to get your new best friend. It was easy to communicate & all our questions were answered. The dogs are well cared for & our vet said they have well kept records through AKC. She also said our puppy is very healthy & this made us very glad to hear. It was a geat experience & we love our new family member!
R Austin ★★★★★
They are very good. Very quick to reply to any questions. Very supportive throughout the process. I’ve purchased mastiffs before and never had such great support. I highly recommend
Jason Constantine ★★★★★
When you work with these people they make you feel like family. Very thorough break down of the whole process was provided to me and they have absolutely beautiful dogs!
Andrew C ★★★★★

Our puppies are now living happy, healthy lives all over the U.S. — and their families love sharing their stories. Read more reviews and testimonials on:

It Takes Big Love to Raise an English Mastiff. Here’s How We Make It Simple

From our nursery to your home, we put love and intention into every step of raising an MLJ Mastiff. Learn more about our adoption process, puppy care, and what to expect when bringing one of these big-hearted companions home.