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Mastiff puppies and dogs in Belleville, Ontario

Looking for a Mastiff puppy or dog in Belleville, Ontario? Adopt a Pet can help you find an adorable Mastiff near you.

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Adopt a Mastiff near you in Belleville, Ontario

We don't see any Mastiffs available for adoption right now, but new adoptable pets are added every day. Try a different search below!

Or, how about these Mastiffs in cities near Belleville, Ontario

These Mastiffs are available for adoption close to Belleville, Ontario.
Photo of Hallie

Hallie

Mastiff

Female, 2 yrs
Kingston, ON
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
Meet Hallie!Joined us in: June 2026About Hallie:· Weighs 33kg.· A sweet, affectionate girl who enjoys attention and spending time with her people.· Can be nervous when meeting new people but warms up with patience and kindness.· Loves to run and play and would thrive with opportunities to burn off her energy.· Would benefit from basic obedience training and confidence-building exercises.· Highly food motivated, making training a fun and rewarding experience.Her perfect match:· An experienced owner who understands the needs of a strong, energetic dog.· A home with a fenced-in yard or secure outdoor space where she can safely run and play.· Someone committed to continuing her training, including leash manners and basic obedience.· A family with dog-savvy children aged 10 years or older who can interact respectfully with her.· May potentially do well with another dog of a similar size and energy level that can appropriately take correction.Some extra facts about Hallie:· Highly food motivated and should be fed separately from other animals, as she may guard her food.· Can be strong on leash and would benefit from continued leash training.· Enjoys being active and will thrive with regular exercise and enrichment.· Takes a little time to feel comfortable in new situations but forms bonds once she trusts you.· A silly and loyal companion with really great zoomies.In short:Hallie is a sweet, active girl looking for an experienced home that can provide guidance, structure, and continued training. With patience, confidence-building, and plenty of opportunities to exercise and have fun, she has all the makings of a loyal and affectionate companion.
Photo of Gatlin

Gatlin

Cane Corso Mastiff

Male, 3 yrs
Kingston, ON
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Not good with kids, Not good with dogs, Not good with cats, Needs experienced adopter, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Hi, I'm Gatlin!  I love to snuggle, chase butterflies, play with the garden hose and spend time with my best furriend Khoya.  I keep a close circle and have a really hard time making new furriends. Stranger danger, amirite?? Speaking of Stranger danger, I don't trust new people and can react aggressively out of fear. Thankfully I've mastered wearing a muzzle so I can experience the outside world! I will need a lot of time to learn to trust my new family and would prefer to stay safe in my crate when visitors come by. Also, tiny humans scare me. They're so grabby and unpredictable - adults only please!! DOB: 2024 Breed: Cane Corso, Approx 110lbs

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Mastiff shelters & rescues in Belleville, Ontario

There are animal shelters and rescues that focus specifically on finding great homes for Mastiff puppies in Belleville, Ontario. Browse these Mastiff rescues and shelters below.

Here are a few organizations closest to you:

Shelter

41.9 miles

Kingston Humane Society

1 Binnington Crt, Kingston, ON K7M 8M9

Pet Types: cats, birds, dogs, rabbits, small animals

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Want to learn more about adopting a Mastiff puppy or dog?

We've got all the info you need on adopting and caring for a Mastiff puppy. Check out the links below for everything you ever wanted to know about Mastiff puppies and adults.

Mastiff basics

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Where do Mastiffs come from? How many types of Mastiffs are there? From the history of the breed to question about average height, weight and size, brush up on these basic facts about the Mastiff.

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