Mastiff Adoption in Ontario: Mastiff Puppies for Sale in Ontario

Adopt a Mastiff near you in Ontario

Below are our newest added Mastiffs available for adoption in Ontario. To see more adoptable Mastiffs in Ontario, use the search tool below to enter specific criteria!

Calypso

Mastiff

Female, 4 yrs

Belleville, ON

Size

(when grown) Med. 26-60 lbs (12-27 kg)

Details

Story

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Mastiff 1

Mastiff

Female, Puppy

Brockville, ON

Size

(when grown) -

Details

Story

Hi there...I'm still just a baby, and the world feels really big and kind of scary sometimes. I'm a Mastiff cross with soft eyes and a gentle heart. I love calm, quiet places where I can feel safe. Loud noises and busy environments make me a little nervous, so I'd be happiest in a peaceful home. If you have another dog who's kind and confident, I'd love that - I learn a lot by watching and following their lead.Right now, I'm still learning everything - where to go potty, how to walk on a leash, how to be brave. But I try really hard, and I always appreciate gentle words and soft encouragement. I don't need much - just someone who understands I need time, love, and a quiet place to grow into the brave, loving dog I know I can be.📩 Think we're a match? I'd love to meet you. Reach out today and let's start our story. Primary Color: Brindle Weight: 12.9 Age: 0yrs 3mths 2wks

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Mastiff 2

Mastiff

Female, Puppy

Brockville, ON

Size

(when grown) -

Details

Story

Hi...I'm just a little pup right now, learning how to be brave in a big, busy world. I'm a Mastiff mix, so I'll grow up to be strong and beautiful - but right now, I'm a soft-hearted, shy little girl who just wants to feel safe and loved.I'm gentle by nature. New people and loud sounds can make me a bit nervous, but with some patience and kindness, I'll start to come out of my shell. I really shine in calm, quiet spaces where I can go at my own pace. I'm still figuring things out - like where to go potty and how to walk on a leash - but I'm trying really hard and I love being told I'm a good girl.If you're someone who is excited to help a sweet pup like me grow into the loyal, loving companion I'm meant to be... I think we might be a perfect match.📩 Think we're meant to be? I'd love to meet you. Primary Color: Brindle Weight: 17.4 Age: 0yrs 3mths 3wks

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Mastiff 3

Mastiff

Female, Puppy

Brockville, ON

Size

(when grown) -

Details

Story

Hi... I'm just a pup, still figuring things out. Everything is new to me, and to be honest - it can be a little overwhelming. I'm a Mastiff mix with a big future ahead of me, but right now, I'm a quiet little guy who just wants to feel safe.I'm still learning about the world - walks, playtime, crate naps, and cuddles - so I'd love a family who's patient and kind while I figure it all out.If you're the kind of person who finds joy in quiet moments, soft ears, and the slow bloom of trust, I think I could be your guy.Hope to meet you soon!📬 Think you could be my safe place? Let's meet and see where it goes. Primary Color: Blonde Secondary Color: Brindle Weight: 17.25 Age: 0yrs 3mths 3wks

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Rugar

Mastiff

Male, Adult

Brockville, ON

Size

(when grown) -

Details

Story

Meet Rugar - A Cool Boy with a Heart of Gold!Rugar is a sweet, 2.5-year-old pup bursting with energy and love. He should be the only dog in the household and is happiest when he's surrounded by his favorite people. While he may be a little shy at first, with the right person, Rugar warms up quickly and reveals his affectionate, loyal nature.Rugar forms strong bonds with his people and can become stressed when left alone, so when left alone, he will need appropriate confinement to keep him safe and secure. A structured routine and patient guidance will help him feel more at ease over time. With the right environment, Rugar is sure to blossom into an incredible lifelong companion.If you're looking for a fun, playful, and devoted dog who's ready to bond deeply, Rugar might be the perfect match for you!📍 Visit Rugar at: 800 Centennial Rd, Brockville🕚 Adoption Hours: 11am-6pm📞 Call us: 613-345-5520💲Adoption Fee: $585Includes spay/neuter, vaccinations, dewormer, microchip, and more! Primary Color: Black Secondary Color: Blonde Weight: 37.6 Age: 2yrs 7mths 3wks

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Max

Mastiff/St. Bernard

Male, Young

Keswick, ON

Size

(when grown) -

Details

Story

Hi, my name is Max, Male - neuteredMastiff St. Bernard MixApprox. 1 year oldI'm a cheerful and lovable goofball, sometimes blissfully unaware of my size, but in the best possible way. I certainly know how to pose for a treat, though let's be honest-I'm always a sight to behold! I love going for walks and bringing along my favorite stuffed toy for the journey. If you want to play outside, just look at my tail wagging high with excitement! During my time in care, I've had the chance to join doggy play groups, which I absolutely adore. I enjoy the company of my fellow furry friends, although I have yet to meet any feline companions. Primary Color: White Secondary Color: Brindle Weight: 28.002 Age: 1yrs 0mths 1wks

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Mastiff puppies and dogs in Ontario

Jump to:

Adopt a Mastiff near you in Ontario

Below are our newest added Mastiffs available for adoption in Ontario. To see more adoptable Mastiffs in Ontario, use the search tool below to enter specific criteria!

Search for a Mastiff puppy or dog

Mastiff puppies and dogs in Ontario cities

Mastiff shelters & rescues in Ontario

Looking for a specific shelter or rescue?

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

Mastiff information

Mastiff basics

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Mastiff puppies and dogs in Ontario

Jump to:

Adopt a Mastiff near you in Ontario

Below are our newest added Mastiffs available for adoption in Ontario. To see more adoptable Mastiffs in Ontario, use the search tool below to enter specific criteria!

Search for a Mastiff puppy or dog

Mastiff puppies and dogs in Ontario cities

Mastiff shelters & rescues in Ontario

Looking for a specific shelter or rescue?

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

Mastiff information

Mastiff basics