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Mastiff puppies and dogs in Avon, Colorado

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

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Adopt a Mastiff near you Mastiff in cities near Avon, Colorado Other pups in Avon, Colorado Search for a Mastiff puppy or dog near you Browse Mastiff puppies and dogs in nearby cities Browse related breeds in Avon, Colorado Mastiff shelters and rescues in Avon, Colorado Learn more about adopting a Mastiff puppy or dog

Adopt a Mastiff near you in Avon, Colorado

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 Avon, Colorado

These Mastiffs are available for adoption close to Avon, Colorado.
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Marley

Great Pyrenees Mastiff

Female, Senior
Winter Park, CO
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
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Story
Marley is an 8 yrs old, 100 lbs, half Great Pyrenees and half Brazilian Mastiff gentle giant. She has been raised with love, is well-trained and, although young children scare Marley, she is great with all other people. This girl is an easy, affectionate companion who gets excited to go for walks, but is also content to lay around the house. And, with her guarding instincts, you can trust Marley to alert you to any strangers approaching or if an evil leaf is blowing in the yard. If you are currently pet less and are interested in meeting Marley in her Granby home, please email mountainpetrescue@gmail.comJune 5, 2026, 4:50 pm

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Special Needs
Photo of Marley

Marley

Great Pyrenees Mastiff

Female, Senior
Winter Park, CO
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 special attention, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Urgent: Help Marley Find Her Colorado Forever HomeMarley is a loyal, 8-year-old Brazilian Mastiff/Great Pyrenees mix. After years of being a devoted companion, she is struggling to adjust to a new, mobile baby in the home. She has clearly vocalized her need for personal space, so she needs a quiet environment where her boundaries are respected.Why Marley is the Perfect Companion:Versatile Living: She is comfortable in smaller homes with regular walks but would also thrive with a yard.Expert Skills: Fully housebroken, non-destructive, and a "pro" on paddleboards!Easygoing: Calm, excellent on a leash, and the perfect companion for those who work from home.Health: Spayed and vaccinated. She thrives on a limited-ingredient diet (fish, lamb, or pork) for allergies.Her Ideal Match:Marley needs an adults-only or teen-home where she is the only pet (no cats or other dogs). She’s a gentle giant who prefers humans over other animals and loves staying close to her people.

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Use the search tool below to browse adoptable Mastiff puppies and adults Mastiff in Avon, Colorado.

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Mastiff puppies and dogs in nearby cities

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Related breeds in Avon, Colorado

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Looking for a specific shelter or rescue?

There are often many great Mastiffs for adoption at local animal shelters or rescues. Click below to find a shelter or rescue in your area!

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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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