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Mastiffs for Sale in Boulder, Colorado

(1 - 15 of 90)
  1. Easy going and friendly with dogs and humans, Chief is a ~2 year old English Mastiff mix who will have you smiling from the moment you meet him. His owner moved away and didn't take him so one of our fosters stepped up to save this deseving dog be...
    Chief ·12 hours ago on Petfinder.com
  2. This guy is a poodle mastiff mix, and he is as sweet as he is unique! Youve got to meet him to believe it, what an amazing demeanor! Friendly to all and a happy well balanced attitude - come meet him today at our Wellington shelter!!... see more a...
    Azuri ·3 days ago on Petfinder.com
  3. Meet Rambo, a 2-year-old Mastiff mix with a heart full of love and a playful spirit. Though a bit shy when you first meet him, Rambo quickly warms up to reveal his fun-loving and energetic personality. This gentle giant adores playtime and is alwa...
    RAMBO ·1 week ago on Petfinder.com
  4. Meet Little Man, a canine companion who is as sweet as he is shy. He's an adult dog who has a gentle demeanor that can warm even the coldest of hearts. He's been known to be a little timid at first, but once he gets to know you, he opens up and sh...
    LITTLE MAN ·2 weeks ago on Petfinder.com
  5. Bo, is a major lover! He is guessed to be a larger breed dog, like a Lab/Mastiff X, around 1-2 years old. He is playful and sweet and good with dogs. He will be a great family dog, who will love camping and outdoor activities. He is available for ...
    Bo ·2 weeks ago on Petfinder.com
  6. Max, a 3-year-old English Mastiff, is the epitome of a gentle giant. This big softie loves nothing more than leaning in for a cuddle session, offering warmth and companionship. Though his past may have been rough filled with abuse and neglect Max'...
    Max ·2 weeks ago on Petfinder.com
  7. Meet Luky, an adult dog who is an absolute bundle of joy. He's got energy to spare, always ready for a game of fetch or a brisk walk around the block. But don't let his high spirits fool you, Luky also loves to cuddle. His friendly nature makes hi...
    LUKY ·3 weeks ago on Petfinder.com
  8. … good with dogs, good with kids
    4 weeks ago on Adopt-a-Pet.com
  9. Looking for a Furever Friend? These adorable Mastiff-doodle mix puppies, born April 4, 2024, will be ready to find their forever homes after being spayed/neutered on June 4, 2024! ️ These playful pups are overflowing with friendly energy and they ...
    Over 4 weeks ago on Adopt-a-Pet.com
  10. Looking for a Furever Friend? Pearl is a sweet pup who wants to cuddle all day. She’s the tiniest of her litter so she’s always covered in food, but that doesn’t stop her from taking her fair share. She has a sweet personality and is absolutely ad...
    Over 4 weeks ago on Adopt-a-Pet.com
  11. Hi! I'm Stella! I am a mastiff & St. Bernard mix pup and my birthday is in November of 2023. I am very sweet, but I'm still very shy to show you. I am settling into my foster home but I am ready to go home forever! May 27, 2024, 4:45 pm
    Over 4 weeks ago on Adopt-a-Pet.com
  12. Zeus, a 3-year-old big and handsome Mastiff mix, with a loving and goofy personality, and is looking for a forever home. He's known for his affectionate nature, enjoying cuddles, belly rubs, and being close to humans, including children. Zeus is h...
    Over 4 weeks ago on Adopt-a-Pet.com
  13. This sweet girl was rescued from a high-kill shelter. Sabrina is a super-sweet girl who loves naps, cuddles, and long walks. She gets along well with mellow, polite dogs. Sabrina would do best in a loving, patient home that would show her that hum...
    Over 4 weeks ago on Adopt-a-Pet.com
  14. Meet Mr. Walton! This handsome 8 year old Mastiff/Boxer mix is the definition of gentle giant. At 85 pounds, he is the sweetest, cuddliest boy. Down to do whatever, as long as he's with you, Walton is the perfect companion. He loves to cuddle on t...
    Over 4 weeks ago on Adopt-a-Pet.com
  15. This kovu he is big teddy bear. He loves belly rubs and cuddles to sleep. He loves to play with other dogs and kids as well but I do suggest older kids. He loves anything outdoors hiking water snow etc. he is a big boy but a sweet heart all he wan...
    Over 4 weeks ago on Adopt-a-Pet.com

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