Mastiff Adoption in Saint Peters, MO: Mastiff Puppies for Sale in Saint Peters, MO

Adopt a Mastiff near you in Saint Peters, Missouri

These Mastiffs are available in Saint Peters, Missouri.

Wendell

Mastiff Mixed Breed (Large)

Male, 6 yrs 3 mos

St. Louis, MO

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Good with dogs, Spayed or Neutered,

Story

Meet Wendell! 💛 Wendell is a 6-year-old Mastiff mix with a heart as big as his 75-pound frame! This gentle giant was taken in as a stray at just 7 months old and has spent the last several years living peacefully in a home with 15 other dogs of all ages and sizes. He’s truly a pack-friendly boy who gets along with everyone. Unfortunately, his owner had to downsize her dog family, so Wendell came to us. From the moment we met him, it was clear—this boy is pure love! 🥰 He’s chill, affectionate, housebroken, and oh-so-sweet. Wendell absolutely aced his temperament test and showed us just how easygoing and wonderful he is. If you’re looking for a loyal, laid-back companion who will fit right in with your family, Wendell is your guy! This handsome hunk of love is ready to give his heart to a forever home. 🐾 Housebroken 🐾 Dog-friendly with all shapes and sizes 🐾 Big, gentle, and so loving 🐾 Perfect family dog

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Or, how about these Mastiffs in cities near Saint Peters, Missouri

These Mastiffs are available for adoption close to Saint Peters, Missouri.

Wendell

Mastiff Mixed Breed (Large)

Male, 6 yrs 3 mos

St. Louis, MO

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Good with dogs, Spayed or Neutered,

Story

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Luke AG

Mastiff American Pit Bull Terrier

Male, 3 yrs 10 mos

St Louis, MO

Size

(when grown) X-Large 101 lbs (46 kg) or more

Details

Good with kids, Good with dogs, Not good with cats, Spayed or Neutered,

Story

Hi, I’m Luke, and I’m a big, lovable boy tipping the scales at just over 100 lbs! Don’t let my size fool you—I’m a happy, easygoing pup who just wants to play, explore, and cuddle. I’m all about the good things in life: squeaky toys, water play, long walks, and best of all—snuggle time on the couch. I’m a pro at giving hugs (though I’m working on not jumping up too hard to give them—oops!). I get along great with other dogs and kids, but because of my size and enthusiasm, I’d do best with older children who won’t get accidentally knocked over during playtime. I’m crate trained, housebroken, and walk nicely on a leash—unless there’s a squirrel… then it’s game on! I do have a slight prey drive, so a little guidance goes a long way. If you’re looking for a big-hearted, playful companion to fill your home with love (and maybe take up some space on your couch), I’m your guy. Let’s make forever happen! 🐾 Local adoption fee is $200(in TX) Out of state adoption fee is $450 (includes transport to your area)

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WALTER

Mastiff

Male, 5 yrs

St. Louis, MO

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Spayed or Neutered,

Story

Walter is friendly, outgoing, and his happiness is contagious. He walks well on a leash and seems to be potty trained. He knows sit, loves to play with squeekie toys, and wants all the pets.

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Bellatrix

Mastiff

Female, 8 yrs 2 mos

St. Louis, MO

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Spayed or Neutered,

Story

Meet Bellatrix – The Gentle Giant with a Harry Potter Twist! Bellatrix may share a name with a famous witch, but don’t worry—she’s all love and loyalty, no dark magic here! This 8-year-old Mastiff is a wise and gentle soul who prefers cuddles over curses and cozy naps over chaos. She absolutely adores people and will happily be your most devoted companion. Bellatrix is potty and crate trained, though she hardly needs her crate it because she’s such a well-mannered lady. Her ideal home? A calm, loving environment where she can relax and feel like the queen of her own Great Hall. She would do best as the only dog in the home. Bellatrix enjoys short strolls, comfy spots like the couch, and being near her favorite humans—she’s basically your very own magical protector. If you’re ready to add a little enchantment (and a lot of love) to your life, Bellatrix is waiting to cast her spell on your heart. Her adoption fee is fully sponsored. Ready to meet Bellatrix? She’s more Hufflepuff than Slytherin—bring her home today! Visit Istodaymydayrescue.org to learn more or fill out an application.

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Mr. Bojangles

Mastiff Mixed Breed (Large)

Male, 3 yrs 5 mos

St. Louis, MO

Size

(when grown) -

Details

Spayed or Neutered,

Story

Meet Mr. Bojangles, a distinguished male dog around three years old, who brings both class and a dash of drama to the table! He would like to clarify that the vocalizations you hear from his kennel are not barking, but rather his intensive opera training in progress! Once he's out, this fancy-pants gentleman is incredibly chill and sweet, and he walks like a pro—no pulling, unless nature is making an urgent call. Mr. Bojangles is a certified foodie who appreciates a good gourmet treat but is just as happy with a classic peanut-butter bone. Basically, he’s a loyal companion who is effortlessly refined and ready to serenade his way into your heart!

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Meryl Streep

Mastiff Mixed Breed (Medium)

Female, 1 yr 11 mos

St. Louis, MO

Size

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

Details

Good with kids, Good with dogs, Good with cats, House-trained, Spayed or Neutered,

Story

🩷I learned much about adorable Meryl Streep yesterday as we buddied up and attended CARE’S Adoption Event at “Tower Grove Pride” event. This adorable one and a half year-old pup showed her happy self from the moment she jumped in the car and was the perfect backseat rider. 🩷As we walked to CARE’S tent Meryl walked well on the leash. The event was well attended and this sweet pup was friendly and sweet throughout. As participants of all ages came up to say “Hi” and gave her pets she was gentle to everyone. As other dogs passed she was mostly indifferent being content and enjoying the moment. When this precious girl was tired she laid down and fell fast asleep and stayed like that as the action continued all around her. After her short nap we headed back to the car. This precious, perfect girl made the day’s event fun, happy and totally enjoyable for me her sidekick💕 🩷All I could think is this fabulous pup belongs in a loving home and hopefully soon! Meryl Streep, is a treasure and would be a cherished pup for many families. -Her eye condition is called Cherry Eye and is not serious and will be taken care of by CARES clinic when she’s adopted. 🩷She is at CARE STL for you to meet and possibly fall in love just like me🩷🐾XOXO

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Mastiff puppies and dogs in Saint Peters, Missouri

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Adopt a Mastiff near you in Saint Peters, Missouri

These Mastiffs are available in Saint Peters, Missouri.

Or, how about these Mastiffs in cities near Saint Peters, Missouri

These Mastiffs are available for adoption close to Saint Peters, Missouri.

Search for a Mastiff puppy or dog

Mastiff puppies and dogs in nearby cities

Related breeds in Saint Peters, Missouri

Mastiff shelters & rescues in Saint Peters, Missouri

Looking for a specific shelter or rescue?

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

Mastiff basics

Mastiff basics