Microchipped Mastiff Puppies For Sale In County Castlereagh

3 Microchipped Mastiff Puppies For Sale In County Castlereagh

Find 3 Mastiff puppies for sale across County Castlereagh, with prices currently ranging from £200 to £1,800. Compare listings from trusted local breeders and sellers, including KC registered and health tested litters.

This page brings together listings from across County Castlereagh, making it easier to compare availability, breeder details and prices across the county.

Price can vary by breeder, pedigree, location and what is included, so compare each advert carefully before contacting the seller.

New to buying a Mastiff puppy? Read our puppy buying guide, breed information and buying checklist to help you choose the right puppy and breeder.

  • Stunning bullmastiff pups 4

    Stunning bullmastiff pups

    21 hours ago
    • KC Registered
    • Ready in 6 weeks
    • 1 Male / 1 Female Puppies

    Stunning litter of bullmastiff pups available. Proper show true to type. Mum is from show kennels here in northern ireland, her father is ireland and international champion. Dad to the pups is a male we imported as a pup from serbia, both his parents are international champions. Pups will be Ikc registered Wormed 1st vaccination All females No males available We are based in

    £1,800

    J

    Jeff Active Today

    Private seller in Omagh, County Tyrone (59 miles)

  • Beautiful bullmastiff x pups for sale 5

    Beautiful bullmastiff x pups for sale

    2 weeks ago
    • Ready Now
    • 1 Male / 1 Female Puppies

    Beautiful Bullmastiff Cross Puppies – Looking for Their Forever Homes We have a beautiful mixed litter of Bullmastiff cross Puppies looking for their loving forever homes. * Mixed litter – males and females available * Well socialised with other dogs and children * Friendly, affectionate, and full of character * Raised in a loving family environment These gorgeous Puppies

    £350

    J

    Joanne

    Private seller in Saintfield, County Down (7 miles)

  • Golden retriever/ collie mixed 3

    Golden retriever/ collie mixed

    3 weeks ago
    • Ready Now

    Update 3 beautiful Puppies remaining out of a litter of 9 healthy pups , ready to go to there forever homes next week

    £200

    A

    Aideen

    Private seller in Omagh, County Tyrone (59 miles)

Similar results from outside your search

  • Frenchie cross pug 3

    Frenchie cross pug

    3 weeks ago
    • Ready Now
    • Male Dogs

    His name is ollie he 2 years old he id a frenchie cross pugfantastic with children and other dogs he hasn't been neuted only reason for rehoming is my little boy is allergic to him and he isn't getting the attention he needs and deserves. Will need to collect him as i don't drive

    £100

    A

    Abbie

    Private seller in Crewe, Cheshire (178 miles)

  • Italian mastiff cane corso pedigree 4

    ITALIAN MASTIFF CANE CORSO PEDIGREE

    3 weeks ago
    • KC Registered
    • Ready Now
    • 1 Year Old Male

    This beautiful boy is 14 months old and weighs around 120 lbs ..may be 160 lbs plus in a couple of years! He is a rare colour Fermentino Has injections record He is micro-chipped with all paperwork 5 generation Pedigree with papers Great on the lead but needs more socialisation training as he reacts to other animals! He is 'On Duty' 24/7 and is up at the gate at slightest

    £900

    D

    David

    Private seller in Leeds, West Yorkshire (192 miles)

  • Beagle Puppies 6

    Beagle Puppies

    3 weeks ago
    • Ready Now

    Beautiful beagle puppies boys and girls available mam and dad can be seen these are very friendly pups they’ve had their microchip and been wormed ad had flea treatment ready now

    £450

    A

    Andrew

    Private seller in Treharris, Merthyr Tydfil (228 miles)

  • Bill Colly Greyhounds 4

    Bill Colly Greyhounds

    3 weeks ago
    • Ready in 4 weeks

    Here I have 5 dog and 5 bitch Bull Colly Greyhounds. Both the mother and farther are house pets with really good temperaments. Could also be good for working too. For the first couple of months will require some photos just to see how the pups are getting on. If I don’t feel the right vibe from whoever is viewing the pups won’t be allowed to buy one. As I’d like them good

    £500

    J

    Jac

    Private seller in Bargoed or Bargod, Caerphilly (228 miles)

  • Cockerpoo f1 Puppies 5

    Cockerpoo f1 Puppies

    3 weeks ago
    • KC Registered
    • Ready Now
    • Male And Female Puppies

    We have a gorgeous litter of Cockerpoo puppies looking for their forever homes one apricot girl four boys two apricot and cream and two black and white. Mum is a Kc registered showline cocker spaniel hereditary PRA FN AMS clear dad is a miniature Poodle also Kc registered he has clear dna results for Sod1 Hexb Atf2 Vwf. We’re so proud of mum she’s been fantastic with her

    £1,100

    A

    Anne

    Private seller in Coventry, West Midlands (238 miles)

  • dogue de bourdeaux 15 month old puppy 5

    dogue de bourdeaux 15 month old puppy

    3 weeks ago
    • Ready Now
    • 1 Year Old

    kiico - stunning 15 month old puppy needs to be rehomed through no fault of his own. as im working away and cant rely on neighbours to look after him. good with other dogs good with children still very much a puppy with lots of energy enjoys long walks will be a big dog when fully grown. no papers pet only hence the price £1000 ovno will be sad to see him go

    £1,000

    S

    Skye

    Private seller in Berkeley, Gloucestershire (246 miles)

  • Toy Male Cavapoo Puppy 6

    Toy Male Cavapoo Puppy

    3 weeks ago
    • Ready Now
    • Male And Female Puppies

    We are happy to say that the females now have their forever homes. We have one stunning white male looking for his home. ❤️ Our beautiful fully health tested girl Violet and dad Quinn have had 4 beautiful babies. We love them so much!!! My name is Alice. My family and I have been hobby breeders for 6 years. We only have litters every couple of yrs so that we can dedicate

    £1,850

    A

    Alice

    Private seller in Fleckney, Leicestershire (249 miles)

  • Great Dane x Mastiff Puppies Ready Now 5

    Great Dane x Mastiff Puppies Ready Now

    2 weeks ago
    • Ready Now
    • 2 Female Puppies

    Great Dane x Mastiff Puppies – READY NOW We have 2 beautiful females available from a healthy litter of 9, born on 19/05/2026. These pups are expected to grow into large, loyal, and affectionate dogs, making excellent family companions and guardians. Dam (Mum): Great Dane x Mastiff Embark DNA tested Hip and elbow scored Sire (Dad): F2 Great Dane x Cane Corso About the

    £1,000

    T

    Tai

    Private seller in Ellon, Aberdeenshire (252 miles)

  • 7 pups looking for there forever homes 5

    7 pups looking for there forever homes

    1 week ago
    • Ready Now
    • 1 Male / 2 Female Puppies

    5boys 2 girls .. large breed pups all looking for there forever homes Dads a mastiff x Great Dane Mams mastiff x cane corso all homes will be vetted viewing is a must

    £1,000

    h

    h

    Private seller in Mintlaw, Aberdeenshire (262 miles)

  • Puppy for sale 3

    Puppy for sale

    5 days ago
    • Ready Now
    • 1 Female Puppy

    Due to unforeseen circumstances on were I love it's no fault of her own but I'm having to re-home our beautiful puppy she is American mastiff I have photos of mum and dad she's just turnt 2 months had first vaccination and microchip she is good with children she hates the crate I paid 500 for her so I'm looking for the same price collection only please as I don't drive I need

    £460

    S

    Stacy

    Private seller in Feltham, London (317 miles)

  • 10 week old puppy 3

    10 week old puppy

    • Ready Now

    STANDARD BULLY CROSS WITH ENGLISH MASTIFF! Bought for my son but he seems scared and I feel bad that the dog could be happier with another family. Comes with crate, bed, blankets, toys and food, treats bowls, puppy training pads, harness, lead, collar and shampoo. Very friendly dog. Price slightly negotiable

    £850

    J

    Jade

    Private seller in Islington, London (323 miles)

  • Bullmastiff cross Great Dane puppy 4

    Bullmastiff cross Great Dane puppy

    • Ready Now

    White and grey with black patches , we seeking her because I live in a top floor and I’m pregnant ,I can’t look after her she’s a very happy dog ,she’s good with babies and other dogs, luna is no fully bullmastiff she cross breed.

    £650

    A

    Alejandro

    Private seller in Clapham, London (325 miles)

  • 9 week old American mastiff 2

    9 week old American mastiff

    2 weeks ago
    • Ready Now
    • 1 Female Puppy

    Looking to get rid of her asap as we had bought her about a week ago and our circumstances have changed. She has been getting crate trained and toilet trained which has been going very well. Overall she is very peaceful and easy going. If our circumstances had not changed she would make a great family pet for our house. She does need to be chipped and vaccinated however she has

    £350

    C

    Charles

    Private seller in Redbridge, London (326 miles)

  • Mastiff x staffy puppies 4

    Mastiff x staffy puppies

    • Ready Now

    We are absolutely smitten with our 10 healthy, happy, and incredibly energetic little bundles of joy! These pups are full of character, spending their days playing, tumbling, and being their lively, mischievous, and sweet selves. 🐶✨ ​Raised in the heart of our busy family home, they are well-socialized and have been exposed to cats, making them great candidates for

    £800

    S

    Sue

    Private seller in Surrey Quays, London (327 miles)

  • 4 stunning cockapoo puppies for sale 5

    4 stunning cockapoo puppies for sale

    3 weeks ago
    • KC Registered
    • Ready Now
    • Male And Female Puppies

    Two boys available both are fully vaccinated I’m proud to announce that lady has had 4 amazing puppies she has had 3 handsome boy two red and one gold and we have a beautiful gold girl Lady is our family pet and is a KC registered gold show spanile she has a great temperament and a calm nature and is pra and fn clear Dad is a KC registered miniature poodle called Bentley who

    £1,000

    J

    John

    Private seller in Upminster, London (333 miles)

  • Cavapoo Little Girl 4

    Cavapoo Little Girl

    3 weeks ago
    • Ready Now
    • Female Puppies

    🐾 Last Cavapoo Little Girl Remaining 🐾 Our beautiful Cavapoo little girl is the last puppy left from her litter, and she is now looking for her loving forever home. She is sweet, affectionate, playful, and full of personality — the perfect companion for a family, couple, or individual looking for a loyal best friend. ✨ Friendly and loving temperament ✨ Low-shedding

    £995

    JI

    Julie Irene

    Private seller in Orpington, London (336 miles)

All Mastiff puppies for sale

Browse by price

Frequently Asked Questions

  • Based on our internal marketplace analysis from the last 6 months, a Mastiff puppy typically costs between £600 and £900, with an average price of £750. Note that premium prices usually reflect Kennel Club (KC) registration and litters from parents with verified health tests, such as hip and eye scores, which we strongly recommend for health security. Market data verified: 17th August, 2026

  • You can find Mastiffs through our localized search, which filters for licensed and Kennel Club Assured Breeders in and around the County Castlereagh area. Under UK law, any breeder producing three or more litters a year must hold a local council license. We recommend always visiting the puppy at the breeder's home to view the license and observe the mother (Dam) interacting with the litter to ensure high welfare standards.

  • Key things include health checks, vaccinations, pedigree documents, breeder reputation, and the puppy's temperament. Our site features detailed adverts and breeder profiles to help you make an informed decision. Read our Mastiff Buyers Guide for more information.

  • Licensed breeders meet high standards for animal welfare and breeding ethics. mastiff-owners.co.uk highlights licensed breeders so you can trust you're getting a well-cared-for puppy.

Save search

When you save a search, we will notify you about matching adverts as soon as they are posted