Browse Mastiffs for sale in Donaghadee, County Down, including KC registered and health-tested puppies with photos, prices and full breeder details.
Dogs available from licensed and trusted breeders in the local area, alongside experienced dog owners, with new listings added daily.
Many puppies are also available in nearby areas such as Ballyclare, Ballynahinch and Bangor, making it easy to find Mastiff puppies for sale close to Donaghadee and across County Down.
4Its not about the dog you want, its about the owner she needs. She'll be her best self with a woman owner. She was born on 1st February 2025 She's a Mastiff cross and very loyal. I'm moving, I can't take her to my new place. Loves to play with tennis balls and go on long walks. She has 2 meals a day - Wainwright wet and dry food She gets X3 walks per day She doesn't really get
£600
Ella Active Today
Private seller • Newcastle, County Down (33mi)
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5Dew to a job change have to sell my dog
£500
Mad
Private seller • Linlithgow, West Lothian (123mi)
5An adult Mastiff costs around £600. This is the average price of the Mastiff itself and other costs involved include vet bills and supplies, dog food, treats and toys.
Adult Mastiffs are often available through three main channels: Retiring Breeders (who may rehome a dogs after its breeding career),Private Rehoming due to lifestyle changes, and Breed-Specific Rescues. When browsing our adult listings, look for 'KC Registered' or 'Health Tested' tags. Unlike puppiess, adult dogss should be assessed for their behavior around children, other pets, and their ability to be left alone, as these are the most common reasons for adult rehoming.
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.