Gran Mastín de Borínquen

USD $1,500 - $2,500 Price Avg.

Guard Dogs


Cross Breed

Breed Type



9-12 years


Breed Information

Group Guard Dogs
Popularity/Rank 548
Origin Puerto Rico
Other Names Becerillo de Borinquen, Borinquen Mastiff, Mastín Borincano, Perro Barsino de Hacienda, Puerto Rican Mastiff
Breed Type Cross Breed
Price (Avg.) USD $1,500 - $2,500
How much does it cost to buy a Gran Mastín de Borínquen?
Gran Mastín de Borínquen are usually priced differently from breeder to breeder and from place to place. As a rough guide, you can expect to pay between $1,500 to $2,500 if you purchase your dog from a reputable breeder. The price will increase if the dog has a fantastic pedigree. Dogs that already have basic training maybe even more expensive. But, most Gran Mastín de Borínquens can be adopted through a shelter for a lower fee.
Size Giant
Weight Male: 100-150 pounds (45-68 kg),
Female: 90-130 pounds (41-59 kg)
Height Male: 24-28 inches (61–71 cm),
Female: 23-27 inches (58–69 cm)
Lifespan 9-12 years
Recognized by
Not recognized by the American Kennel Club. And Not recognized by FCI.
Purpose Guard Dog
Date of Origin 16th Century
Ancestry Perros Jibaros, Spanish Mastiff

Appearance & Maintenance

Coat Coarse, Straight
Coat Colors Black, Brindle, Deer, White
Grooming Level
Shedding Level
Eye Color Possibilities Brown
Nose Color Possibilities Black
Coat Color Possibilities Black, Brindle, Fawn, White
Coat Length Medium
Coat Density Normal
Coat Texture Straight
Recommended Brushes Nail Clipper, Slicker Brush
Brushing Frequency Weekly

Breed Characteristics

Temperament Affectionate, Aggressive, Alert, Caring, Defensive, Loyal, Protective, Strong, Vigilant
Sensitivity Level
Affection Level
Social Interaction Required
Watchdog Ability
Biting Force High
Impulse to Wander or Roam
Prey Drive
Tolerates Being Left Alone
Fighting Dog Not really

Good & Friendly with

Apartment Life Friendly
Stranger Friendly
Cat Friendly
Dog Friendly
Office Friendly No
Senior Citizens Friendly
Pet Friendly
Friendly with First Time Owners No
Service Dog Not really
Therapy Dog Not really
Detection, Sniffer or Security Dog Not really
Search and Rescue Dog (SAR) Not really
Boat Dog Not really
Cart Pulling or Drafting Dog Yes

Health Elements

Health Issues
Hypoallergenic No
Energy Level
Exercise Required
Sleeping Required
Weight Gain Potential
Weather & Climate Prefers warm weather
Stinkiness High
Drooling tendency
Activity Level Moderate
Rec. Walk Mileage Per Week 8 miles
Minutes of Activity Per Day 30 minutes

Food & Costing

Avg. Daily Food 8 to 10 cups of high-quality dry food a day, divided into two meals
Cups Per Day 3 cups
Daily Cost $1.50 - $1.90
Monthly Cost $39.00 - $52.00


Gestation Duration 60-64 days
How often can the Gran Mastín de Borínquen have a litter? Once a year.
Litter Size 9-11 puppies (Once a year.)


The Gran Mastín de Borínquen is a large, powerful dog breed that originated in Puerto Rico. This breed is known for its loyalty and protective nature, making it an ideal guard dog. The Gran Mastín de Borínquen has a unique appearance with a muscular body and thick coat. It has a long muzzle and ears that hang down close to the face. The eyes are dark brown and the nose is black.

When it comes to size, the Gran Mastín de Borínquen can reach up to 30 inches tall at the shoulder and weigh up to 150 pounds. They come in various colors including black, brindle, fawn, red, white, or any combination of these colors.

The personality of the Gran Mastín de Borínquen is one of loyalty and protectiveness towards its family members. They are very intelligent dogs that can be trained easily with patience and consistency from their owners. They are also very independent thinkers which makes them great problem solvers when faced with difficult situations or tasks.

The Gran Mastín de Borínquen is friendly with other dogs as well as people if they have been properly socialized from an early age. They may be wary of strangers but will warm up quickly once they get to know them better over time. This breed does not do well with cats or other small animals due to their strong prey drive so it’s best not to introduce them into homes where these animals already live unless you’re sure they can get along peacefully together without any issues arising between them in the future.

The temperament of this breed is calm yet alert which makes them great watchdogs for their families as they will bark when something suspicious arises but won’t become overly aggressive unless provoked by someone or something else firstly before doing so themselves firstly too then afterwards too then afterwards too again too then afterwards again too then afterwards again too then afterwards again too then afterwards again too .

When it comes to health concerns for this breed there aren’t many major ones however some common ones include hip dysplasia, elbow dysplasia, eye problems such as cataracts or glaucoma ,and skin allergies . It’s important for owners of this breed to keep up on regular vet visits in order to catch any potential health issues early on before they become more serious later on down the line .

In terms of adaptability level ,the Gran Mastin de Borinque does best in homes where there are plenty of space for them roam around freely without feeling confined .They also need plenty of exercise daily such as long walks ,jogs ,or hikes so that they can stay physically fit while also getting mental stimulation from being outdoors exploring new places . As far as benefits go ,this breed makes an excellent guard dog due its loyal nature combined with its intelligence which allows it think through situations quickly while still remaining calm under pressure . Additionally ,they make great companions who love spending time cuddling up next their owners after a long day out playing together !


The Gran Mastín de Borínquen is a large, mastiff-type dog breed originating from the island of Puerto Rico. The breed is also known as the Puerto Rican Mastiff, and is one of the rarest dog breeds in the world. The Gran Mastín de Borínquen was once a popular breed in Puerto Rico, but due to years of neglect and abuse, the breed became nearly extinct. In recent years, there has been a resurgence in popularity for the Gran Mastín de Borínquen, and the breed is now recognized by several kennel clubs around the world.

The history of the Gran Mastín de Borínquen dog is a long and complicated one. The breed is believed to have originated on the island of Puerto Rico, though there is no definitive evidence to support this claim. The first recorded mention of the Gran Mastín de Borínquen was in a book published in 1847, which described the dogs as being used for hunting wild boar. In the early 1900s, the Gran Mastín de Borínquen was introduced to North America, where it quickly became a popular show dog. However, due to years of neglect and abuse, the breed became nearly extinct by the mid-1900s.

In recent years, there has been a resurgence in popularity for the Gran Mastín de Borínquen. This is largely due to dedicated breeders who have worked hard to bring back this once-popular breed. Today, the Gran Mastín de Borínquen is recognized by several kennel clubs around the world, including the American Kennel Club and United Kennel Club. While still considered a rare breed, there are now more than 1,000 Gran Mastines registered worldwide.