How Big Will A Maine Coon Mix Get? (Eye-Opening Info)

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There is a lot of information on the internet about Maine Coons since they are one of the most popular cat breeds in the United States. Unfortunately, there is far less information on the internet about Maine Coon mixes, which makes it harder to answer questions about Maine Coon mixes.  I’ll do my best at tackling this subject based on the information available.  One common question is how big will a Maine Coon mix get?

Maine Coon Mix cats will range from 8 to over 18 pounds in weight.  So, it is possible for a Maine Coon mix to get just as large as a purebred Maine Coon cat. The size of a Maine Coon mix will be based on the genetics received from the parent cats consisting of a Maine Coon and another cat breed.

Maine Coons are large majestic domestic cats, and that makes their mixes quite interesting to think about. Read on to learn more about these magnificent and surprising cats!

If you wonder what the best products are for your cat, check out this article that will break down all my recommendations for you: Things To Buy For A Cat Right Now!

How Can You Tell if You Have a Maine Coon Mix?

There are several different physical characteristics to look out for to determine if your cat is mixed with a Maine Coon.


The size of a cat with Maine Coon lineage can be the biggest giveaway. If your cat is larger than the average weight and size of a domestic cat but isn’t overweight, he could be mixed with a Maine Coon.

Slow Maturity and Extra Toes

These felines are slower growing and maturing than average domestic cats. If he continues to grow, even until five years of age, this is a typical sign of Maine Coon lineage. Average house cats typically stop growing after 2-3 years of age.

It’s possible that your cat is mixed with a Maine Coon (and not a purebred Maine Coon) if they have an extra toe as well, which is referred to as “polydactylism.” This is to help them balance their bodies in the snow and ice better.

However, it’s also not uncommon for other average domestic cats to have this as well.  Purebred Maine Coons don’t have this extra toe since it was not ideal for showing cats in competitions.

Coats and Tails

Don’t go by their coat’s color or pattern. This is unreliable. Instead, go by if your cat has thick fur all year long, even during the spring. You can also assume they have Maine Coon connections if they have more of a ruffle and/or thicker fur near their neck.

The length of their tails and the bushy-ness might also be a telltale sign of Maine Coon blood. Their tails tend to be 10-18 inches long and extremely thick to help keep them warm and insulated.

Genetic Testing

It’s important to note that there is no telltale sign that your cat is mixed with a Maine Coon. Some mixes will have all the traits of a Maine Coon, yet others may only have some. In addition, because the Maine Coon is mixed with another breed, the cat’s Maine Coon characteristics can be diluted.

The only accurate way to know for sure that your cat is a Maine Coon mix is genetic testing.

Why Adopt a Maine Coon Mix?

If you want the perfect combination of a Maine Coon’s physical traits and personality, but also the traits of a domestic cat, then a mix might be the right fit for you. Plus, if your budget is an issue, a mix would be more affordable than a purebred.

If the size of a purebred Maine Coon is particularly daunting, but you love their looks and personalities, then a mix could be perfect for you since they tend to be smaller.

However, it is worth mentioning that when looking for a Maine Coon mix, you should keep your eyes peeled for specific characteristics to be sure your feline is mixed with this particular breed.

How to Care for a Maine Coon Mix

When adopting any animal, a pet owner must research how to best care for their pet. This is no different with a Maine Coon mix.


Even though they may be long-haired, their fur is relatively easy to maintain and groom. In addition, it is easier to handle than most other long-hair breeds because it is more challenging to become matted. Also, as they are cats, they more often clean themselves. But, due to the long length of their fur, it is best to brush them at least once every week as well.

These cats also love swimming, so a bath would not be such a bad idea either. Allowing them to also play with water safely on occasion will ignite their natural curiosity and playful nature.

Exercise, Playing, and Diet

Maine Coons and most mixes have a lot of energy, so it is a good idea to have toys to keep them entertained. Having an assortment of cat toys, a scratch post or mat, and even a cat tree available would make for a happy housecat.

It is always a good idea to spay and neuter any house pet, so this goes for Maine Coons and mixes as well. Like with other cats’ care, a Maine Coon mix owner should also keep their feline friend up to date on his shots, keep his litter box clean, and trim his nails.

Keeping your Maine Coon mix healthy is vital. Making sure they get enough exercise (even if they are purely indoor cats) and eating a healthy diet are critical aspects to a happy and healthy life.

Maine Coon mixes do not have different diets from any other domestic cats. But, due to their size, they do require more food than others.

Illnesses and Other Ailments

Due to their large size, it is much easier for a Maine Coon and mixed breeds to develop hip dysplasia. They are also prone to heart disease, specifically feline hypertrophic cardiomyopathy. They also often have Spinal Muscular Atrophy, which is a non-life-threatening affliction. It is brought on at around 3 or 4 months of age in many Maine Coons.

Physical and Other Traits of Maine Coons

Maine Coon Cat

Maine Coon cats are more unique in comparison to other domestic cats. They are often referred to as “gentle giants.” They can potentially weigh double what an average domestic cat would weigh but have kind and warm temperaments.

The longest Maine Coon on record was four feet long from the tip of his nose to the end of his tail. That is much longer than a domestic cat, which is an average of 30 inches in length.

Maine Coons even have special fur. They are long-haired cats with a shaggy coat that’s ideal for colder climates and temperatures. Even their paws are larger and plusher, another advantageous physical trait for the cold.

Their bushy and soft fur also comes in a variety of colors: 75. Their coat is even water-proof, which is again ideal for the cold and even water.

Personality Traits

Much like humans, it isn’t just what’s on the outside that matters. Their personalities are essential, too. These felines are social and often referred to as being more like dogs than cats. You can even train a Maine Coon if you so chose to do so.

One very unique personality trait these cats have is that they love water. This might have something to do with their ancestry, which had many generations on ships as vermin-catchers.

Do Maine Coon Mixes Get Big?

Yes, Maine Coon mixes can get big. However, the most critical factor in the Maine Coon mix’s size is the genetics of its parents.  So, if you have one parent cat that is a Maine Coon and another much smaller parent cat (say…an Exotic Shorthair), that cat will be a decent size but probably not as large as a normal Maine Coon. 

However, if you have one parent cat that is a Maine Coon and another parent cat that is a Siberian, you can expect that cat to be large, maybe even as large as a normal Maine Coon.

My advice on learning more about the sizes of Maine Coon mixes is to talk to some Maine Coon breeders, Maine Coon adoption agencies, or veterinarians that have experience with Maine Coon cats.

Are Maine Coon Mixes Aggressive?

Maine Coons by themselves are not aggressive cats.  They are loving and affectionate but also capable hunters (mice beware!).  So, if you find a Maine Coon mix that seems aggressive, it is not likely from the Maine Coon side. However, if the Maine Coon was bred with a Serval or Savannah, it would likely be more aggressive than a normal Maine Coon.  My advice is to discuss this with a breeder or veterinarian who knows a lot about Maine Coons and mixes. 

The truth about aggressive cats, though, is that it is far more likely that they are aggressive due to being feral, not being desexed (neuter/spay), or due to how humans have treated them. 

Are There Maine Coon Mixes?

Yes, there are Maine Coon mixes.  This is not a purebred cat breed, which is why they are a mix.  This cat was parented by a Maine Coon and another cat breed, such as a domestic shorthair (the most common cat breed in the USA).  Here is an example of a rescue that saves Maine Coon mixes:  OMC Rescue.

Do Maine Coon Cats Like To Cuddle?

Maine Coons are highly affectionate and love cuddling.  This means you can expect a large domestic cat likely rubbing against your legs. 

Is a Maine Coon an Indoor Cat?

Yes, I recommend you keep your Maine Coon indoors due to the risks of letting your cat roam freely outdoors.  Maine Coons are fantastic cats and are known to live good lives indoors. However, letting your cat roam freely outdoors exposes them to risks such as tainted water, other animals that could have diseases (raccoons, coyotes, feral cats, etc.), and automobiles. 


Video: Maine Coon

Owning a pet has a plethora of advantages: companionship, nurture, unconditional love, and responsibility.

Maine Coon mixes (depending on the parents’ lineage) could be an excellent option for a housecat.  I recommend you communicate/visit with an adoption agency specializing in Maine Coon mixes to get the right Maine Coon mix for you!

If you liked this article, check out a few more:

  • Do Cats Like Cat Strollers? (The Honest Truth):  Click Here.
  • Are Maine Coons Legal in New York, California, and Texas:  Click Here.
  • Are Maine Coons the Biggest Cats? Find Out Now:  Click Here.

Christopher Carlson

I have an Domestic Shorthair Tabby named Charlotte. She is full of energy when she isn't sleeping most of the day. I share what I learn about cats on this site.

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