8 Best Dog Collars for Mastiffs in 2023

Calm, cool, and collected, mastiffs typically stand at around 30 inches tall and can weigh up to 230 pounds. However, despite their intimidating size, mastiffs often have a much gentler temperament than many other breeds.

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Historically, these dogs fought alongside Roman and British armies but were almost entirely wiped out after World War II. It was only with the help of U.S. breeders that the population was eventually restored.

Today, most mastiffs aren’t equipped to fight any battles, but they’ll happily try and climb into your lap or lounge around the house. Anyone who owns a mastiff knows that, despite their easy going nature, this breed still requires plenty of care. Along with training, your mastiff will need everyday essentials like a harness, toys, and a collar.

While some mastiff owners might argue that a collar isn’t necessary, this item may be more crucial than you think. Not only will some areas require that your mastiff wear a collar out in public, but you also never know when your dog might wander off. A mastiff who wears a collar with an ID tag has a much higher chance of being returned to his or her owner.

Unfortunately, figuring out whether or not to purchase a collar isn’t the tough part–finding the right one to buy is. The good news is that you don’t need to go shopping alone-we’ve already highlighted the best mastiff collars for you.

What to Look for When Buying a Collar for your Mastiff

While some collars might last forever and function well, others will disappoint you every time. The trick is being able to identify what features make up a good mastiff collar, and which ones don’t.

The first thing to pay attention to is adjustability. Mastiffs can sometimes continue to grow for almost two years which means their necks will also get wider too. Unless you want to keep purchasing a new collar every few months, you’ll need one that’s fully-adjustable. Typically, collars that use sliders or buckles tend to leave more room for adjustment (and may be a better option for growing mastiff puppies).

Another thing to pay attention to is durability. Even if the collar is fully-adjustable, you still won’t be getting your money’s worth if your mastiff demolishes it within a week. You can’t always know if a product is going to last before you buy it. Collars that use sturdy material like polyester webbing or thick nylon tend to be more durable than those that don’t.

Comfort will always be an issue–especially since mastiffs have thin, short coats. Since your dog won’t be able to communicate discomfort, you’ll need to look for visible signs like skin irritation or chafe marks. Even collars that fit correctly can leave behind visible marks. To avoid this, try searching for collars that use soft, padded interiors.

Different Types of Dog Collars for Mastiffs

First-time dog owners might assume that all collars look and function the same way, but that isn’t actually true. There are several different types of mastiff collars out there, and not all of them will be an excellent fit for your pup.

Choke chains, for instance, are becoming a less popular choice for many owners. Whenever your mastiff pulls harshly on the leash, a choke chain will tighten around his neck until he stops. Given how strong mastiffs are, choke chains are a controversial choice–and can sometimes cause more harm than good.

A safer alternative for many dog owners is the martingale collar. Unlike the choke chain, the martingale collar won’t apply enough pressure on your dog’s neck to choke them. Instead, it will only tighten enough to discourage the behavior. If your mastiff won’t stop pulling on the leash or trying to escape the confines of the collar, a martingale collar might be enough to correct the bad habit.

Shock collars, or electronic training device, also tend to be controversial. If your mastiff won’t stop barking, escaping the yard, or acting aggressively with strangers, a shock collar may be able to help. Usually with a remote control, you can prevent your mastiff from doing something bad by shocking them. In most cases, these shocks aren’t enough to actually harm your mastiff–only enough to discourage them.

Best Dog Collar for Mastiffs

We know how difficult it can be to find the best collar for your mastiff, which is why we’ve already gone ahead and found it for you:

31″ Bully’s Dog Collar for Large Dogs

Best for Every Day Use

It’s not easy to find a collar that’ll fit one of the largest dogs around. A hearty Mastiff can measure up to 38″. Usually they hit closer to 28-30″ though. It’s definitely best to measure your dog before following any of the recommendations below as the top ranges do fall short in some cases.

As for the Bully’s dog collar the XXXL tops out at 31″ which should work for most Mastiffs. It’s a heavy duty nylon fabric and comes in a variety of colors. In addition, it has a nice wide 2″ strap that adds comfort for your dog without cutting into their neck. The Bully’s collar also is fully machine washable and comes with stainless steel hardware that makes it a great option for every day use.

7 More Highly Rated Dog Collars for Mastiffs

There’s no reason to just pick one—here are several more of the top-rated mastiff collars for you try:

K9konnection Remote Controlled Training Shock Collar

Best Electronic Training Collar

Although mastiffs tend to be easygoing, relaxed dogs, that doesn’t mean you won’t ever need to use an electronic training collar to prevent excessive barking or to keep them in a specific area. If you do, the K9konnection Remote Controlled Training Shock Collar might be the best choice then.

With this device, there are four different modes for you to utilize as well as a hundred different adjustable levels of correction. The collar also works up to 330-yards away so you’ll be able to manage your mastiff from a distance if you need to. When it’s time to recharge, the dual charging cords allow you to charge both the remote and collar at the same time.

Country Brook Design Bone Camo Martingale Dog Collar

Best No Slip Martingale Collar

If you’re interested in a less extreme alternative to choke chains or prong collars then the Country Brook Design Bone Camo Martingale Dog Collar might be worth considering. With its twin loop design, the collar will apply enough pressure to discourage your mastiff from pulling on the lead but uses limited closure to ensure it doesn’t get too restrictive.

You also don’t need to hassle with complicated buckles—the Country Brook collar uses a tri-glide slider to ensure getting the right fit is effortless. The polyester on the collar is designed to be durable, but still soft enough that it won’t irritate your mastiff’s neck.

31″ Blueberry Pet 3M Reflective Spring Pastel Dog Collar

Best Reflective Collar

Nighttime may be the most convenient time to walk your mastiff, but venturing out into the dark requires taking a few precautions—like the Blueberry Pet 3M Reflective Spring Pastel Dog Collar. With eco-plastic buckles and 3M reflective stitching, chances are you’ll be able to spot your mastiff from miles away.

If you want to add a personalized ID tag or card, you can use the loop that’s tied to the logo as an attachment. On the off chance that your mastiff does manage to get away, they’ll have a much higher chance of returning safely.

If the collar manages to get a little dirty, there’s no reason to panic. All you need to do is place it in the washing machine for a quick clean, and then let it air dry.

Nite Ize NiteHowl LED Safety Necklace Dog Collar

Best Light Up LED Collar

There’s no reason you shouldn’t be able to take your mastiff out in the middle of the night (or in the early hours of the morning). With the Nite Ize NiteHowl Safety Necklace Dog Collar, walking your mastiff anytime you want to can become a reality.

With two different modes that produce either steady light or light pulses, you can choose how visible you want your mastiff to be based on the conditions. Unlike some other choices, you also don’t need to hassle with irritating straps or buckles–fitting this collar onto your mastiff is as simple as slipping the flexible polymer over his head.

30″ Redline K9 2″ Wide Heavy Duty Double Leather Dog Collar

Best Leather Collar

There’s a reason why so many mastiff owners purchase leather collars like the Redline Heavy Duty Leather Collar, and it comes down to two things: comfort and durability. With black military-grade leather that uses a solid double core, don’t be surprised if the collar continues to last for years to come.

The sleek design also helps it retain the original shape as well as prevent it from irritating your mastiff’s skin with chafe marks. For older mastiffs that may have more sensitive skin, this might be an ideal choice. As time goes on, the leather material is designed to become even more supple and soft.

Link AKC GPS & Activity Monitor Dog Collar

Best GPS Collar

Your mastiff may be large, but that doesn’t mean you can’t lose track of them. In fact, given the opportunity, it’s not entirely crazy that your mastiff might not just wander off on their own–leaving you frantic and worried. If you already think your mastiff might be gearing up for an escape attempt, it might be time to think about investing in something like the Link AKC GPS Activity & Monitor Collar.

With a low-monthly service plan that may cost less than ten dollars, AT&T taps into their nationwide coverage and allows you to track your mastiff wherever they might go.

Yellow Dog Design Crazy Hearts Dog Collar

Best for Mastiff Puppies

Your mastiff may be easygoing, but there’s no reason why their collar shouldn’t shine as brightly as their personality. With the Yellow Dog Crazy Hearts Print Dog Collar, it can finally can! Designed with 100% polyester that’s meant to keep its vibrant looks over time, the collar may be able to resist chewing, fraying, or fading much better than some other choices.

If your mastiff rolls around in a little dirt, cleaning the collar isn’t a hassle. All you need to do is pop in the washing machine, and then let it air-dry until it’s as good as new.

Frequently Asked Questions

Is it a legal requirement for my mastiff to wear a collar when out in public?

The rules regarding whether or not your mastiff should wear a collar out in public tend to vary from place to place. While some areas might specify, others may only ask that your mastiff is leashed or controlled. If you aren’t sure whether or not your city or town has specific guidelines, try checking with a local government official before you take your mastiff anywhere. Most of the time, local governments are the ones to set these laws (rather than federal or state).

If you plan on going anywhere new, it’s also a good idea to check with the local government in your destination before you travel.

How big should a collar be for an adult mastiff?

Although neck size can vary from mastiff to mastiff, most adults have a neck width of somewhere between twenty-eight to thirty-eight inches. For many collars, this will be the “extra-large” size, but you shouldn’t assume so. Since every product uses their own sizing guidelines, what may be an extra-large in one product might only be large in another. It’s also a good idea, before buying anything, to measure your mastiff’s neck and get their specific measurements. That way, you can just check the sizing chart to make sure you get the right fit.

What size collar should I buy for a mastiff puppy?

Your mastiff puppy’s neck size will most likely change frequently as they grow. This can make purchasing a collar difficult, but one thing you can do is buy an adjustable collar. Unless you want to keep purchasing a new one every time your mastiff grows, you’ll want to find a collar that can be adjusted to a bigger size. Before buying, just take your mastiff’s current measurements and look for a size that leaves room for growth.

How do I know if the collar is too uncomfortable on my mastiff?

Even the best mastiff collars can be uncomfortable on your pup. The best way to locate signs of discomfort on your mastiff is by looking for signs of skin irritation (such as chafe marks).


Owning a mastiff might seem like the hard part, but any dog owner will tell you that purchasing the right supplies can be just as much of a challenge. Not only do you need to worry about whether or not the product works, but you also have to make sure it’s high-quality too. That can be a tall order–which is why we’ve gone ahead and done the most difficult part for you.

If you aren’t sure where to begin, don’t be shy about trying one of the best mastiff collars that we’ve listed for you above.

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