Best Dive Knife Reviews – Our Top Picks

What is the very best dive knife? This article gives you few of the best dive knives available in 2016.

One of the essential instrument for any frequent scuba diver is a dive knife. You may not be aware that you need these basic tools until it’s too late, which may even cost you your life.

Best Dive Knife – Lets ‘Dive’ In

A dive knife is usually used to cut when a diver has been entrapped in a fishing line. Likewise, it can be utilized to get attention from your fellow divers in the tank by simply tapping them. However, it should never be utilized for hunting underwater wildlife, with the exception of in self-protection.

Most knives incorporate a sheath and retainer to mount it to equipment, so as to make things easier for divers. This is similar to the BCD (Buoyancy Control Device) or the back of the gage comfort. The blades ought to be sharp, which you’ll truly appreciate if caught in mesh. This is why, while being accessible, the sheath should hold your knife firmly and you can strap it to your leg or arm like a boot knife.

This article will help you make the right purchase to ensure you are getting the right knife for your particular needs. But one issue with dive knives is that there are so many available in the market. In case if you decide to go for a less expensive choice, you may end up needing a quality blade, just to find that what you have purchased is not up to scratch.


To decide what kind of size you require, you need to begin by considering that you need a dive knife or tool. On the off chance if you travel a lot, may be a small blade or shears is best suited to your necessity. In case you are settled, you can choose a variety of bigger knives, based on the problems you may experience.

You should go to a PADI Dive Center to assess your options, once you know your situation and size range (as well as whether you want a tool or a knife). You need to take a look at the grasps and figure out one that suits you. Make sure you test the knife with gloves on, if you frequently wear gloves while diving. It may feel fine without gloves, however when you give it a shot in the water, it might feel like a totally different knife. This will give you a more realistic idea of the feel for the knife. So make a point to attempt all options.

Test it out with the sheath. Pull it out and set it back a few times to ensure you will be comfortable in the water, and that you won’t end up struggling to release it when you require it most. It would be a disappointing and terrifying circumstance, which may bring about a frenzy in new divers. Panicking in the water can be extremely dangerous, so it’s best to deflect the circumstance no matter what.

You should ensure you pick the knife that is most suited to you, your grip, and your needs. This principally comes down to the handle and your own grip, this is why picking a knife is truly a subjective experience. What is critical here is that you have a grip that permits you to pull the knife from the sheath easily. It is unlikely that you will require a grip that is truly agreeable, unlike a knife for outdoor excursions on land.

A knife and a couple of shears are the two devices that you should consider. Both have particular functions that you may require. If you dive in an area where there are a lot of abandoned fishing lines this is particularly potent advice. A knife is helpful if you are caught in a solitary line or weed, but shears are better for disentangling yourself from abandoned netting or multiple lines.

You will need a knife that is sharp, strong and dependable, at any rate. As salt water can break down your knife you will also need to ensure it is impervious to rusting. Any better than average dive knife will be rust proof, yet there are low quality, cheap dive knives out there that will eventually let you down in the water. So don’t be hesitant to spend that bit additional.

A standard, quality dive knife will have a sheath and retainer. It will be produced using titanium or stainless steel, which is corrosion resistant and light. It should have a metal handle butt. On bigger knives, the metal butt can bend over as a hammer or a strong surface to tap a buddy’s tank to get their attention.

Advantages of Owning a Dive Knife

The advantages of owning a dive knife truly just apply to divers. It could spare you or a friend’s life, as a matter of first importance. Being stuck in mesh is a terrifying experience. Untangling yourself is close unthinkable, especially if you have gloves on. You can stay calm and delicately cut yourself free from the entanglement, with a dive knife,.

Another use is getting a friend’s attention. As you probably are aware, at any rate sound does not travel too well for human ears under water. They just won’t realize you’re touching them. Currents make it difficult to give them a tap on the tank too. This is a helpful thing to have under the water, where communication is insignificant and infrequent. Having a dive knife helps you to loudly tap on their tank with a piece of metal, alerting them to you from behind.

Top 5 Picked Dive Knives

Promate Serrate Scuba Dive BC Knife

This is exactly what you’ll need when the time comes, as this is one of the most reliable knives out there. This will cut you free in the blink of an eye in case you’re gotten in a thick line of trawler’s rope, you’ll truly be happy of this serrated blade. It has a sharp, solid 420 stainless steel blade and accompanies a really good sheath, making for simple get when you require it. It’s thoroughly secure as the sheath has a single button release system, which implies that when the blade is in the sheath, it’s thoroughly secure.

Customers were really impressed by the strength and effectiveness of the blade, whoever bought it. One issue we found was that, the knife may slip out, unless the sheath is thoroughly clear. This can be kept away by ensuring you have no free strings in the sheath. Or else, it’s a practically idealize dive knife at a decent cost.

Dragon Squama Dive Knife

It has a truly solid edge that will last, and its sharpness is something to appreciate. Thus this is another reliable dive knife that is suited to any diver, whether a fledgling or a prepared ace. It is produced using 440C steel, and measures 3.74 inches, with the knife’s general length being 8.26 inches. The black stainless steel will never rust, which is an absolute necessity for dive knives.

The knife is tough and won’t break under pressure, which would bring about losing your knife in the deep blue ocean. It comes with an impact-resistant ABS sheath. The sheath also has a helpful water drain hole handle design with a nylon string for additional security. The sheath binds neatly to the leg, arm or BCD.

Most liked by customers about this item was the splendid sheath. The durability of it and how it can be attached essentially anywhere is truly satisfied. One complaint was that the Tanto portion of the blade must face the left half of the sheath. This disappointed one customer who was not aware of this. Though once acquainted with this characteristic, they admitted that it’s a splendid knife.

Cressi Lima Dive Knife

The blade is maybe the best element of this knife, as it has an exceptionally solid 304 stainless steel blade. This is a decent value for money dive knife from Cressi. Regardless of what you get yourself tangled in, you’ll never be at a loss. It has a line-cutting indent for littler ropes and lines, while the serrated back edge offers a heavy duty blade for thicker, harder ropes. The blade is a convenient 2.95 inches in length, with the knife’s overall length measuring 6.30 inches. The handle is a high visibility green, which is truly useful for when you end up in murky waters. The sheath has a locking mechanism to guarantee you don’t lose your knife, with a one-hand simple release system to stay away from struggling in the water.

Very few blades have life-saving feature as this blade. Customers who purchased this blade truly liked the blade and its adaptability. The only complaint we found was that the sheath’s locking component faltered after a while, bringing about a lost knife in the wake of being attacked by a barracuda. However, in case of such matters, there is an extra rope on the sheath to tie it safely.

Cressi Skorpion Dive Knife

Another incredible knife from Cressi is the Skorpion. It’s produced using the durable 304 stainless steel as its partner, with a blade that measures a little more than 4 inches. The general length is a little more than 9 inches. The blade is flexible, with one side straight edged and the opposite side serrated, which incorporates a little line-cutting notch. The sheath is joined to two standard issue straps to hold on to your leg, and it has the same locking mechanism from the Lima, with an easy one-handed release system.

The line-cutting notch is a useful feature for getting a quick release from a tangle. Customers were truly satisfied with the cutting edge of this knife, mainly for its ability to slice through any sort of line, thick or thin. Like the Lima, maybe a couple of customers were irritated to find their blade had slipped from the sheath. However, the little line hole at the knife’s base will secure it all around with a little bit of rope through it.

Promate Scuba Dive Snorkel Titanium Knife

At the end on this list we have the Promate Scuba Knife. As the extended name would suggest, it has a titanium edge, making it solid and durable. The blade is joined to a simple grip rubber shaped handle, and sits into a sheath with flexible straps to fit any leg size. It’s also rust resistant, so it will truly last.

This knife requires little to no maintenance whatsoever, as you don’t have to sharpen its blade. And unlike other knives, it has a titanium hammer on the base on the handle for getting you dive friend’s attention. It’s a truly light piece of equipment, because of the titanium blade, so you won’t be burdened when you’re swimming after high floating fish.

The quality blade is joined to the easy grip handle with titanium hammer base means it is suited to any sort of diver. Customers really like this all-activity dive knife. The main complaint we found was that the rubber would not last more than a few years. However, following a few years, if the rubber wears off, it is easily replaceable at any dive store. Generally, the Promate Scuba Knife is an awesome item at a good cost.


You won’t be disappointed if you follow these guidelines when considering your dive knife. This list of reliable list may even save your or a friend’s life and won’t let you down in water.

It is a basic tool for any serious diver. While in groups, at least one individual ought to have a dive knife on them for security reasons. As previously mentioned, it might be something you didn’t know you required until it’s too late.

Cressi Lima is the best knife on this list. The flexible sharp edge will remove you of any number of lines or nets you get trapped in. It has a truly sharp, solid edge that won’t rust and it will last you a lifetime, in as much as you don’t lose it in the water. Through high visibility green handle, you can discover it effectively enough.


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