The 8 Best Dive Knives (2023 reviews)

The promate dive knife is capable of outshining several other knife featured in this list in overall features. The Promate Barracuda Sharp Tip Scuba Diving Knife is made from high quality grade 304 stainless steel and can be easily disassembled for cleaning and maintenance. It features stainless steel butt cap on handle bottom.

Why We Like This:

Easy disassembling for cleaning and maintenance
Works well, easily disassembled, ambidextrous, good retention
Apply lubricant on steel portions after drying

Best For sticking In tree: Punada Dive Knife

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Best part: punada dive knife costs comparatively low and it is available to ship in 24 hours. It is better as a reef fishing knife that securely stows away. It comes with two cases, one for a light strap on the leg, and a hard case for diving. It fits well in either sheath, good positive retention with the hard plastic lock.

The knife is made of 440c stainless steel, sharp and will not rust. The blade is sharp and does its job and the handle is just rope but comfortable. It is great for tying to stick to make a spear. They can offer you great protection when diving.

Why We Like This:

Very comfy to wear an easy to retract and return the blade
Knife is beautiful and super sharp
Great quality for both the canvas and lock sheaths
Pretty sharp knife and comes with extra straps

Best For snorkeling In The ocean: boffer Dive Knife

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The boffer dive knife should be able to handle its purpose and duties with ease. It's a decent "get your hands dirty" knife with two styles of sheaths and an easy to use design. It comes with 2 sheaths and two straps. The knife has two edges, a sharp edge and a serrated edge. It eases in and out of the holder nicely once you press the magic button. The straps they give you that are flex straps are completely laughable, you have to throw away.

This knife is really lightweight and comes with elastic straps that are perfect for free diving/spearfishing. It holds the blade with enough pressure to avoid accidental draws but is simple to draw when you need it. The knife is light and sturdy for its built.

Why We Like This:

Holds up great, looks cool, nice and sharp, serrated side cuts line well
Very sharp and lightweight but sturdy
One of the new comers and featured product

Best With Leg strap: Audeamus Dive Knife

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We would, of course, be remiss if we didn't mention audeamus dive knife for daily purpose. As long as you have good situational awareness, yes, it's long enough and sharp enough as well. The knife itself is very light, and barely bends at all because it is fully titanium. There are two buttons, one on either side of the handle, that you have to push in to release the knife from it's sheath. The locking sheath keeps it secure when it's on your leg.

The look and feel is great, light weight. The titanium makes this very light. There is plenty of rubber strap on top and the bottom. It locks and unlocks very easily and consistently for the left and right hand mount. It is easy to wear with the straps.

Why We Like This:

Easy to grab and easy to put away in seconds
Solid knife with no rust, quick release
Delivers what they promise

Best For BCD: Gear Aid Dive Knife

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate knife. The gear aid dive knife is exactly that - it's a simple knife that hits all the right notes. It's a good little knife for bcd attached perfectly. It offers many options for attaching to a variety of locations. As they are, they're fairly sharp and render the blunt tip a bit less safe given the sharp edges. The pronounced flipper-type protrusion gives it a good ergonomic hold and provide good protection even when using significant force.

It comes with a cord cutter, blunt tip, dual edge, and rounded end and it’s also useful for fishing and rescue. It's a great safety feature. The knife is properly inserted and then locks it in place. It's a must-have for any water enthusiast.

Why We Like This:

Good all-purpose knife on a boat
Stays secure, integrates into bcds with grommets, no rust after dives
Delivers what they promise

Best For cutting rope: Letonpower Dive Knife

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In diving, cave exploration and outdoor adventure activities, parker knife will be your coolest partner. It is a general-purpose tool that scuba divers occasionally use to cut tangled fishing line and weeds. The serrated edge of the blade is designed to cut through tough materials like rope and fishing line. The knife is made of high-quality stainless steel, which makes it durable and resistant to corrosion.

The knife also comes with a nylon sheath with belt loops. The pointed tip of the knife is great for prying open oysters, clams, and other shellfish, as well as digging in sand or soil. This knife will not rust or corrode. This knife makes a great gift for camper, boater or scuba diver.

Why We Like This:

Great hunting knife, nice big handle and belt pouch to secure it to
Has a nice feel the metal is thick and very sharp
Handy for the zombie apocalypse and survival simulations
Nicely made, the blade is wide & sharp

Best For ourdoor water activities: SKYSHARK Dive Knife

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The SKYSHARK Scuba Dive Knife, is an excellent quality dive knife with a great design and colors. The blade of this diving knife is made of 3cr13 stainless steel, which has excellent waterproof and anti. The handle has a good feel to it and is a good size for most uses. The two leg straps fit through four holes on either side of the sheath to secure the knife to your hand or leg. The knife retention is accomplished with a thumb release UNDER the knife handle which can be difficult, especially if diving with gloves.

The knife and sheath itself is pretty light, all the weight comes from the straps. The box also includes a velcro strap that looks to go around a belt and two key rings. The handle is comfortable and would be easy to hold on to with wet hands. This scuba knife can be fixed on your limbs with 2 * leg straps.

Why We Like This:

Great, sharp, will definitely deter any underwater foe
Rust performance, strong and durable, and resistant to seawater corrosion
One of the new comers and featured product

Best For professional divers: PAXLINSEN Dive Knife

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We would, of course, be remiss if we didn't mention paxlinsen dive knife for regular usage. Durable and sturdy, it is a great diving tool. The end of this scuba knife with sheath handle is designed with a cap, with the help of this end cap you can get your pal's attention by tapping things around yourself when you're unable to talk under the water. It is made of high-quality stainless steel material, with excellent corrosion resistance. The high quality material stainless steel blade ensures the dive knife with high anti-corrosion ability, which can last longer in your daily use.

The handle of this scuba knife is designed with a rubber handle, which is easy for everyone to grasp and will not fall off easily under water. You won't feel yourself uncomfortable even if you need to hold it for a long time thanks to the ergonomic design. The knife is with a straight blade and at the opposite of the blade is with serrated edges. It is suitable for professional divers, and even for normal diving lovers.

Why We Like This: