The Best Dive Knife | A Sharper Look

Man am I clever with titles! Maybe not so much, but I do know quite a bit about dive knives. I am one of those divers/snorkelers who always has one strapped to their leg.

What makes a good dive knife?

It depends on the intended use. Seems obvious, but I have witnessed many a diver bring the wrong knife for the job. I tend to break dive knives down into two main categories. However, every diver will have their reasons for why the prefer a certain knife over another. Personally, I think a lot of it comes down to aesthetic….because who doesn’t like having a big knife strapped to their leg?

1. Spearfishing Knivespromate dive knife

Spearfishing brings its own set of options you must consider in your dive knife. First off, I would highly recommend using a pointed knife such as the Riffe Silencer. A strong pointed tip will allow you to make sure your fish is dead on those less than 100% accurate shots. I also find it is crucial to have a serrated edge to cut through any fishing line, or your own shot line if the fish circles back. Overall, I would recommend spearfishing dive knives to include:

  • Sharp point
  • Serrated blade
  • At least 4 inches in length

2. The Everyday Dive Knife

For those not stabbing fish, there are quite a few options available. One main option to choose from is whether to have a pointed or blunted tip. The blunted tip can be safer for younger divers, and is great for any underwater prying that may occur. Many knives also include line cutters, different grips, and a variety of blade lengths.

How Do I Choose?

I have tried out a variety of knives and have found it comes down to personal preference and how you plan on using it. I would recommended keeping your knife as small as you are willing to go. Large knives get heavy and can be clunky underwater and can be hard to get back if you drop.

Best Dive Knives on the Market

PhotoBrand/Model Pros/ConsIncludesPriceRating
Promate Scuba Dive Snorkel Titanium Knife Promate Scuba Dive Snorkel Titanium Knife -5 Colors
-Blunt or Sharp tip
Riffe Silencer KnifeRiffe Silencer Knife-My personal knife!
-Perfect for spearfishing
-Sheath can be tricky
Atomic Aquatics Titanium Ti6 Scuba Diving Atomic Aquatics Titanium Ti6 Scuba Diving -blunt or pointed tip
-Titanium blade
-May need sharpening off and on
-Line cutter
Cressi Borg Long Blade Diving Knife Cressi Borg Long Blade Diving Knife -Line cutter
-Serrated edge
-Pointed tip
Scuba Dive Knife Deep Sea Excalibur Arthur, Blunt Tip Blade, High Quality Stainless Steel, with Sheath, Safety Line Cutter, Serrated Edge, and Two Flexible Nylon StrapsScuba Dive Knife Deep Sea Excalibur Arthur-Dual edge blade
-Blunt tip for safety
-Portion of proceeds go to charity
-Stainless steel
Locking mechanism
Aqua Lung Squeeze Lock SS- Blunt Tip Aqua Lung Squeeze Lock SS- Blunt Tip-Best basic dive knife
-5 colors
-Perfect for new divers
-Small blade
Hose mounting straps
Cressi Skorpion Dive KnifeCressi Skorpion Dive Knife-Multiple sharpness/corrosion resistance options
-3 Colors
-Sharp or blunt tip

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