Durable Knives

Cressi Borg Knife

16 reviews

SKU: CSBKBBL

^$54.95

+ wishlist

In Stock

DESCRIPTION

A durable, multi-purpose knife with a futuristic design, featuring a blunt tip, serrated edge, and line cutter.

Cressi Skorpion Knife-Black Blade

3 reviews

SKU: CSBSKBB

^$44.95

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In Stock

DESCRIPTION

A durable and versatile knife with a strong black blade, line cutter, and adjustable leg straps.

Scubapro Mako Titanium Knife

12 reviews

SKU: SCPKMT

^$155

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In Stock

DESCRIPTION

A highly-durable titanium knife with a multi-function blade for slicing and sawing underwater.

Akona Edge Stainless Steel BC Knife

1 reviews

SKU: AKNKE

^$40

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In Stock

DESCRIPTION

A medium point tip stainless steel BC knife with a straight edge and serrated edge.

XS Scuba Neuro Knife Titanium, Black

1 reviews

SKU: XSSKNTP

^$136.95

+ wishlist

In Stock

DESCRIPTION

A durable black titanium scuba knife with straight and serrated edges, line notch cutter, and multiple blade tip options.

Blue Reef Scuba Titanium Folding Knife

55 reviews

SKU: BLRKTF

~~$69.95~~ Save: $40 (57%)

^$29.95

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In Stock

DESCRIPTION

A foldable titanium knife for scuba diving with a sharp drop point tip and serrated edge option.

Pros

Reasonable price
Easy to sharpen
Compact size
Low maintenance
Versatility

UK Blue-Tang Hydralloy Steel Knife, Drop Point

27 reviews

SKU: UKTKBTD3YL

^$161

+ wishlist

In Stock

DESCRIPTION

A rugged, multi-functional dive knife with a non-corroding Hydralloy blade, line cutter, and drop point tip.

Pros

Sharpness and edge retention
Quality and durability of materials
Ease of use and cleaning
Secure and comfortable grip
Good value for price

TUSA Mini BCD Knife, Blunt Tip

26 reviews

SKU: TBTK11BK

^$55

+ wishlist

In Stock

DESCRIPTION

A durable TUSA Mini BCD Knife with a blunt tip and a 304 grade stainless steel blade.

Atomic Aquatics Ti6 Titanium Knife

25 reviews

SKU: ATMKTI6P

^$164.95

+ wishlist

In Stock

DESCRIPTION

A durable and lightweight titanium knife with a honed full tang blade and serrated edge.

Pros

Lightweight
Durability
Sharpness
Low maintenance
Versatility

TUSA X-Pert 2 Titanium Knife, Drop Point

21 reviews

SKU: TBTK940MS

^$119

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant titanium knife with a drop point tip, straight and serrated edges, and a line cutter.

XS Scuba FogCutter X Knife

12 reviews

SKU: XSSKP

^$102.95

+ wishlist

In Stock

DESCRIPTION

A versatile scuba knife with a stainless steel construction, rust resistance, and a screwdriver tip.

TUSA X-Pert 2 Knife, Blunt Tip

12 reviews

SKU: TBTK920FY

^$80

+ wishlist

In Stock

DESCRIPTION

A durable TUSA X-Pert 2 Knife with a blunt tip, 420 grade stainless steel blade, and line cutter.

Underwater Kinetics Blue-Tang Titanium Knife, Blunt Tip

10 reviews

SKU: UKTKTBBYL

^$161

+ wishlist

In Stock

DESCRIPTION

A blue titanium knife with a blunt tip, straight and serrated edges, and heavy-duty pommel end cap.

Cressi Finisher Knife

9 reviews

SKU: CSBKF

^$63.95

+ wishlist

In Stock

DESCRIPTION

A sleek and versatile spearfishing knife with a black coating treatment and stiletto style tip.

Akona Talon Stainless Steel Medium Point Knife

9 reviews

SKU: AKNKS

^$55

+ wishlist

In Stock

DESCRIPTION

A medium point knife with a 4.5" stainless steel blade, featuring a straight edge and serrated edge.

XS Scuba FogCutter Recon Knife

9 reviews

SKU: XSSKR

^$125.95

+ wishlist

In Stock

DESCRIPTION

A versatile and durable scuba knife with a black oxide finish, 420 stainless steel, and a combination of serrated and straight edges.

Cressi Alligator - Scissor/Knife

8 reviews

SKU: CSBAK

^$69.95

+ wishlist

In Stock

DESCRIPTION

A durable, versatile scissor/knife dive tool with straight and serrated edges, line cutter notch, and ergonomic grip.

Cressi Scorpion BCD

8 reviews

SKU: CSBSBCMD

~~$499.95~~ Save: $125 (25%)

^$374.95

+ wishlist

In Stock

DESCRIPTION

A limited time offer on the Cressi Scorpion BCD, a lightweight and high-buoyancy BCD with a free Skorpion Knife.

Akona Talon Titanium Medium Drop Point Knife

5 reviews

SKU: AKNKT

^$120

+ wishlist

In Stock

DESCRIPTION

A durable Akona knife with a 4.5" titanium blade, serrated edge, and line cutter.

UK Blue-Tang Hydralloy Steel Knife, Blunt Point

4 reviews

SKU: UKTKBTB4YL

^$161

+ wishlist

In Stock

DESCRIPTION

A rugged, multi-functional dive knife with a non-corroding HYDRALLOY blade, line cutter, and blunt tip design.

TUSA X-Pert 2 Knife, Drop Point

4 reviews

SKU: TBTK910BK

^$80

+ wishlist

In Stock

DESCRIPTION

A durable TUSA X-Pert 2 Knife with a 420 grade stainless steel blade and ergonomic grip design.

Salvimar Predathor Knife, Green

3 reviews

SKU: SLVPK

^$37.80

+ wishlist

In Stock

DESCRIPTION

A compact dive knife with a green acid-colored handle, featuring a durable stainless-steel blade with straight and serrated edges.

Mares Argo Titanium Knife

2 reviews

SKU: MRSTK

^$101.95

+ wishlist

In Stock

DESCRIPTION

A durable titanium knife with a stiletto-style tip, micro serrated and straight edges, and an ergonomic handle.

Tekna Xtra Edge Dive Knife

2 reviews

SKU: TKTKXEPOR

^$19.95

+ wishlist

In Stock

DESCRIPTION

A durable dive knife with a drop point tip and 420HC stainless steel blade.

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Durable Knives

Durable knives are an essential part of any diver’s kit, trusted by both seasoned professionals and beginners who are just starting to explore the underwater world. Whether you’re heading out for a summer dive along vibrant coral reefs or embarking on a challenging wreck exploration, having a reliable knife can make all the difference. These tools are designed to withstand the harshest marine environments—resisting corrosion, saltwater exposure, and the rigors of repeated use. The right knife isn’t just about cutting; it’s about safety, preparedness, and peace of mind when you’re many meters below the surface. Many divers recall moments when a sturdy blade helped free them from entangling fishing lines or seaweed, or assisted a buddy in an unexpected situation. The tactile reassurance of a well-made handle, the confident snap of a secure sheath, and the effortless movement through rope or netting are experiences that become second nature with the right gear.

When choosing among durable knives, it’s important to think about the type of diving you’ll be doing and your personal preferences. Some divers prefer a compact, streamlined knife that can be strapped to a leg or attached to a BCD for quick access, while others opt for larger blades with serrated edges for tougher tasks. The material of the blade is a major consideration—many divers gravitate toward stainless steel for its balance of strength and corrosion resistance, and you can learn more about these options by visiting our dedicated page on Stainless Steel Knives. Handle design, sheath locking mechanisms, and tip shape (blunt or pointed) all play a role in matching the knife to your needs, whether you’re cutting fishing line, prying open shellfish, or using the tool as a signaling device. For those who travel or dive in varied conditions, a versatile knife that can handle both freshwater and saltwater environments is invaluable, especially during the busy summer season when dive trips and underwater adventures are at their peak.

Durable knives also make thoughtful gifts for the water enthusiast in your life, especially as the weather warms and dive season kicks into high gear. They are practical, personal, and speak to the spirit of adventure that draws so many to the ocean. A well-chosen knife can become a trusted companion on countless dives, often earning a place of honor in a diver’s gear bag, marked by the memories of challenges overcome and discoveries made. For instructors, rescue divers, spearfishers, and even snorkelers venturing into kelp forests, these knives are more than just tools—they’re lifelines and symbols of self-reliance. As you browse through the collection, consider the unique features and craftsmanship that go into each knife, and imagine the many ways it could serve you or someone you care about on their next aquatic journey.

Top Picks For Durable Knives