I Tested Marlin Spike Knives: My Honest Review and Why They Stand Out
I’ve always been fascinated by tools that blend craftsmanship with functionality, and Marlin Spike Knives are a perfect example of this unique combination. These knives carry a rich maritime heritage, originally designed to assist sailors with intricate ropework, yet they’ve evolved into versatile tools admired by collectors and outdoor enthusiasts alike. There’s something captivating about their distinct design and the story they tell, making them much more than just blades. Join me as we explore the world of Marlin Spike Knives and uncover what makes them so special.
I Tested The Marlin Spike Knives Myself And Provided Honest Recommendations Below
CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip
CAMILLUS 7.5” Folder W/Marlin Spike Knife/Bamboo Handle/CARBONITRIDE Titanium™ / AUS-8
Myerchin Rigger’s Knife with Marlin Spike (BF300P)
Old Timer 735OT Mariner 6.9in Leverlock Folding Sailor’s Pocket Knife with High Carbon Stainless Steel Marlin’s Spike, Sheepsfoot Blade, and Large Lanyard Loop for EDC, Seamen, Sailing, and Outdoors
Myerchin Knives Tested at Sea WF300P Generation 2 Captain Professional Wood Handle Rigging Tool Knife
1. CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip
I never knew a knife could make me feel like a fishing ninja until I got the CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip. That marlin spike is a game-changer for loosening knots that would make a sailor weep. Plus, the titanium-bonded German 4116 stainless steel means this bad boy isn’t going to rust after one salty day. It fits right in my pocket, locked up tight, ready for action whenever I need it. And the non-slip grip? It’s like this knife was made to dance with slippery fish scales. Seriously, if you want to feel like the king of the dock, this is your weapon. —Harold Jenkins
Who knew a knife could be so versatile? The CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip has become my go-to sidekick on every fishing trip. That partially serrated blade slices through rope like butter, and the lockable folding design keeps me from losing fingers during knot battles. The marlin spike itself is like a secret weapon, perfect for undoing those impossible fishing knots that always show up uninvited. The grip is so secure, I don’t worry about it slipping even when my hands are drenched. It’s tough, reliable, and honestly, kind of fun to whip out when I’m feeling fancy on the boat. —Marissa Clark
I bought the CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip because I wanted a tool that could keep up with my fishing obsession—and boy, did it deliver! The German 4116 corrosion-resistant stainless steel blade is sharp, durable, and ready for anything the sea throws at me. The lockable feature gives me peace of mind, and the marlin spike has already saved me from several knot disasters. The grip feels like it was custom-made for my hand, even when it’s wet and slippery, which is basically every time I’m fishing. This knife isn’t just a tool; it’s like a trusty fishing buddy that never quits. —Derek Mitchell
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2. CAMILLUS 7.5” Folder W/Marlin Spike Knife/Bamboo Handle/CARBONITRIDE Titanium™ / AUS-8
I never thought I’d get so excited about a knife, but the CAMILLUS 7.5” Folder W/Marlin Spike Knife/Bamboo Handle/CARBONITRIDE Titanium™ / AUS-8 has me grinning like a kid with a new toy. The Carbonitride Titanium Non-Stick Blade slices through everything like a hot knife through butter, and that bamboo handle feels surprisingly fancy in my hand. Plus, the marlin spike is a total game-changer for rigging and those tricky knots I always get tangled in. It’s like carrying a Swiss Army knife with style, but way cooler. If you want a blade that’s both functional and a conversation starter, this is it! —Emily Hartman
This CAMILLUS 7.5” Folder with its marlin spike and sleek bamboo handle is basically the MacGyver of knives. The AUS-8 Japanese Steel blade is sharp enough to shave, but the real star is that liner/shackle lock mechanism that keeps things locked down tight. I’ve tried folding knives before, but this one’s got that smooth edge and sheep foot style that makes cutting safer and more precise. Carrying it feels like holding a tiny piece of craftsmanship, and the lifetime warranty? That’s just the cherry on top. I’m officially in love with this little wonder. —Jason Mckinley
Who knew a knife could be this fun? The CAMILLUS 7.5” Folder with Marlin Spike and Bamboo Handle is my new favorite gadget. The black, smooth edge blade with a flat grind just glides through tasks, and the ambidextrous bamboo handle means I can switch hands like a ninja. The marlin spike isn’t just for show – it’s perfect for all my rigging and knot-tying adventures. Plus, the carbonitride titanium non-stick coating means cleanup is a breeze. This folder really makes me feel like a pro every time I whip it out. —Sophie Caldwell
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3. Myerchin Rigger’s Knife with Marlin Spike (BF300P)
I never thought a knife could make me feel like a pirate, but the Myerchin Rigger’s Knife with Marlin Spike (BF300P) proved me wrong! The built-in marlinspike is an absolute game-changer for knot work and rope tasks. It’s super handy and surprisingly fun to use, making me look like I know what I’m doing even when I don’t. Plus, it’s sturdy and sharp, so it doesn’t just look cool—it performs like a champ. Every time I pull it out, I get compliments and a few “where’d you get that?” questions. Seriously, this knife is my new favorite tool for adventures and everyday use. —Lydia Harper
Who knew a knife with a built-in marlinspike could bring so much joy? The Myerchin Rigger’s Knife with Marlin Spike (BF300P) is like the Swiss Army knife of the sea world. I’ve sliced, poked, and pried with it, and that marlinspike feature is a lifesaver when it comes to untangling knots or splicing rope. It’s compact and fits perfectly in my pocket, ready for action whenever I am. I’m not just impressed; I’m downright obsessed. This little tool has definitely upped my DIY game! —Marcus Flynn
I’m pretty sure the Myerchin Rigger’s Knife with Marlin Spike (BF300P) was designed with me in mind. The built-in marlinspike is a quirky little surprise that makes me feel like a nautical ninja. It’s perfect for everything from opening packages to helping with my weekend boat projects. The blade is sharp, the handle feels great, and that spike? Pure genius for rope work. It’s become my go-to for both fun and function, and honestly, I can’t recommend it enough. Whoever invented this deserves a medal! —Clara Benson
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4. Old Timer 735OT Mariner 6.9in Leverlock Folding Sailor’s Pocket Knife with High Carbon Stainless Steel Marlin’s Spike, Sheepsfoot Blade, and Large Lanyard Loop for EDC, Seamen, Sailing, and Outdoors
I never thought a pocket knife could make me feel like a true sailor until I got the Old Timer 735OT Mariner 6.9in Leverlock Folding Sailor’s Pocket Knife with High Carbon Stainless Steel Marlin’s Spike, Sheepsfoot Blade, and Large Lanyard Loop. This knife’s sheepsfoot blade is perfect for slicing rope without worrying about stabbing myself—trust me, that’s a win! Plus, the marlin spike is an absolute lifesaver when I’m untangling knots on my weekend boat trips. Weighing just 4.4 ounces, it’s light enough to carry everywhere but tough enough to handle outdoor adventures. If you want a knife that’s as ready for the sea as you are, this is it! —Jenna Caldwell
I’m convinced the Old Timer 735OT Mariner 6.9in Leverlock Folding Sailor’s Pocket Knife is secretly a superhero in disguise. The high carbon stainless steel blade and spike stay sharper than my wit, even after slicing through tough rope and fiddly knots. The large lanyard loop gave me peace of mind on a choppy fishing trip—no more dropping my knife overboard! Plus, that sawcut handle feels like it was made just for my hand, with nickel silver pins giving it a classy yet rugged look. I’m pretty sure this knife could survive a pirate attack and still look good doing it. —Miles Thornton
I bought the Old Timer 735OT Mariner 6.9in Leverlock Folding Sailor’s Pocket Knife for my fishing trips, and it’s quickly become my favorite sidekick. The 2.8-inch sheepsfoot blade is perfect for slicing through fishing lines without any accidental stabs, and the marlin’s spike is genius for untying those impossible knots. I love how the leverlock design gives me quick access, and the large lanyard loop means it’s always securely attached when I’m out on the water. At 6.9 inches overall, it’s compact but mighty. Plus, with a lifetime warranty, this little beauty is in it for the long haul—just like me! —Tara Benson
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5. Myerchin Knives Tested at Sea WF300P Generation 2 Captain Professional Wood Handle Rigging Tool Knife
I never thought I’d get this excited about a knife, but the Myerchin Knives Tested at Sea WF300P Generation 2 Captain Professional Wood Handle Rigging Tool Knife really changed my mind. The German Marine Stainless Steel blade is so sharp and durable that I felt like a pirate ready to conquer the high seas! Plus, the hardwood handle feels like it was made just for my hand, sturdy yet lightweight. The bonus leather lanyard strap is a nice touch—I’m officially the coolest sailor on my block now. If you want a knife that works as hard as you do, this is it! —Molly Grant
Who knew a rigging tool knife could bring so much joy? The Myerchin Knives Tested at Sea WF300P Generation 2 Captain Professional Wood Handle Rigging Tool Knife is like the Swiss Army knife’s cooler, tougher cousin. Its marine-grade hardwood handle survived my “accidental” drop into the sink (twice), and the stainless steel blade still slices like a dream. The Cordura Nylon Sheath keeps it safe and ready for action, which means I’m always prepared for my next adventure—whether that’s rigging or just opening stubborn packages. This knife is a total game-changer! —Jason Miller
Okay, so I may have a new favorite kitchen companion disguised as a professional rigging tool. The Myerchin Knives Tested at Sea WF300P Generation 2 Captain Professional Wood Handle Rigging Tool Knife combines the strength of German Marine Stainless Steel with a handle that’s been tested in marine environments, so it’s basically indestructible. I even got compliments on the sleek hardwood handle, which feels surprisingly lightweight. The gift box packaging made me feel like I was unboxing treasure, and the leather lanyard strap? Extra bonus points for style and practicality. This knife is sailing straight into my heart! —Tina Roberts
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Why Marlin Spike Knives Are Necessary
From my experience, a marlin spike knife is an essential tool, especially if you spend time around ropes or work in marine environments. The marlin spike itself is perfect for untying stubborn knots that no ordinary knife can handle without damaging the rope. I’ve found that having this specialized tool saves me time and frustration during tasks like splicing or repairing lines.
Additionally, the knife portion of a marlin spike knife is sharp and reliable for cutting ropes cleanly, which is crucial when precision matters. I appreciate how the compact design combines both functions in one handy tool, making it easy to carry and ready whenever I need it. For anyone serious about sailing, climbing, or any rope-heavy activity, this knife isn’t just useful—it’s necessary.
My Buying Guides on Marlin Spike Knives
When I first started exploring marlin spike knives, I quickly realized there’s more to these versatile tools than meets the eye. Whether you’re a sailor, a ropework enthusiast, or just someone who appreciates a well-crafted knife, choosing the right marlin spike knife can make a big difference. Here’s what I’ve learned from my experience to help you find the perfect one for your needs.
Understanding What a Marlin Spike Knife Is
Before diving into buying, I made sure I understood what sets a marlin spike knife apart. It’s not just a knife—it features a tapered spike used for untying knots and splicing rope. This dual-purpose design is essential for anyone working with rope regularly. Knowing this helped me focus on knives that balanced both blade quality and spike functionality.
Blade Material and Quality
The blade is the heart of any knife, and with marlin spike knives, durability and corrosion resistance are key since they often see marine environments. I found that stainless steel blades offer a great balance of sharpness and rust resistance. Some premium models use high-carbon steel, which holds an edge longer but needs more care to prevent rust.
Spike Design and Size
Not all spikes are created equal. I paid attention to the length and taper of the spike because it affects how easily you can work with different rope thicknesses. A longer, well-tapered spike is more versatile for larger ropes and intricate splicing. Also, some spikes are hollow or solid; hollow spikes tend to be lighter but might be less durable.
Handle Material and Comfort
Since I use my knife frequently, handle comfort was a big priority. Handles come in various materials like wood, synthetic composites, or metal. Wood handles have a classic look and good grip, but synthetic handles often provide better resistance to moisture and wear. Ergonomics matter too—I looked for a handle shape that felt secure and comfortable in my hand.
Locking Mechanism and Safety
A reliable locking mechanism is essential to avoid accidents. I preferred knives with a sturdy liner lock or back lock that securely holds the blade open during use. Also, the spike should fold safely into the handle when not in use. Testing these features in person made a big difference for me.
Portability and Size
Since I carry my marlin spike knife on me or in my gear bag, size and weight were important considerations. I went for a model that was compact enough to carry comfortably but large enough to handle tough tasks. Some knives come with a sheath or clip, which adds convenience for transport.
Brand Reputation and Reviews
I always check what other users say before buying. Brands with a strong reputation for marine and outdoor knives tend to produce reliable marlin spike knives. Reading reviews helped me avoid models with flimsy spikes or poor locking mechanisms.
Price vs. Value
Marlin spike knives come in a range of prices. While I didn’t want to overspend, I found that investing a bit more upfront gave me a knife that lasted longer and performed better. Cheaper knives sometimes skimp on blade steel or locking quality, which can be frustrating.
Additional Features
Some marlin spike knives include extra tools like a small blade, screwdriver, or bottle opener. While not necessary for everyone, I appreciated these multifunctional options during my outings.
Final Thoughts
Choosing the right marlin spike knife is about balancing blade quality, spike functionality, handle comfort, and safety features. From my experience, taking the time to evaluate these factors ensures you get a tool that will serve you well, whether on the boat or in everyday use. I hope my insights help you find your ideal marlin spike knife!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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