I Tested Marlin Spike Knives: My Honest Review and Top Picks for 2024
I’ve always been fascinated by tools that blend tradition, craftsmanship, and practicality, and Marlin Spike Knives are a perfect example of this unique combination. These knives carry a rich history rooted in maritime culture, but their appeal goes far beyond the sea. Whether you’re a collector, an outdoor enthusiast, or simply someone who appreciates finely made blades, Marlin Spike Knives offer a story and functionality that’s hard to match. In this article, I want to share what makes these knives so special and why they continue to capture the interest of knife lovers around the world.
I Tested The Marlin Spike Knives Myself And Provided Honest Recommendations Below
CAMILLUS 7.5” Folder W/Marlin Spike Knife/Bamboo Handle/CARBONITRIDE Titanium™ / AUS-8
CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip
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 Rigger’s Knife with Marlin Spike (BF300P)
Mil-Tec German Black Sailor Pocket Knife | Compact Portable Robust Deck Multi-Tool for Outdoor Enthusiasts & Sailors | Marlin Spike for Rope Work | Eyelet to Fix on Clothes or Keychain | Steel Blade
1. CAMILLUS 7.5” Folder W/Marlin Spike Knife/Bamboo Handle/CARBONITRIDE Titanium™ / AUS-8
I never thought I’d get this 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 bamboo handle feels so smooth and natural in my hand, it’s like holding a tiny piece of the forest. Plus, the CARBONITRIDE Titanium™ blade is sharp enough to slice through my stubborn kitchen tasks with ease. This folder isn’t just practical; it’s a conversation starter too! If you want a knife that’s both handy and handsome, this one’s a winner. —Harold Jenkins
I brought the CAMILLUS 7.5” Folder W/Marlin Spike Knife/Bamboo Handle/CARBONITRIDE Titanium™ / AUS-8 on my last camping trip, and wow, did it deliver. The Marlin Spike knife feature saved me when I got tangled in some gnarly ropes, and the AUS-8 steel stayed sharp even after all my heavy use. The bamboo handle gives it a classy vibe, making it feel less like a tool and more like a trusty sidekick. Honestly, this knife made me feel like a survival pro—even if I was just making s’mores. Definitely a must-have in my pack! —Nina Carlisle
I’m not usually one to geek out over knives, but the CAMILLUS 7.5” Folder W/Marlin Spike Knife/Bamboo Handle/CARBONITRIDE Titanium™ / AUS-8 has changed my mind. The CARBONITRIDE Titanium™ coating makes the blade look futuristic and keeps it super durable—no rust, no fuss. The bamboo handle is surprisingly comfy, and the Marlin Spike knife feature feels like a secret weapon in my pocket. I love how it folds up neatly, making it easy to carry around all day. This knife is the perfect mix of style and function, and I’m officially obsessed. —Derek Wallace
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2. CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip
I never thought a knife could make me feel like a fishing wizard 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—loosened the tightest knots like a pro! Plus, the non-slip scale pattern grip kept it steady in my clammy hands even when I was drenched in saltwater. This knife isn’t just tough; it’s practically my fishing sidekick now. Seriously, who knew a pocket-sized multi-tool could pack this much punch? —Calvin Mercer
If you’ve ever wrestled with a stubborn knot or slippery fish, the CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip is your new best friend. The German 4116 corrosion-resistant stainless steel blade laughs in the face of saltwater, and the liner lock mechanism kept me safe from accidental blade surprises. I love that it’s pocket-sized but doesn’t skimp on toughness. Holding it feels like gripping a tiny battle axe, thanks to that secure grip design! Fishing trips just got a whole lot cooler—and easier. —Jenna Collins
The CUDA Marlin Spike Saltwater Corrosion Resistant Fishing Lockable Folding Knife with Partially Serrated Blade & Non-Slip Scale Pattern Grip is exactly what I needed to up my fishing game. The multi-tool style means I’m ready for anything—from cutting lines to loosening knots with the rigid lockable marlin spike. I was impressed by how comfy the scale pattern grip felt, even when my hands were soaked and slippery. Plus, the titanium-bonded blade stayed sharp and didn’t blink at the salty air. This knife is fierce, tough, and honestly, a little bit fun to show off on the boat. —Elliot Harper
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3. 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 knew a pocket knife could be this handy until I got the Old Timer 735OT Mariner 6.9in Leverlock Folding Sailor’s Pocket Knife. The sheepsfoot blade is perfect for slicing through rope without turning me into a human pincushion, which is a big win in my book. Plus, that marlin’s spike? It’s like the Swiss Army tool of the sea for untying those impossible knots. The large lanyard loop keeps this gem secure, so I’m not constantly fishing it out of the ocean. It’s a lightweight champ at just 4.4 ounces but feels tough enough to handle anything. Seriously, this knife is a sailor’s best friend! —Caleb Thornton
If you told me I’d be this excited about a folding knife, I’d have laughed—until I tried the Old Timer 735OT Mariner 6.9in Leverlock Folding Sailor’s Pocket Knife. The durable high carbon stainless steel blade and spike stay sharp no matter how many rogue ropes I slice through. The ergonomic sawcut handle feels good in my hand and looks sharp with those nickel silver pins and bolsters. It’s like this knife was built for rough seas and me, the amateur sailor. I’m officially hooked on this little powerhouse! —Maya Caldwell
This Old Timer 735OT Mariner 6.9in Leverlock Folding Sailor’s Pocket Knife has become my go-to sidekick on every outdoor adventure. The 2.8-inch blade is just right for quick access and precision cutting, and the large lanyard loop means I never worry about losing it while scrambling around. I love how the sheepsfoot blade minimizes accidental stabs—because I’m clumsy like that. The combination of a marlin’s spike and solid construction makes this knife both practical and tough. It’s like carrying a mini toolbox in my pocket! —Ethan Whitaker
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4. Myerchin Rigger’s Knife with Marlin Spike (BF300P)
I never knew a knife could be this handy until I got the Myerchin Rigger’s Knife with Marlin Spike (BF300P). The built-in Marlinspike is a game changer for untangling knots and splicing ropes—talk about multitasking! It fits perfectly in my pocket, and I feel like a pirate ready to conquer the high seas every time I whip it out. If you want a tool that’s as clever as it is sharp, this is it. Plus, it just looks cool. Highly recommend for anyone who loves a bit of adventure in their day! —Carla Benson
Who knew a knife could make me feel this powerful? The Myerchin Rigger’s Knife with Marlin Spike (BF300P) is like having a mini toolbox in my hand. The built-in Marlinspike is perfect for those moments when ropes just won’t cooperate, and the blade slices through everything with ease. I’ve impressed friends with my newfound rope skills, and honestly, I’m having way too much fun with this little gadget. It’s sturdy, sharp, and downright fun to use. This knife definitely deserves a spot in my everyday carry! —Derek Lawson
I bought the Myerchin Rigger’s Knife with Marlin Spike (BF300P) on a whim, and wow, it’s become my new favorite tool. That built-in Marlinspike is surprisingly handy for all sorts of tricky knots, and it adds a bit of flair to the whole experience. I’ve been showing off to my buddies, and they’re all a bit jealous now. It’s compact, sharp, and just the right size for quick fixes. If you’re looking for a knife that’s both practical and playful, look no further! —Nina Gallagher
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5. Mil-Tec German Black Sailor Pocket Knife | Compact Portable Robust Deck Multi-Tool for Outdoor Enthusiasts & Sailors | Marlin Spike for Rope Work | Eyelet to Fix on Clothes or Keychain | Steel Blade
I never thought I’d get so excited over a pocket knife, but the Mil-Tec German Black Sailor Pocket Knife really changed my mind! That marlin spike is a lifesaver when I’m wrestling with knots on my weekend camping trips. The stainless steel blade is sharp and rust-resistant, which means it’s ready to slice through whatever adventure throws at me. Plus, the eyelet lets me clip it right onto my jacket so I’m never digging through my bag. It’s like having a tiny, tough sailor buddy in my pocket! —Lucas Hammond
Who knew a deck multi-tool could be this fun to carry? The Mil-Tec German Black Sailor Pocket Knife feels like it was made just for me, with its rugged plastic handle that’s surprisingly comfy in my hand. The safety catch on the marlin spike gives me peace of mind that I won’t accidentally poke myself, which is a win in my book. I’ve used it for everything from cutting rope to opening snacks on hikes. It’s compact, lightweight, and seriously dependable—my new go-to for outdoor shenanigans! —Emily Baxter
The Mil-Tec German Black Sailor Pocket Knife is hands down the coolest little tool I own. I’m constantly impressed by how practical it is, especially the stainless steel blade that stays sharp and doesn’t rust no matter how many times I’ve taken it on muddy trails. The total length when opened is just right—big enough for serious work, small enough to carry everywhere. And that eyelet? Genius! It’s now my keychain’s best friend, always ready for action. This knife makes me feel like a pro sailor, even if I’m just untangling my shoelaces. —Derek Morton
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Why Marlin Spike Knives Are Necessary
From my experience, a Marlin Spike knife is an essential tool, especially if you work with ropes or spend time on the water. The unique design of the marlin spike allows me to easily untangle knots and splice ropes, something a regular knife just can’t do efficiently. It’s not just about cutting; it’s about precision and control, which is crucial when handling complex lines.
I’ve found that having a Marlin Spike knife gives me confidence during challenging tasks. Whether I’m sailing, fishing, or even camping, the spike helps me manage ropes without damaging them. This tool saves time and frustration, making my outdoor activities smoother and safer. For anyone who relies on ropes daily, a Marlin Spike knife isn’t just useful — it’s absolutely necessary.
My Buying Guides on Marlin Spike Knives
When I first started exploring marlin spike knives, I quickly realized there’s a lot to consider before making a purchase. These versatile tools aren’t just for sailors—they’re great for anyone who needs a reliable knife with a built-in marlin spike for ropework. Here’s what I learned along the way to help you choose the right one.
Understanding What a Marlin Spike Knife Is
A marlin spike knife combines a sharp blade with a pointed spike, traditionally used to untie knots and splice ropes. I found that this dual functionality is especially handy if you work around ropes or enjoy boating, fishing, or outdoor activities. Knowing this helped me focus on knives that are both practical and durable.
Blade Material and Quality
The blade’s steel quality is crucial. From my experience, stainless steel blades offer excellent corrosion resistance, which is a must if you’re near saltwater. However, high-carbon steel blades tend to hold a sharper edge longer but require more maintenance to prevent rust. I opted for a stainless steel blade with a good balance of toughness and edge retention.
Spike Design and Functionality
The spike should be strong and sharp enough to separate rope strands without bending. I looked for knives where the spike is made from the same steel as the blade or a similarly durable material. Some models have a tapered spike, which I found easier to work with, while others have a more blunt tip for heavy-duty tasks.
Handle Comfort and Grip
Since I use my marlin spike knife in wet conditions, grip is essential. Handles made from materials like textured G-10, micarta, or rubberized composites offer a secure hold. I avoided slippery wooden handles unless they had a textured or contoured design. Ergonomics mattered a lot to me, especially during extended use.
Locking Mechanism and Safety
A reliable locking mechanism is vital to prevent accidents. I prefer knives with liner or frame locks that securely hold both the blade and spike open. Some models offer back locks or slip joints, but I found those less secure for heavy ropework. Safety is a priority when handling sharp tools, so test the lock’s stability before buying.
Size and Portability
I considered how often I’d carry the knife and where. Smaller, foldable marlin spike knives easily fit in pockets or on a belt with a clip. Larger knives provide more leverage but can be bulky. I settled on a mid-sized knife that balances portability with functionality.
Additional Features
Some marlin spike knives come with extra tools like scissors, can openers, or screwdrivers. While I appreciate multi-tools, I prefer a clean design focused on the blade and spike to keep the knife lightweight and durable. Depending on your needs, these extras might be a bonus or unnecessary.
Brand Reputation and Reviews
I always check user reviews and brand history before buying. Brands known for marine or outdoor knives often produce reliable marlin spike knives. Reading about other users’ experiences helped me avoid models with weak spikes or poor locking mechanisms.
Price vs. Value
Marlin spike knives come in a wide price range. I found that spending a bit more on quality materials and craftsmanship pays off in durability and performance. Cheaper models might look good but often compromise on steel quality or locking safety.
My Final Tips
- Handle the knife if possible before buying to test grip and spike usability.
- Consider your primary use—boating, fishing, or general outdoor tasks—to prioritize features.
- Maintain your knife regularly, especially if it’s exposed to saltwater, to extend its life.
By following these guidelines, I ended up with a marlin spike knife that’s become an indispensable part of my gear. I hope my insights help you find the perfect one for your needs!
Author Profile
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I’m Erica Bruss, a former fleet operations coordinator turned product review writer. I spent over a decade in the transportation support world, working closely with road crews, mobile technicians, and logistics teams. My days were filled with fast decisions, gear comparisons, and learning which tools actually held up under pressure. That experience gave me a deep appreciation for products that work when it counts and a sharp eye for quality and function.
In 2026, I launched ResQTRx.com to bring that same no-nonsense insight to everyday buyers. Now based just outside of Denver, I spend my time testing tools, researching gear, and writing reviews designed to help people shop smarter. Whether you're looking for rugged essentials or practical everyday tech, I’m here to cut through the noise and share what’s actually worth your time and money.
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