Kitchen Knives

8 Best Fillet Knife For Saltwater Fish in 2022 – Top Picks Reviews

Pinterest LinkedIn Tumblr

The fish season is on and everyone craves for some wild saltwater fish for giving their taste buds the taste of heaven with the amazing saltwater fish recipes. With that being said, keep that in mind that saltwater can easily corrode your knives.

It is advisable to buy a knife for your saltwater fish that is free from all these issues.

We are here to make the decision easy for you. In this article, you are going to find out the best fillet knife for saltwater fish. We have carefully selected 8 best knives for your needs so that you can get the finest quality fillet knife.

Saltwater is very harmful if exposed to metal, which is why your low-quality old fillet knives failed to stand up to the promises their manufacturers made.

This article features only the best fillet knives because each product is personally tested according to scientific methods.

Quick – Comparison – Editor’s Choice For The best Fillet Knives

8 Best Fillet Knives In Our View

Below is a detailed review of the 8 best fillet knives both electric and manual for saltwater fish. Enjoy the scrumptious delights by cooking these fishes the way you like by cutting the perfect fillets.

1. Rapala Heavy-Duty Electric Fillet Knife

Rapala Heavy-Duty Electric Fillet Knife  - Key Features
1,897 Reviews
Rapala Heavy-Duty Electric Fillet Knife - Key Features
  • Double the speed
  • Three times the power

Specs And Features

Manufacturer: Rapala | Item model number: 227856 | 16 x 7 x 3 inches; 4.8 ounces | 7-1/2″ Reciprocating blades | Heavy-duty motor | 110V Power | 8-foot power cord
  • Three times the power of an electric knife
  • Cuts fillets with twice the speed
  • Corrosion-free blade
  • Great value of money
  • Long-lasting heavy-duty motor
  • Sharp blade
  • Longer battery timing
  • Cordless
  • Sometimes get noisy
  • Dual blades should be used carefully

If you are looking for a saltwater fish fillet knife that is specially crafted to last long, then invest your money for the right product. The Rapala Heavy-Duty Electric Fillet Knife is going to be the best bet to make this year.

Whether you want to clean a dozen of saltwater fish or need small fillets, this knife can do it all. This cordless electric fillet knife has a 7-1/2 inches blade that makes it perform more effectively in both its tasks.

It is so sharp that is gets deep down the bone of the fish to separate the skin and meat inside. The best thing about this knife is that it takes only 2 hours to charge it completely, and you can use it for a straight 80 minutes.

Although it gets a bit noisy sometimes, but that is what electric knives do, don’t they?

2. Mister Twister 120V Electric Knife

Mister Twister 120V Electric Knife  - Key Features
3,092 Reviews
Mister Twister 120V Electric Knife - Key Features
  • Legendary Mister Twister action
  • Features 120V AC


Manufacturer Name: Mr. Twister | Item model number: EFILM| 8 x 12 x 2 inches| 50% more cutting torque| 120V AC | Safety Lock | Quick Blade Release
  • Durable than the given warranty
  • Perfect for filleting
  • Safety lock and blade release makes it easier to use
  • Budget-friendly
  • Excellent performance
  • Doesn’t get heated up
  • Cannot be used when wet
  • Not portable

Mr. Twister has never failed to enchant its customers with better and better. For the last 43 years, this company has been manufacturing quality knives. The Mister Twister 120V Electric Knife is one of their finest and best-selling products.

Whether you need to make smoked saltwater fish or grill it with lemon juice and garlic, the first thing is the cleaning and cutting it.

This knife has a 120V power motor incorporated in its machine that is built for heavy-duty cutting. You can make dozens of fish fillets without heating this thing up. Other than that, its design is a bit bigger than other fillet knives, but it gives you a good grip when it vibrates.

With extraordinary blade sharpness, you can cut a number of fish, meat, turkey, and hams without any difficulty. 

3. Bubba Li-Ion Cordless Electric Fillet Knife

Bubba Li-Ion Cordless Electric Fillet Knife  - Key Features
6,004 Reviews
Bubba Li-Ion Cordless Electric Fillet Knife - Key Features
  • Dimensions: 8.5” handle length and weighs 1.11 pounds
  • Ease of use: Non-slip grip handle for outstanding grip security providing ultimate knife...


Item Model Number: 1095705 1 X 1 X 1 Inch; 3 Pounds |Non-Slip Grip Handle | Cordless | 4 Ti-Nitride S.S. Coated Non-Stick Reciprocating Blades| Ergonomic Trigger | LED Battery Life Indicator
  • Easy to use
  • Ergonomic trigger
  • Include 4 blade types
  • Comes with a wall charger, lithium-ion batteries, and EVA storage case
  • LED battery life indicator
  • Blades can be removed easily
  • Blades get dull with time
  • Batteries need to be changed

Getting detailed cuts, fillets, and cleaning fishes were never so easy before Bubba Li-Ion Cordless Electric Fillet Knife. It doesn’t matter what the size of your fish is because this knife has 4 different types of blades for every type of fish.

Don’t limit your self to eating one type of fish. Taste the whole ocean by cutting the perfect fish pieces. This thing is a must-have in your kitchen cutlery items.

The blades of this knife are made from high carbon stainless-steel and finished with a titanium nitride coating. You will get four different types of blade length along with the one you buy.

These will include 7” e-flex blade – 9” e-flex blade – 9’ e-stiff blade –and 12” e-stiff blade. Getting through any size of fish will be a task done in minutes with this knife by your side.

4. KastKing Fillet Knife

KastKing Fillet Knife  - Key Features
9,052 Reviews
KastKing Fillet Knife - Key Features
  • Razor Sharp Stainless Blades – All new KastKing fishing fillet knives and the 5” Bait...
  • Non-Slip Super Polymer Grip - We use the most comfortable and slip-resistant, super...


Manufacturer: Eposeidon| item model number: G4116 |16.7 x 3.2 x 1.2 inches |5” Versatile Knife| German Stainless-Steel blades |Super-Polymer grips |Protective Knife Sheath
  • Lightweight
  • Durable
  • Comes with sheath
  • Stainless steel
  • Non-slip grip
  • Flexible curbed blades with three different lengths
  • Flexible but unnecessarily bends sometimes
  • Need sharpening

Being one of the best-seller knives, the KastKing 9-inch Strong Fillet Knife is going to exceed your expectations. Whether you need a filleting knife for a saltwater fish or freshwater fish, this knife stays corrosion-free.

The thick blade of this knife makes it ideal for making salmon, tuna and other tougher meat fillets. This knife has a polymer non-slip grip that allows you to have a better balance and hand angle while cutting through the fish.

You will get a proactive sheath to keep the knife locked safely inside. Three different blades of 6”, 7” & 9” makes this knife more versatile to fulfill all your requirements. You will find this knife much cheaper than others, however, the quality remains matchless.

With the hole in the handle, you can also carry it anywhere by putting a keyring in it.

5. Rapala Fish ‘N Fillet Knife

Rapala Fish 'N Fillet Knife   - Key Features
3,230 Reviews
Rapala Fish 'N Fillet Knife - Key Features
  • The product is Fish 'N Fillet 6" Knife
  • Easy to use


Manufacturer Name: Rapala | Full tang | Swedish stainless-steel blade| Fine-tooled leather Laplander sheath| Varnished birch handle| Ultra-sharp edge
  • Exceptional grip
  • Long-lasting durability
  • Affordable
  • Easy to clean and maintain
  • Maximum satisfaction guaranteed
  • Extra sharp blades
  • Stain and rust-resistant
  • The handle is small for bigger hands
  • Average edge retention but works fine

Instead of spending hundreds of dollars in fillet knives, invest less and get more functionality with the Rapala Fish ‘N Fillet Knife. More than 87% of users are more than just satisfied with its impeccable performance.

This forged piece of cutlery has the finest quality German stainless steel blade with high-carbon inclusion. Now, you can stay stress-free about your filleting knives getting corroded.

Make the perfect ham slices, meat cubes, and fish fillets with the razor-sharp edge of this tiny little 6 inches knife. It comes with a leather Laplander sheath to keep the blade protected form air and rust.

Cut every fish piece with elegance and perfect thinness with this manual filleting knife. Because this knife is a full-tang, you must be careful with your speed while filleting your saltwater or any other fish.

6. Mercer Culinary M23860 Millennia Fillet Knife

Mercer Culinary M23860 Millennia Fillet Knife  - Key Features
2,249 Reviews
Mercer Culinary M23860 Millennia Fillet Knife - Key Features
  • QUALITY CONSTRUCTION: Knife is crafted with one-piece high-carbon Japanese steel for easy...
  • SUPERIOR DESIGN: Built to last ergonomic handle with textured finger points offers a...


Manufacturer: Mercer Culinary | Item model number: M23860| 13 x 4 x 1 inches| *NSF Certification C0391463-1| 8-Inch Narrow Fillet Knife
  • Limited lifetime warranty
  • Textured finger points
  • Ergonomic design
  • Protective finger guard
  • Easy maintenance and cleaning
  • Provides sleeps resistance
  • Comfortable and durable to cut with
  • Comes out sharp
  • Struggles to cut if not sharpened
  • Not for chopping vegetables

Mercer Culinary M23860 Millennia 8-Inch Narrow Fillet Knife is so sharp that some people claimed it to be sort of a samurai sword. Most of them have recommended this knife as a must-have in your kitchen cutlery items.

With its wide range of colors, this knife looks more aesthetically appealing to the users. Its narrow blade makes it more than just a filleting knife. You can cut, dice, and slice your salmon ham, turkey, and chicken with it.

Although it is ideally crafted to use for saltwater fish due to its corrosion-resistant feature, you can also use it for bread cutting. The handle of this knife is structured with an ergonomic design with finger point tips and a combination of Santoprene and polypropylene for a slip-free grip.

The blade comes fully sharpened out of the box so you don’t need to sharp it like you have to do with other knives. Enjoy the best gourmet experience that has all the fishery items on the menu.

7. Zwilling J.A. Henckels 31073-183 Zwilling J.A Fillet Knife

Zwilling J.A. Henckels 31073-183 Zwilling J.A Fillet Knife  - Key Features
164 Reviews
Zwilling J.A. Henckels 31073-183 Zwilling J.A Fillet Knife - Key Features
  • Manufactured in Germany
  • Special formula high carbon NO STAIN steel


Manufacturer: ZWILLING J.A. HENCKELS |Item model number: 31073-183| 16.5 x 2.8 x 1.5 inches | SIGMAFORGE 1-piece, precision-forged construction |Friodur ice-hardening | full rat-tail tang |57 Rockwell Hardness
  • Excellent edge retention
  • Seamless cutting
  • Stainless steel
  • Ergonomic design
  • Hand-honed blade
  • Super bolster
  • Full warranty
  • Dishwasher safe
  • A bit pricey
  • Handle gets better with use

For a filleting knife that will not need sharpening, the Zwilling J.A. Henckels 31073-183 Zwilling J.A Fillet Knife is the best option. The company has spent years in satisfying the needs of its customers with refined and high-end products.

This knife may be a little expensive than other filleting knives for saltwater fish, but it is worth every penny. With its excellent edge retention, you can cut and make the perfect fillets of as many saltwater fishes as you can. Rest assured that its blade won’t corrode or discolor.

It is constructed in a Sigmaforged style for improved stability and sharpness of the blade. Along with that, it features a rat-tail full tang polypropylene ergonomic handle for increased comfort.

It is ice-hardened so that you will not find any resistance to cut even the most stubborn meat whether it is turkey, pork loin, or big fish fillets. The blade is hand-honed and you don’t need to sharpen it in a long time of constant use.

Just maintain it as recommended and it will go a long way!

8. Morakniv Fishing Comfort Fillet Knife

Morakniv Fishing Comfort Fillet Knife  - Key Features
998 Reviews
Morakniv Fishing Comfort Fillet Knife - Key Features
  • Stainless steel fillet knife with patterned, high-friction handle; available in 3.5-inch...
  • 6.1-inch blade is versatile enough for most sizes of fish; slotted plastic sheath is easy...


Manufacturer’s name: Morakniv | Item model number: M-11892 | 14 x 5 x 1 inches; 3.52 ounces |3.5-inch knife| Sandvik 12C27 stainless steel blade thickness: 0.07 inches
  • Plastic sheath
  • Cleans easily
  • Does not absorb odors
  • Limited lifetime manufacturer’s warranty.
  • Excellent corrosion resistance
  • High or hardness scale
  • Includes two belt clips
  • The sheath is just okay
  • The blade is extra sharp but edge needs honing

If you are a die heart fan of fishing, then this knife is essential to have by your side. Whether you need a knife for skinning, boning, slicing, or fileting the saltwater fish, the Morakniv Fishing Comfort Fillet Knife will work as an all-rounder.

This knife is specially designed to sustain hard conditions, which is why it is used to perform heavy-duty tasks. You can work with it for as long as you need without the worry of rust and stains.

The Sandvik 12C27 stainless steel blade material does not absorb odors that keep the taste of every meal fresh and odor-free. The handle is manufactured with a high-friction grip that allows you to balance more effectively while cleaning the fish or deboning it.

The blade of the knife is ultra-sharp, so be a little careful while unboxing it. The good in it is that you won’t need to sharpen it time and again.


Don’t make choosing the best fillet knife for saltwater fish a headache for you, and make your decisions wisely. Trust the experts because we bring only authentic and tested information about every product.

We aim that you buy nothing but the best for your kitchen. So, read the article thoroughly and choose the filleting knife that suits best to your requirements.

Rate this post

Last update on 2024-06-19 at 01:43 / Affiliate links / Images from Amazon Product Advertising API

Please note: is reader supported. This page may contain affiliate links. If you buy a product or service through such a link we earn a commission at no additional cost to you.