Description
Spyderco Atlantic Salt C89SYL 3.69″ Serrated H2 Yellow FRN Folding Knife
The Spyderco Atlantic Salt C89SYL is a purpose-built folding knife designed for users who regularly work around water, moisture and demanding outdoor environments.
Featuring a 3.69-inch H2 steel sheepsfoot blade, aggressive serrated edge and high-visibility yellow fiberglass-reinforced nylon (FRN) handle, the Atlantic Salt combines specialized cutting capability with the extreme corrosion resistance associated with Spyderco’s Salt Series.
Its sheepsfoot blade geometry and serrated cutting edge make it particularly useful for cutting rope, cord and webbing, while the bright yellow handle makes the knife easier to locate around boats, equipment and outdoor gear.
H2 Corrosion-Resistant Blade Steel
The Atlantic Salt features H2 steel, an evolution of the nitrogen-based blade technology Spyderco has long used in its Salt Series.
H2 is engineered to provide exceptional corrosion resistance, making it particularly well suited for environments where conventional blade steels may require significantly more maintenance.
Its characteristics make the Atlantic Salt a strong choice for:
- Saltwater environments
- Freshwater environments
- Boating
- Fishing
- Kayaking
- Marine work
- Humid climates
- Outdoor activities
For users who regularly expose their equipment to water, corrosion resistance isn’t just a cool spec—it’s a major practical advantage.
3.69-Inch Sheepsfoot Blade
The Atlantic Salt features a 3.69-inch sheepsfoot blade.
Unlike a conventional drop-point or clip-point knife, a sheepsfoot profile minimizes the prominence of the blade tip while providing a long, highly functional cutting edge.
This geometry has traditionally been popular in marine and rescue-oriented knives because it provides excellent slicing capability while reducing the risk associated with an aggressively pointed tip.
Serrated Cutting Edge
This Atlantic Salt features a fully serrated cutting edge designed to aggressively engage tough and fibrous materials.
Serrations are particularly effective for cutting:
- Rope
- Cord
- Webbing
- Straps
- Netting
- Heavy packaging
- Other fibrous materials
That capability makes the Atlantic Salt particularly useful aboard boats, around docks and in outdoor environments where rope and cordage are commonly encountered.
High-Visibility Yellow FRN Handle
The Atlantic Salt features a bright yellow fiberglass-reinforced nylon handle.
The color serves a practical purpose.
If the knife is dropped around a boat, dock, campsite or pile of equipment, the high-visibility yellow handle makes it considerably easier to locate than a conventional black knife.
FRN construction also provides excellent durability while keeping overall weight low.
Spyderco Salt Series
The Salt Series was developed specifically around knives intended to resist corrosion in wet and marine environments.
Spyderco combines corrosion-resistant blade materials with carefully selected hardware and components to create knives capable of tolerating environmental exposure that can quickly become problematic for conventional folding knives.
The Atlantic Salt is one of the most purpose-driven designs in that lineup.
Signature Spyderco Round Hole™
The blade incorporates Spyderco’s iconic Round Hole™ opening system.
Rather than using a traditional thumb stud, the large opening hole provides an intuitive interface for blade manipulation.
Its generous dimensions are particularly useful on an outdoor or marine knife where the user may be working with wet hands or gloves.
Secure Back Lock
The Atlantic Salt incorporates a proven back-lock mechanism to secure the blade in its open position.
Once fully deployed, the lock engages to provide dependable blade lockup during appropriate cutting tasks.
The simple and established locking design complements the Atlantic Salt’s focus on reliability and straightforward operation.
Lightweight Marine Utility
Despite its relatively long blade, the Atlantic Salt remains lightweight thanks to its FRN handle construction.
That makes it practical for carrying throughout the day whether clipped inside a pocket, attached to compatible gear or kept with marine equipment.
The combination of low weight, high visibility and corrosion resistance makes it particularly well suited for situations where conventional EDC knives aren’t ideal.
Built for Boating, Fishing and Outdoor Use
The Atlantic Salt’s design makes its intended environment pretty obvious.
The corrosion-resistant H2 steel, serrated sheepsfoot blade and yellow handle create a knife specifically suited for wet environments and rope-heavy activities.
It’s an excellent choice for:
- Boaters
- Anglers
- Kayakers
- Sailors
- Marine workers
- Outdoor enthusiasts
- Rescue and emergency gear kits
If your knife spends more time around water than your phone probably should, the Atlantic Salt makes a lot of sense.
Purpose-Built Spyderco Salt Performance
The Spyderco Atlantic Salt C89SYL combines specialized blade geometry with extreme corrosion resistance and high-visibility construction.
Its 3.69-inch serrated H2 sheepsfoot blade, yellow FRN handle, Round Hole opener, secure back lock and included pocket clip create a highly capable folding knife for marine and outdoor environments.
For buyers searching for a Spyderco Atlantic Salt yellow serrated knife, the C89SYL delivers the corrosion-resistant performance and specialized cutting capability that define Spyderco’s Salt Series.
Spyderco Atlantic Salt C89SYL Specifications
- Manufacturer: Spyderco
- Model: Atlantic Salt
- Model Number: C89SYL
- Series: Salt
- Product Type: Folding Knife
- Blade Length: 3.69″
- Blade Steel: H2
- Blade Style: Sheepsfoot
- Edge: Serrated / SpyderEdge™
- Opening Feature: Spyderco Round Hole™
- Locking Mechanism: Back Lock
- Handle Material: Fiberglass-Reinforced Nylon (FRN)
- Handle Color: Yellow
- Pocket Clip: Included
- Corrosion Resistance: Extremely High
- Primary Applications: Boating, Fishing, Marine Use, Rescue, Outdoor Use and General Utility
The Atlantic Salt is a modified Rescue made with state-of-the-art non-rusting H1 steel. H1 is a precipitation-hardened steel containing nitrogen instead of carbon, which cannot rust. Hollow-ground blade. Textured with a Volcano Grip pattern, the molded fiberglass-reinforced nylon (FRN) handle comes in visible marine yellow.




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