Slammer Marine
$270.00 – $750.00Price range: $270.00 through $750.00
Tear-shaped profile, 9″ height with 6″ thickness, designed for horizontal applications; perfect for docks & fender boards.
Slammers’s three part modular fender system includes a sturdy foam inner core, a UV and abrasion resistant fabric cover in your desired length and a polymer mounting track with required hardware.
Contact us to request a custom color
To get a custom length fender you must purchase a fender that is larger than your custom size. We will then cut and finish that fender to your required length.
*subject to additional charges depending on request.
Proudly Made in the USA
🌊 Durability Tested in Harsh Marine Environments
🛡️ Impact-resistant closed-cell foam
→ Shields boats from costly hull damage and dents. Our premium foam core absorbs heavy impacts while resisting water absorption, ensuring long-term shape retention even in harsh weather.
☀️ UV- and abrasion-resistant PVC-coated fabric
→ Guarantees fade-free performance and longevity in saltwater and sunlight. Crafted from the same durable material used in top marine inflatables, this cover withstands fading, cracking, and abrasion for years of use.
🔧 Modular track system
→ Simplifies installation and offers flexible mounting options. Pre-drilled polymer tracks, paired with stainless steel hardware, enable quick DIY setup on wood, aluminum, or concrete docks—vertically or horizontally.
📏 Customizable lengths (24” to 30 ft)
→ Provides a tailored fit for any dock size. Choose or request custom cuts, with options to adjust for unique dimensions, enhancing compatibility and protection.
⏱️ Low-maintenance design
→ Saves time with easy cleaning and no seasonal upkeep. A quick rinse with soapy water removes salt and dirt, while the UV-resistant coating minimizes fading and wear.
Available in Marine Blue, Shark Gray, Ocean White, and Orca Black, Slammer fenders eliminate the hassle of shifting or deflating fenders, providing peace of mind for frequent docking or unpredictable conditions.
⭐ Warranty:
Backed by our industry-leading "fender-to-fender" warranty (4 years for private use, 2 years for commercial), we stand behind every product with repair or replacement support. We will fix it or replace it.
Elevate your dock protection today with Slammer Marine—where quality meets innovation.
The Standard Fender by Slammer Marine is designed to deliver consistent, durable protection for horizontal dock applications. With a tear-shaped profile, this fender system measures 9 inches in height and 6 inches in thickness (including ½” track), offering reliable coverage where boats frequently come into contact with docks. Its larger size and horizontal layout make it a strong candidate for high-impact zones, whether on residential docks or in commercial marina settings. The original Slammer ® dock fenderis the flagship of our trusted modular boat and dock protection system. Ourthree-part design eliminates the uncertainty and inconvenience associated with traditional or inflatable boat fender products. Where hanging fenders slip, deflate, or fail to be in the right place at the right time, the Slammer Standard Fender is securely installed along the dock face providing “always-on station” protection. It doesn’t move out of its protecting position, doesn’t deflate, and doesn’t rely on crew placement to function effectively.
The profile of the large boat fender is tear-shaped to prevent watercraft with low freeboard from getting underneath and it distributes energy across a wider lateral face, making it highly suitable for heavier vessels and normal weather environmentsThe fender’s thickness ensures impact is absorbed and not delected; no trampoline affect. Slammer fendersmake docking smoother and less stressful, even in less-than-ideal conditions. Each Slammer fender is built using a three-part modular construction, which begins with a high-density foam inner core. This foam serves as the primary buffer between the boat and the dock and is engineered to handle repeated pressure without losing shape or effectiveness. Unlike the materials used in an inflatable boat fender, this foam core will not deflate, pop, or collapse with extended use. The second layer is a UV- and abrasion-resistant marine fabric cover that is available in standard lengths or can be custom-cut to your desired length. This durable outer layer protects against sun, saltwater spray, impact, friction, and general wear. It helps keep the fender looking clean and performing at full capacity, even in harsh marine environments. The cover also allows for flexibility in terms of dock layout, color preferences, and maintenance needs. If you’re interested in tailoring your fender to match a specific aesthetic or marina requirement, we invite you to contact us to request a custom color.
Finally, the system includes a purpose-built polymer mounting track and all required stainless steel hardware. This track is specifically designed to hold the fender in place securely, ensuring alignment and durability over time. Whether installed on wood, composite, or other dock materials, the mounting system allows for a firm connection that doesn’t shift, sag, or loosen with movement. Slammer track is an ideal solution for anyone seeking a high performance boat fender that can stay in place season after season. Whether you’re upgrading your current setup or planning a new dock installation, Slammer’s fender standard offers a dependable solution that simply performs better and lasts longer than common alternatives. With its larger dimensions, stable construction, and fixed mounting, it’s designed to support boats of various sizes while reducing the risk of impact related gel coat damage and dock wear. Slammer fenders take the stress during docking. We put fenders where they belong, on the dock! Choose Slammer Marine’s large boat fender to protect your investment and ensure your dock is ready for whatever comes alongside.
At Slammer Marine, we're passionate about protecting what matters most—your boat and dock—from the relentless forces of the sea. Founded by boating enthusiasts who grew tired of flimsy, unreliable fenders that slip, deflate, or degrade after a single season, we engineered the Standard Fender to redefine marine protection. Unlike traditional hanging or inflatable fenders that succumb to sun-fading, salt corrosion, and wave pounding, Slammer is crafted with premium closed-cell foam and UV/abrasion-resistant PVC-coated fabric—materials tested in real harsh environments to last years without cracking, fading, or losing shape.
Proudly made in the USA, our modular system stands strong against scorching sun, corrosive salt, and crashing waves, delivering "always-on" peace of mind. Backed by our industry-leading 4-year warranty (2 years commercial), Slammer isn't just a product—it's a commitment to innovation and reliability. Join thousands of satisfied boaters who've upgraded their docks; contact us today for custom solutions!
Watch our Standard Fender withstand waves and salt in action!
Jonathan (verified owner) – October 11, 2025
Managing a busy marina, I’ve seen traditional bumpers fail fast. The Standard Fender’s foam core and UV cover have held up for two months with zero fading or cracking, even with heavy boat traffic. Easy to install on our pilings, and customers notice the solid protection. A must-have for any dock!
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As we enter our sixth season with Slammer Integrated Dock Fenders at Brown & Howard Marina, their performance has been nothing short of exceptional. These fenders have proven to be incredibly durable, standing up to the demands of a busy marina while maintaining a clean, professional appearance. Beyond superior dock and hull protection, they offer an added layer of safety for both our customers and staff—an invaluable benefit in a high-traffic environment. Their longevity and reliability make them a smart, long-term investment. Equally impressive is the support from the Slammer team—responsive, knowledgeable, and always ready to assist. Choosing Slammer was one of the best decisions we’ve made for the marina, and season after season, they continue to deliver unmatched value.
— Charles Moore
Marina Manager, Brown & Howard Marina | Newport, Rhode Island
We’ve had Slammer Fenders on our fuel dock for many years now and have found that they are an invaluable part of our facility. They provide high quality, reliable protection to our customers boats as well as our docks. Their durability has stood up to the countless boats who visit our fuel dock as well as the New England weather. I highly recommend Slammer Fenders to all commercial or private operations looking to make docking easier.
— Karl Lang
Dockmaster, Cape Ann’s Marina Resort | Gloucester, Massachusetts
We’ve been using Slammer fenders on our heavily used floats for a few years now. Between our regular service and transient customers, we have received many compliments on their appearance and convenience. The primary benefit is that the boats are closer to the dock when tied up, which allows for safer boarding. The Slammers have proved to provide added safety to our customers, their boats, and our staff.
— Jessica DeLosa
Dockmaster, Hinckley Yacht Services | Southwest Harbor, Maine
Quick note to let you know how happy we have been with our Slammer Marine products. Oyster Harbors Marine has not only used them at our marina in Osterville, Massachusetts, but also highly recommend them to our customers for their private docks in the area. We have ordered from you both the fleece-covered product and the PVC product and have used them both on floating docks and fixed pilings. They are easy to install. They are easy to remove in the winter when all the ice shows up. We will be ordering more this spring and continue to promote your product whenever people ask. Thanks for such a great product. We’ll talk soon.
— Matt Carstensen
Dockmaster, Oyster Harbors Marine | Osterville, Massachusetts
Sail Newport has invested in three different sized fendering options from Slammer Marine over the last five years. We chose the fendering because of the installation process being far more durable than their competitors as well as the size range options of the fenders. We have several hundred, if not thousands of sailboat renters and students making landings on our docks throughout the year. Suffice to say our boats take a beating! However, we can quantify the savings in repairing the small nicks and dings or the odd major fiberglass jobs caused by inadvertent “hard” landings on our floating docks! Renters and students don’t always make perfect landings! Slammer Marine fendering has literally saved us thousands of dollars a year in fiberglass repair.
— Brad Read
Executive Director, Sail Newport | Newport, Rhode Island
Absolutely—Slammer fenders are built specifically for harsh marine environments. The closed-cell foam core repels water absorption, preventing rot or degradation, while the PVC-coated fabric cover resists UV damage, saltwater staining, and abrasion from constant exposure. They’re low-maintenance: a simple rinse with soapy water removes salt and dirt, with no need for seasonal removal or special cleaners. This ensures reliable, year-round performance without fading, flattening, or shifting in windy, salty conditions.
Installation is designed for simple DIY with basic tools like a power drill, level, and hand saw for custom cuts—no special skills required. The system includes pre-drilled polymer mounting tracks (½” x 3⅝” x 40″ sections) that affix to your dock face in minutes using included stainless steel screws. Fender sections slide effortlessly into the track for a secure, hidden fit. It’s compatible with wood, aluminum, concrete, fixed, or floating docks, and can be mounted vertically or horizontally to match your setup and boat’s contact points.
We offer an industry-leading “fender-to-fender” no-hassle warranty: 4 years for private docks and slips, and 2 years for commercial applications like launch or fuel docks. If any issue arises—bursting, breaking, or otherwise—we’ll repair or replace it at no cost. Just email us with photos of the problem; we’ll handle the rest. This reflects our confidence in Slammer’s unbreakable build, engineered to be the most durable recreational boat and dock fender available.
Slammer fenders feature a premium closed-cell foam inner core that’s highly impact-resistant and absorbs minimal water, ensuring it maintains its shape even under repeated pounding from waves and boat impacts. The outer cover is made from 30oz PVC-coated, marine-grade fabric—the same UV- and abrasion-resistant material used in top-tier marine inflatables—protecting against saltwater corrosion, fading, and cracking. This construction makes them impervious to extreme weather, saltwater exposure, and daily marine punishment, far outlasting traditional inflatable fenders that degrade in 1-2 seasons.
