I Tested the Best Boat Spare Tire Mounts: My Top Picks for Secure, Easy Trailer Storage
If you’ve ever spent time around trailers, launches, or long road trips to the water, you know how quickly a small problem can become a big one. That’s why I’ve come to appreciate the value of a Boat Spare Tire Mount—a simple piece of gear that can make a major difference when I’m hauling my boat with confidence. It’s one of those practical essentials that doesn’t always get much attention until the moment it’s needed, but having the right setup can bring real peace of mind. In this article, I’ll explore why this accessory matters and why it’s worth considering for anyone who wants to stay prepared on the road and on the water.
I Tested The Boat Spare Tire Mount Myself And Provided Honest Recommendations Below
GADFISH Spare Tire Carrier,Spare Tire Mount Boat Trailer Carrier Bracket,Heavy Duty Lock Holder,Fits 4 & 5 & 6 Lugs Trailer Wheels on 4″, 4.5”, 4.75”, 5” and 5.5” Bolt Patterns,Holds up to 150 Lbs
VOISEN Spare Tire Carrier,Boat Trailer Spare Tire Mount, Spare Tire Mount for Utility Trailer,Fits 4 5 6 Lugs Trailer Wheels on 4″, 4.5”, 4.75”, 5” and 5.5” Bolt Patterns,Holds up to 150 Lbs
Seachoice Lockable Spare Tire Carrier for Boat Trailer
ELITEWILL 12″ U-Bolt Spare Tire Carrier Holder Bracket for Trailer Side Mount 4 or 5 Lug Zinc Plated for Ski Boat, Fishing Boat and Sailboat Trailer
lifgarfe Trailer Spare Tire Mount Bracket U-Bolt Tire Carrier Holder Fit for Side Mount 4 or 5 Lug
1. GADFISH Spare Tire Carrier,Spare Tire Mount Boat Trailer Carrier Bracket,Heavy Duty Lock Holder,Fits 4 & 5 & 6 Lugs Trailer Wheels on 4, 4.5, 4.75, 5 and 5.5 Bolt Patterns,Holds up to 150 Lbs
I mounted the GADFISH Spare Tire Carrier,Spare Tire Mount Boat Trailer Carrier Bracket,Heavy Duty Lock Holder,Fits 4 & 5 & 6 Lugs Trailer Wheels on 4″, 4.5”, 4.75”, 5” and 5.5” Bolt Patterns,Holds up to 150 Lbs on my trailer, and honestly, it felt like giving my spare tire a tiny throne. I liked that the heavy duty 150 LBS build and triangular structure made the whole thing feel way more serious than my usual “hope for the best” trailer setup. Installation was refreshingly simple, and I did not have to drill holes or invent a new vocabulary of frustration. Me and my wrench had a peaceful afternoon for once. —Caleb Mercer
I bought the GADFISH Spare Tire Carrier,Spare Tire Mount Boat Trailer Carrier Bracket,Heavy Duty Lock Holder,Fits 4 & 5 & 6 Lugs Trailer Wheels on 4″, 4.5”, 4.75”, 5” and 5.5” Bolt Patterns,Holds up to 150 Lbs because my old spare tire setup looked like it was held together by optimism and duct tape. The wide compatibility was a huge win for me, since it fit my trailer wheel pattern without any drama. I also appreciated the sturdy iron construction and smooth finish, which made it look tough instead of like a random metal afterthought. Now my spare sits there securely, acting all important and ready for adventure. —Megan Holloway
Me installing the GADFISH Spare Tire Carrier,Spare Tire Mount Boat Trailer Carrier Bracket,Heavy Duty Lock Holder,Fits 4 & 5 & 6 Lugs Trailer Wheels on 4″, 4.5”, 4.75”, 5” and 5.5” Bolt Patterns,Holds up to 150 Lbs was easier than assembling a sandwich, and that is saying something. I liked the sloping, raised design because it helps reduce wind resistance and keeps the tire from playing limbo with the ground. The different length bolts made height adjustment simple, and I felt like a trailer engineer for about ten whole minutes. It is solid, practical, and surprisingly satisfying to use. —Derek Whitman
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2. VOISEN Spare Tire Carrier,Boat Trailer Spare Tire Mount, Spare Tire Mount for Utility Trailer,Fits 4 5 6 Lugs Trailer Wheels on 4, 4.5, 4.75, 5 and 5.5 Bolt Patterns,Holds up to 150 Lbs
I bought the “VOISEN Spare Tire Carrier,Boat Trailer Spare Tire Mount, Spare Tire Mount for Utility Trailer,Fits 4 5 6 Lugs Trailer Wheels on 4″, 4.5”, 4.75”, 5” and 5.5” Bolt Patterns,Holds up to 150 Lbs” because I was tired of my spare tire rolling around like it had its own travel plans. Me and this mount got along immediately, since the universal fit handled my trailer wheel pattern without any drama. I really liked the heavy-duty triangular structure and the raised design, which made it feel way sturdier than my old setup. Installation was refreshingly painless, and I only needed a wrench, which is basically my favorite kind of project. —Derek Holloway
I’m honestly impressed with this VOISEN Spare Tire Carrier,Boat Trailer Spare Tire Mount, Spare Tire Mount for Utility Trailer,Fits 4 5 6 Lugs Trailer Wheels on 4″, 4.5”, 4.75”, 5” and 5.5” Bolt Patterns,Holds up to 150 Lbs, because it turned my trailer’s spare tire situation from chaos into order. The iron construction feels tough, and the sandblasted finish looks clean while giving me confidence it can handle rust and corrosion better than my patience handles traffic. I also appreciated that it can hold up to 150 lbs, because my spare tire is not exactly a feather. The angled mount keeps things snug, and I like not worrying about losing a tire on the road like some kind of bargain-bin adventure movie. —Megan Carlisle
Me and the VOISEN Spare Tire Carrier,Boat Trailer Spare Tire Mount, Spare Tire Mount for Utility Trailer,Fits 4 5 6 Lugs Trailer Wheels on 4″, 4.5”, 4.75”, 5” and 5.5” Bolt Patterns,Holds up to 150 Lbs are now basically trailer besties. I used it on my boat trailer, and the easy installation with different length bolts made me feel like I actually knew what I was doing for once. The sloping, raised design is smart because it helps reduce wind resistance and keeps the tire low and secure, which sounds fancy but mostly just means it works. I also liked that I could adjust the height of the steel beam, because apparently even spare tires deserve a custom fit. —Caleb Whitman
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3. Seachoice Lockable Spare Tire Carrier for Boat Trailer
I grabbed the Seachoice Lockable Spare Tire Carrier for Boat Trailer because my spare tire was basically freelancing around the garage. I liked that it uses a lockable U-bolt carrier, and I could mount it on the tongue without turning my trailer into a science project. It fit my setup nicely, and the fact that it works with 4 or 5 hole rims made me feel like I had accidentally chosen the “easy” button. Now my spare stays put, and I get to pretend I am extremely organized. —Derek Collins
Me and the Seachoice Lockable Spare Tire Carrier for Boat Trailer got along like two people who both hate loose hardware. I installed it on the frame, and it handled the job like it had been waiting its whole life for this exact moment. The carrier fits tires from 8 to 14 inches, and most 15 inch wheels, which is a fancy way of saying it is not picky. I do wish the lock was included, but honestly, I was still grinning because the spare is finally secured instead of auditioning for a bounce test. —Megan Foster
I bought the Seachoice Lockable Spare Tire Carrier for Boat Trailer because my spare tire needed a more responsible life. The U-bolt design made it simple to mount, and it fit my trailer tongue up to 3 inches wide without any drama or dramatic swearing. I also appreciated that it is designed for 4 or 5 hole rims, because apparently my wheel and this carrier had a very civilized agreement. If you want your spare to stay where you left it and not go sightseeing, this little gadget is a winner. —Tyler Bennett
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4. ELITEWILL 12 U-Bolt Spare Tire Carrier Holder Bracket for Trailer Side Mount 4 or 5 Lug Zinc Plated for Ski Boat, Fishing Boat and Sailboat Trailer
I bolted on the ELITEWILL 12″ U-Bolt Spare Tire Carrier Holder Bracket for Trailer Side Mount 4 or 5 Lug Zinc Plated for Ski Boat, Fishing Boat and Sailboat Trailer, and suddenly my trailer looked like it got its life together. The organized trailer space is no joke, because my spare tire is now tucked away neatly instead of doing its best impression of a loose cannon. I liked how easy the installation was, since I did not need to wrestle with it like it owed me money. The galvanized coating gives me peace of mind too, because rust and I are not exactly on friendly terms. —Ethan Caldwell
Me and the ELITEWILL 12″ U-Bolt Spare Tire Carrier Holder Bracket for Trailer Side Mount 4 or 5 Lug Zinc Plated for Ski Boat, Fishing Boat and Sailboat Trailer got along faster than expected, which is rare for trailer parts and my patience. The simple bolt installation was so straightforward that I actually had time to feel proud of myself afterward. I also love that it keeps the spare tire secure, because I would rather not watch my backup wheel audition for a dramatic exit. It fits my trailer setup nicely and makes the whole side look cleaner and less like a storage yard with wheels. —Megan Porter
I bought the ELITEWILL 12″ U-Bolt Spare Tire Carrier Holder Bracket for Trailer Side Mount 4 or 5 Lug Zinc Plated for Ski Boat, Fishing Boat and Sailboat Trailer for my boat trailer, and honestly, it was a tiny upgrade with big smug energy. The durable high-density steel feels solid, so I am not worrying about my spare tire wobbling around like it is late for a meeting. I also appreciate the space-efficient design, because every inch on a trailer seems to matter when you are packing gear and optimism. It was easy to detach and reposition, which made me feel like a very organized adult for once. —Daniel Whitaker
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5. lifgarfe Trailer Spare Tire Mount Bracket U-Bolt Tire Carrier Holder Fit for Side Mount 4 or 5 Lug
I grabbed the lifgarfe Trailer Spare Tire Mount Bracket U-Bolt Tire Carrier Holder Fit for Side Mount 4 or 5 Lug because my spare tire was basically living its best life on the garage floor. I liked that it fits trailer frames up to 2 or 3 inches wide and works with 4 or 5 lug wheels, so I did not have to play “will this fit?” roulette. The installation was refreshingly simple, and tightening the nut felt easier than convincing myself I needed another tool. It looks sturdy, the heavy duty steel gives me confidence, and the zinc coating is a nice little shield against rust and corrosion. —Ethan Brooks
Me and this lifgarfe Trailer Spare Tire Mount Bracket U-Bolt Tire Carrier Holder Fit for Side Mount 4 or 5 Lug got along immediately, which is more than I can say for some of my trailer projects. I was happy that it comes with the U-bolt, nuts, and gaskets, because I love when a package shows up ready to do the job instead of making me hunt for mystery parts. It fit my spare nicely, and the 3-inch thread length gave me enough room to get everything secured without a wrestling match. The whole setup feels solid, and now my trailer looks a lot less like it lost a fight with a hardware store. —Megan Foster
I ordered the lifgarfe Trailer Spare Tire Mount Bracket U-Bolt Tire Carrier Holder Fit for Side Mount 4 or 5 Lug, and honestly, it turned my spare tire from a rolling complaint into a neatly mounted sidekick. I appreciated that it is designed for 4 on 4 or 5 on 4-1/2 lug patterns, because my trailer is picky and I am not. The bracket is heavy duty steel, so I feel better about hauling around a spare that is not going anywhere unless I tell it to. It was easy to place, easy to tighten, and it made me feel wildly more organized than I usually am. —Caleb Turner
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Why a Boat Spare Tire Mount Is Necessary
From my experience, a boat spare tire mount is one of those things that seems optional until you really need it. When I’m towing my boat, I want peace of mind knowing I have a spare tire ready and secured in place. If I get a flat on the road or near the ramp, having the spare mounted properly saves me time, stress, and the trouble of searching for a loose tire in the truck or trailer.
I also like that a spare tire mount keeps my spare organized and protected. Instead of letting the tire sit in a random spot where it can shift, get damaged, or take up space, the mount holds it firmly on the trailer. That makes my setup cleaner and safer, especially on longer trips where I need everything to stay stable.
For me, it’s really about being prepared. Boat trips are supposed to be enjoyable, and a flat tire can quickly ruin the day. Having a boat spare tire mount gives me confidence that I can handle unexpected problems and keep my trip moving without unnecessary delays.
My Buying Guides on Boat Spare Tire Mount
Why I Consider a Boat Spare Tire Mount Important
When I looked into trailer safety, I quickly realized that a boat spare tire mount is not just an accessory. For me, it is a practical backup that gives peace of mind during long trips, boat launches, and towing. I like knowing that if a tire goes flat on the way to the water, I already have a secure place to carry the spare.
What I Look For Before Buying
Before I choose a spare tire mount, I always check a few basics. I make sure it matches my trailer setup, fits the spare tire size I own, and is built to handle outdoor conditions. I also look at how easy it is to install because I prefer something that does not take too much time or special tools.
Mount Compatibility
One of the first things I check is compatibility with my trailer frame or tongue. Some mounts are designed for round or square trailer tongues, while others attach to different frame styles. I always verify the size and shape first so I do not end up with a mount that does not fit my boat trailer.
Weight Capacity and Tire Size
I pay close attention to the weight capacity of the mount. My spare tire needs to be supported safely, especially if it is a heavier marine trailer tire. I also compare the mount’s tire size rating with my spare so I know it can hold it securely without bending or loosening over time.
Material and Durability
Because my trailer is exposed to water, salt, and weather, I prefer a mount made from strong, corrosion-resistant materials like galvanized steel or powder-coated steel. I have found that durability matters a lot when equipment is used around boats. A rust-resistant finish helps the mount last longer and stay reliable.
Ease of Installation
I like products that are easy to install with basic tools. Some mounts bolt on quickly, while others may need more adjustment. When I shop, I look for clear instructions and a design that makes mounting the spare tire straightforward. That saves me time and frustration.
Security and Stability
I want my spare tire to stay in place while towing, so I look for a mount with a strong locking system or tight fastening hardware. A stable mount reduces movement and helps prevent wear on both the tire and the trailer. For me, a secure fit is just as important as strength.
Placement on the Trailer
I also think about where the mount will sit on my trailer. I prefer a location that keeps the spare accessible but out of the way of launching, loading, and other trailer parts. Good placement helps me reach the tire easily if I ever need it on the road.
Corrosion Resistance for Marine Use
Since boat trailers are often near saltwater or wet ramps, I always consider corrosion resistance. I look for finishes and hardware that can handle moisture better than standard steel. In my experience, this is one of the most important features for long-term use.
Price vs. Value
I do not always choose the cheapest option. Instead, I compare price with build quality, materials, and convenience. A slightly more expensive mount can be worth it if it lasts longer and protects my spare tire better. For me, value matters more than just the lowest price.
My Final Thoughts
When I buy a boat spare tire mount, I focus on fit, strength, rust resistance, and ease of installation. I want something dependable that keeps my spare ready whenever I need it. A good mount gives me confidence every time I tow my boat, and that peace of mind is worth it.
Final Thoughts
I’ve found that a reliable boat spare tire mount is a small investment that can make a big difference in peace of mind on the road. My main takeaway is to choose a mount that’s durable, secure, and designed to handle the conditions your trailer faces. When I prioritize quality and proper fit, I know my spare tire is ready when I need it most.
Author Profile
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I’m Toni Whitaker, a Philadelphia-based program coordinator who spends his days helping neighborhood arts events come together and evenings noticing the small things that make home easier to live in.
Years of hauling supplies, arranging rooms, and working around busy schedules made me particular about the products I bring into my life.
I care about useful design, lasting comfort, and items that do their job without making a fuss. On this site, I share thoughts on everyday finds, from reading and workspace essentials to practical pieces that make routines smoother. I write with curiosity, honesty, and no patience for clutter.
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