Make Your Boat Safer Than Ever!

Feel safer and more confident in your boat with drastically increased stability and better performance!

BUSINESS NOW CLOSED. Out of stock 100%

STILL OFFERING CUSTOMER SUPPORT & WARRANTY COVER TO EXISTING CUSTOMERS

Boat Collar IP rights & training are available for purchase

Are you feeling unsafe in your boat?

Your safety matters
3.8m tinny, BEFORE & AFTER
3.8m tinny, BEFORE & AFTER

Many boat owners experience anxiety and frustration due to poor stability and high risks of capsizing.

The Kapten Boat Collar provides a simple solution.

Our flotation device is designed to specifically enhance stability and buoyancy, allowing you to stand, move and board safely. Feel the transformation as you enjoy peace of mind while fishing and travelling. The Collars improve your boat's overall handling, whether it's on calm waters or in challenging offshore conditions - experience the joy of safe boating today.

We've tested our Collars to the extreme,
so you can trust YOUR boat!

The external flotation of the Kapten Boat Collars is fitted low at the chine line for maximum stability, and the strong foam material ensures you don't have to worry about the Collars deflating if punctured at sea.

The customised fitting of the Collars - having the Collars go full length around the boat - results in the BEST & BIGGEST improvement to stability, overall performance and safety levels.

How Kapten Boat Collars work

 

And why your boat needs them
SHAPE

The Collars are cut on a 10-degree down-angle to create a wide reverse chine underneath which captures water underneath to create hydrodynamic lift. The 'fin' like Collars also cup the water laterally, creating greater resistance to tipping compared to round or square pontoons.

SIZE

Kapten Boat Collars come in 3 width sizes, offering a variety of buoyancy amounts, but the bigger the boat, the bigger the reverse chine you'll need. We'll help you decide which one is best for you.

MATERIAL

Heavy duty, marine grade foam is used so the Collars can bend & twist with the hull, and lasts for 15+ years. The hardware fixings are treated to prevent corrosion in the salt environment, and all fixings are water-tight and won't cause corrosion to the hull.

POSITION

Installed at the lowest point on the side, the reverse chine increases the boat's footprint in the water for maximum stability at rest AND underway, and goes all the way to the bow for bow-lift, spray deflection and anti-broaching safety.

Unfortunately, not ALL boats are suitable for the Collars

The Kapten Boat Collars are not a one-size-fits-all type of product. They're not suitable for certain boat shapes and sizes, including most fibreglass and plastic boats, but are perfect for most aluminium boats, including plate boats.

We strive to achieve a perfect fit for each boat to create the absolute best performance and stability possible.

The Boat Collars change the shape of the boat's footprint in the water, and therefore must go full-length of the boat, and/or must end high at the gunwale if ended short (like the F390 Quintrex Explorer Outback, pictured here>).

Contact us today to see if YOUR boat is suitable for a Collar! Or head to our Gallery and see the multiple varieties of boats we've done.

Boarding your boat becomes a lot easier & less stressful, too!

Your confidence will soar with a bigger feeling & rock-solid boat. The whole trip is relaxed, fun and safer from the very moment of boarding.

"Over half of all fatal boating accidents in small vessels are due to capsizing and falling overboard."
-NSW Department of Transport findings for 2002 - 2012.

Rob never imagined his boat would fill with water!
5.2m Stessl Half-cab
Rob Jarius. 5.2m Half-cab Stessl (pictured). 2025

"After a full day on the water the boat was reacting strange, so we headed [home]... Turns out the boat was full of water under the floor cause the rivets holding the bungs-in had corroded away and the 30mm bungs and surrounds were gone. If I didn't have the Collar fitted, the boat would have sunk. The Collars literally saved the boat & us!".

Enjoy a truly safe and stable boat on the water

So every moment is enjoyable, fun & safe

Safe Boarding

Just step off your boat from the corner of the seat or even the gunwale, and step straight onto the jetty, without fear of your boat tipping. The Collars make your boat so stable, you can freely sit, climb-up or stand anywhere on the gunwale.

Safe Travel

Your Boat Collars constantly work to keep your boat & crew steady while driving, due to the large reverse chines creating hydrodynamic lift on both sides of the boat, and lifting the bow in following swell. The Collars keep everyone dry, too!

Safe, Flooded

The most common & dangerous threat to small boats is a wave washing on board, swamping the hull with water. Instead of this flipping or sinking your boat, the external buoyancy of the Collars keeps you even more stable as the water inside just acts like ballast!

Stable Fishing

You can both fish on same side, whenever you want, without needing to keep the weight balanced on each side of the boat, or needing to alert others that you're about to move. Enjoy every inch of your boat now that its transformed into a truly steady fishing platform.

Stable Insurance

Your Boat Collar actually works to prevent disasters from happening, unlike boating insurance that only helps-out after an accident. You can avoid the costs of recovering your submerged boat, or the inconvenience of replacing your keys, phones, fishing gear, or repairing your flooded outboard.

Go Where You Want

Given all the prior points, the better performance allows you to venture further offshore and fish new grounds, staying longer. Bad weather conditions aren't so much a problem anymore, and you'll often find yourself the only one at the boat ramp, coming home safe & sound.

Massive stability & safety for ALL kinds of boats!

Suitable for most boats 2.5m - 6m long.
Our Customers Love Their Boat Collars!

If you're tired of poor stability, our Boat Collar is the right choice.

We understand how worrying and unsafe a tippy boat can feel.

But with 15-years of happy customers and a Gold Tick award, we know all about stability.

(Hover over photos to see their boat)

4m Quintrex Dart

"Wow! What a massive difference!!!!

I am heavy, and I can [now] stand on the side of the boat without it dipping into the water. Words cannot describe how awesome this concept is."

- Dimitri Arnis

4.2m Stessco Catcher

"[the kids] were moving about the boat like it was an aircraft carrier. I was about to remind them of our earlier brief, but the boat was so steady, I let it go, and they had a ball." 

- St John J.

4.9m Quintrex Escape

"110km round trip.... dry windscreen. Beautiful, soft and stable ride. Honda BF60hp, less work & fuel. 40L full day. Best money I've ever spent on a boat mod. Recommend this product to any boatie."

- Bruce Saville 

Your instability problems are now a thing of the past

Kapten Boat Collars are designed to endure

15-years of positive feedback from Boat Collar customers means they're better than ever.

WATER TIGHT
SEAL

In 2015, we upgraded to nylon dome washers for an even longer lasting, superior water-tight seal. Result: dry as toast.

NON-CORROSIVE
FITTING

Screws are coated with Tef-Gel, an anti-corrosion & water repelling cream that never dries out, is long lasting, and non-carcinogenic.

LASTING
DURABILITY

Our foam is custom made with additives and different foam layer densities for maximum long life. Est. 15-20years.

Your Collars are made from top quality, custom-made foam

Stabilizers that won't deflate if punctured!
-Foam is custom made, just for KBC!
-Closed-cell, cross-linked Polyethylene
-UV stabilised
-Fire retardant
-Petro-chemical stabilised (petrol fumes won't melt it)
-Hard inner layer, for strong fitting
-Hard outer layer, for durability of use
Open cell vs closed cell foam for flotation
Kapten Boat Collars are made from CLOSED CELL FOAM

We understand how hard it is, struggling in an unsafe, poorly performing boat

 

Pat Jones, (husband and now great-grandfather) is the guru behind the Collars. He's always loved boating and fishing, ever since he was a young fella on his dad's self-built boats, and even now, at 75 years-old, he still fishes 40NM offshore by himself, in the boat he designed and built himself last year!

Pat used to be so annoyed by commercially built boats, especially when he'd come home drenched from spray on winter nights, or if the weather turned and caused some chop, he hated how rough the ride home would be, making him feel battered and bruised from boats' claiming to be soft riding!

Another annoyance for him in small boats was not feeling secure and stable enough to stand up and pee overboard, or when he'd get in from the shoreline, feeling like he had to crab walk into the boat in an effort to prevent it from tipping over! It was why he preferred boats over 4.2m/14ft, as they were less likely to have those annoyances. But they'd usually have other problems.

But the clincher was when he nearly capsized his 4.2m tinny after it broached during a bar-crossing, that he'd had enough! He was determined to design a solution for himself and people like you, who are experiencing the same scary and annoying performance traits from standard, commercial boats.

For 30+ years, he'd experimented with extraordinary designs, and his research convinced him of the amazing effectiveness and benefits of REVERSE CHINES.

Every boat should have them!

Pat realised he could combine his boat-building trade, love and understanding of surfing and wave motion, and his passion for hydrodynamics, to create something unique and suitable for a range of boat sizes and shapes.

By using foam as the main material, it placed the flotation in the most important and reactive position (outside at chine level), and by shaping it with a down angle to the outside, the Collars created a reverse chine when fitted to a standard hull shape!!

Thus the Kapten Boat Collars are proven to drastically enhance a boat's overall performance & stability, making boating so much safer and more enjoyable overall, therefore reducing boating risks & truly saving and enhancing people's lives.

Pat solved the problem of unsafe boating for thousands of people!

It's why he won the Gold Tick Award in 2019 at the Good Design Awards ceremony in Sydney!

Pat Jones and his family team at Kapten Boat Collars have been improving small boat safety, since 2010, for the thousands of happy customers who love their 'new' boats, and the absolute freedom and confidence it has now given them.

One of the first Kapten Boat Collars made
One of the first Kapten Boat Collars, showing the original logo, back in 2000.
Trialing the Kapten Boat Collar stabiliser in big surf
A lifelong surfer, Pat tested the Collars in big surf, to make sure they improve boats performance during bar-crossings.
Pat in Sydney, accepting the "Good Designs" gold tick winner award, to Kapten Boat Collars, 2019

Installing the Collars are easy and straight-forward

You can D.I.Y install at home, or have your Collars professionally installed by others in the know.

If you'd consider yourself a 'handy-man' and have basic tools and a hand-held drill - that's all you really need. Oh, and a few ratchet straps!

Click HERE for our list of installers in Australia, or click button below for more info.

Currently only shipping around Australia and to New Zealand

Can be seen on/in:

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Making Small Boats Safer - Since 2010

Contact Us

Tell us your boat size and select which Collar you'd prefer - or let us chose for you.

DIY Install

DIY Install at home or have it professionally installed for you elsewhere

Enjoy!

Hit the water with increased confidence and trust in your 'new' boat

International I.P Licence Agreements Available

Take the Collars to your part of the world with an International IP Licence Agreement, allowing you to sell the renowned and proven Kapten Boat Collars around the world.

HUGE INTERNATIONAL POTENTIAL

Agreements start from $29,000 AUD each