If it has wires on it and you want it put in your boat or trailer then speak with us. We’re experts with all things electronic.

Sounders, Transducers, Marine Audio, TV, Wifi, 4G Coverage Boosters, Dual Battery installs, DC>DC Chargers, Switch Panels, 240v Inverters, LED Lighting – Navigation/Targa/Interior, Spotlights/Live Wells/Gunwale/Squid Lights and more.

As a professional our duties involve offering regular maintenance of a boat’s electrical systems. Our chief engineers will take care of everything and so you don’t have to worry about anything. You can easily enjoy your ride on your boat. If you need service for replacing the DC to DC Charger in Sydney Harbour or installing a new one then we are right here to help you in that. Setting up and installing different kinds of devices and other items on the boat is what we are specialized for. Therefore, you can easily hire us for a Dual Battery Set up in Sydney.  Not only that, we will also give you the right tips and advice which will help you to maintain your boat and its electrical parts in the best possible way.

So, whether you need to install any kind of electronic gadgets or devices we can help you with that. You don’t have to wait for too long. The team of That Boat Guy are well trained to manage such kind of work and offer you fast solutions. Our professionals have great skills to exceed the expectations of our customers. The only aim of the experts of our company is to provide quality technical services. Our professionals are highly experienced to fix any kind of problems which you might be facing with the boat.

Offering great service for Dual Battery Set up in Sydney Harbour and increasing the life of old engines is what we are specialized for. We are skilled in managing such work and make sure that the old engines are performing much better than the new one.

For us nothing is more important than to offer best in class installation or replacement service for DC to DC Charger in Sydney Harbour within a reasonable price.

This is just a sample of some of the work completed for our customers. Click an image to find out more information.



Whatever needs doing to your boat we have you covered. Experts in stainless & fibreglass accessories, downriggers, outriggers, custom switches and more.

Set-Up & Install

Bought something new and shiny and can’t wait to use it but don’t know what to do next? We can install just about anything in or on your boat & trailer.

Faults & Repairs

Engine light on? Something sounds fishy and it’s not your catch? Whatever your issue we’re here to help diagnose and repair any boat faults.


With production stopped many dealerships won’t service these brands. Come see us. We love old engines and will help to get you more life without upgrading.

Boat Inspections

Found the boat of your dreams but worried it will turn out a nightmare? Our comprehensive pre & post purchase inspections will get you on the water ASAP.

Share Boat Set-Up

Removable down/out-riggers, bait boards, live bait tanks and more. Get all the gear you need into the boat without any holes for your mates to worry about.

Car Audio

We do more than just boats. We’re pro’s at classic car audio installation too. Head units, media players amplifiers, sub-woofers, tweeters and security.


0460 639 796


9:00am – 6:00pm


For all your boating and fishing needs give us a call or fill out this form to get in touch.