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Depth Sounders Fishfinders
Depth Sounders & Fish Finders – Supply, Installation & Setup
At Shotgun Marine Services (SMS) and PMMS, we don’t just sell depth sounders and fish finders - we make sure they’re selected, installed and tuned properly so you can actually see fish, structure and bottom detail the way you should.
Fish Finders Done Right – Not Just a Screen on the Dash
A sounder is only as good as the system behind it. Screen size, transducer choice, mounting position and setup all play a huge role in how well your fish finder performs on the water.
We’re authorised service dealers and accredited installers for all major marine electronics brands including Garmin, Furuno, Simrad, B&G and Coursemaster. We’re not just an online store — we’re qualified, experienced marine electricians who assess your boat, hull and fishing style before recommending any sounder setup.
Built for How Aussies Fish
From estuary and inshore fishing boats through to offshore rigs, charter vessels and commercial boats, we deliver consultation-led depth sounder and fish finder solutions across Port Macquarie, the Mid North Coast NSW and throughout New South Wales, with Australia-wide consultations available.
Whether you’re chasing crisp bottom detail in shallow water, better target separation around structure, or reliable readings at speed offshore, we design sounder systems to suit how and where you fish — not a one-size-fits-all setup.
Garmin fish finders are a popular choice with Aussie anglers thanks to their clarity, CHIRP performance and integration with LiveScope, charts and trolling motors. We also install Furuno and Simrad systems where the application demands it.
Professional Installation & Tuning Matters
Correct installation makes a massive difference to sounder performance. We handle screen mounting, transducer selection and placement, power supply, networking and on-water tuning to ensure reliable readings at rest and on the move.
This is specialist work — and it’s why we always assess before recommending equipment.
Book a Sounder & Fish Finder Consultation
Depth Sounder & Fish Finder FAQ
What’s the difference between a depth sounder and a fish finder?
A depth sounder shows bottom depth, while a fish finder uses sonar to display fish, structure and bait. Most modern units combine both, but setup is key.
Why do I lose bottom reading at speed?
This is usually due to transducer selection or mounting position. We see this all the time and fix it properly.
Do I need CHIRP or live sonar?
It depends on how you fish. CHIRP suits most anglers, while live sonar like LiveScope can be a game-changer when used correctly.
Can you upgrade my existing fish finder system?
QsYes. We regularly upgrade sounders, transducers and networking without needing to start from scratch.
Do you install sounders on commercial and charter vessels?
Yes. We specialise in professional sounder installations for commercial, charter and working boats.
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G'day skipper! 👋
I'm BoatBuddy — Shotgun Marine & PMMS's digital deckie.
Need a hand with marine electronics, repairs, or a full fitout? I'll point you in the right direction.