Navigation & Fishfinders

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Network Multifunction System Packages
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Network Multifunction Displays with Radar
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Network Multifunction Displays with Fishfinder
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Network Multifunction Displays
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Black Box System Packages
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GPS - Fishfinders
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GPS - Chartplotters
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GPS Only

Standalone Fishfinders
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Forward & SideScan Fishfinders
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Black Box Fishfinders
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Black Box Systems Accessories
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Charting Software
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Featured Brands

Defender sells the latest in Marine Electronics from Top Companies like Raymarine, Lowrance, Simrad, B&G, Furuno and Si-Tex. From Standalone Radars, Fishfinders and GPS Chartplotters to fully networked Multifunction Display (MFD) Systems, Defender offers it all at the best prices.

Boat GPS & Marine Navigation - Marine Chartplotters & Fish Finders For Sale

Upgrade your fishing prowess with a fishfinder and marine GPS from Defender.com.
If you been going about fishing the old school way, it's time to invest in these essential fishing tools that make a day a fishing a good haul everytime.
Fortunately, at Defender, we have the quality fishing equipment that will help you haul in the big one!

Electronic GOS and Marine Navigaton Gear at Defender

Fishfinders are sometimes referred to as 'sounders'.
Just like sonar, they send out pulses of sound energy and detect the reflected pulses.
Only, instead of just reflecting off of hard surfaces, a fishfinder's pulses reflect off... fish!
They'll also locate underground structures, plants, and other places those fish like to hide, too.
Marine GPS is used much like your car's GPS system.
However, it's a much more sophisticated device that provides way more information.
After all, your car's GPS doesn't normally navigate through many different depths of streets each with its own layers of obstacles!
Choosing a marine navigation system with GPS & chartplotter will help you navigate even complex bottoms with added peace of mind.
Boat GPS and marine navigation systems don't take the place of regular nautical charts, but they do act as a fantastic supplements during any voyage!

Fishfinders for sale at Defender

We carry quality fishfinders from Furuno, Lowrance, and Norcross.

Are you looking for a standalone fishfinder, or would you prefer a multi-function unit? We carry both so you can get just the unit you want!

We even have network multifunction displays with built-in fishfinders.

We have marine GPS for sale, too!

Furuno and SI-TEX are top marine GPS makers and we carry products from both of them.

SI-TEX combines GPS with marine fishfinders and chartplotters for enhanced safety while out on that fishing trip. Our marine chartplotters for sale

We carry SI-TEX marine chartplotters with internal and/or external GPS antennas.

They each also come with a North American chart card to get you off to a great start.

Why get your fishing electronics at Defender?

The answer is simple.
Defender is the go-to source for your marine outfitting needs.
We carry one of the largest inventories of nautical equipment and supplies at the best prices around.
We value our customers and always make sure to help you find the best product for your boat.
We invite you to experience the Defender advantage for yourself and reap the benefits on your next fishing trip! Call us today!