Best Marine GPS Fishfinder Combo – Our Top 4 Picks

A marine GPS fishfinder is an excellent tool to have when out on the water. They conveniently connect to satellites to show you where you are, where you want to go, and the best fishing spots.

Among all the fishfinders in the market, seven of them stood out to us for their convenience, quality, features, ease of use, and design.

Best Marine GPS Fishfinder Combo – Our top 4 picks:

  1. Humminbird HELIX 5 DI Sonar/GPS Combo – Click here to see it on AmazonOur #1 Top Pick!
  2. Simrad GO9 XSE Chartplotter TotalScan Transducer – Click here to see it on Amazon
  3. Garmin Striker 4 GPS Fish Finder
  4. Lowrance Mark-4 CHIRP

Any of these GPS fishfinder units will make your life easier and your trip more enjoyable. Some have additional features like WiFi or Ethernet connection to guide you. Some are simpler and easier to use, without all the bells and whistles.

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Read on to learn more about the best marine GPS fishfinder combo units, including the features and specs for each.

Also, for an excellent GPS Fishfinder, take a look at our top pick, the Humminbird 411660-1 Helix 5 Chirp GPS G3 Fish Finder:

Click here to see it on Amazon.

Best Marine GPS Fishfinder Combo – Our Top 4 Picks

1. Humminbird 411660-1 Helix 5 Chirp GPS G3 Fish Finder

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The Humminbird 411660-1 Helix 5 Chirp GPS G3 Fish Finder boasts a 5″ widescreen display, offering a clear view of underwater terrain and points of interest.

Equipped with CHIRP Digital Sonar, GPS mapping, AutoChart Live, Humminbird Basemap, DualBeam PLUS, and SwitchFire technologies, this fish finder provides advanced features for anglers.

The SwitchFire Sonar allows users to customize sonar returns, adjusting for water depth, temperature, and turbulence with the push of a button. The DualBeam PLUS Sonar combines two beams for detailed fish, structure, and contour identification.

With the built-in Humminbird Basemap, users gain access to charts for over 10,000 lakes and coastal coverage for the U.S., enhancing fishing and navigation confidence.

The Helix 5 Chirp GPS G3 Fish Finder is a comprehensive tool for anglers seeking advanced sonar capabilities and mapping functions.

2. Simrad GO9 XSE Chartplotter TotalScan Transducer – Most Customizable

The Simrad G09 XSE is your best bet if you value personalization above all. Outside, you can tweak it to be usable for any kind of water activity. And at the same time, internally, the home screen is customizable with shortcuts and wallpapers.

Click here to see it on Amazon.

Additionally, its sonar allows you to view crisp images of what’s within the body of water. So you will easily find schools of fish without much worry or hassle. The images you receive are real-time, too.

This device supports Insight Genesis, NY Digital Charts, and C-Map Max-N. Alongside that, it boasts of a page where you can view and chart your trip. This is where navigation data and charts are merged to note down whatever information you want or make plots and plans.

Lastly, it features NMEA 2000 connectivity, which shows you your engine data, fuel levels, heading, and other statistics within the device itself.


  • Customizable
  • Dual Micro SD Card Slot
  • NMEA 2000 Connectivity
  • Chart plotter

3. Garmin Striker 4 – Best Budget Marine GPS Fish Finder

The Garmin Striker 4 GPS Fishfinder is the best marine GPS fish finder for those who need a way to navigate the seas and find fish but have a limited budget. This Garmin fishfinder covers every feature you’d need without getting you bankrupt.

Click here to see it on Amazon.

It has an LED screen of 3.5 inches with an HVGA-color display and 480 x 320 pixels. This screen produces clear images and is just the right size for most users to use and store conveniently. Additionally, it is also backlight-enabled and promotes the simultaneous use of two panels or apps. And to top it off, the screen size means this device is compact while its backlight allows you to see its display clearly, even under direct sunlight.

Speaking of clear images, this fishfinder’s in-built sonar technology gives you vibrant images of the sea. It sends frequencies continuously and then supplies you with distinct interpretations of them once the frequencies echo back. This is what enables you to see where the fish are.

Moreover, this device can give you your sonar images history. This is great if you want to mark previous locations or look back at where you’ve been. In relation to this, you can also mark specific locations at sea if you want to return there. Likewise, Striker 4 can be used to guide you back.

However, the best part is this: this affordable marine GPS fishfinder combo features a communication interface, which means you can share waypoints and fishing hot spots with anyone. Whether you want to do that to bond with them or show off your skills, it’s up to you.

On the other hand, it does not come with Ethernet connectivity, but it is IPX7-waterproof and boasts a QuickDraw Contour Software, where you can create and save up to 2 million acres of custom HD fishing maps.

Lastly, it comes with a complete set of mounting structures, a CHIRP (77/200) transducer, a decent power rating usable at a maximum of 1,600 feet in freshwater and 750 feet in saltwater, and a sealed rechargeable battery.

It also monitors your traveling speed and tells you whether or not that would be good or bad for the type of fish you’re hunting.


  • Cheap
  • Has a backlight
  • Features inbuilt sonar technology
  • 3.5 inches LED with HVGA-color display & 480×320 pixels
  • Stores sonar images history
  • Boasts a communication interface
  • QuickDraw Contour Software
  • Comes with a complete set of mounting structures
  • Monitors your traveling speed

4. Lowrance Mark-4 CHIRP – Ideal for Beginners

This product is the best marine GPS fishfinder combo for those just starting out. It is minimalistic – meaning, it won’t confuse you with features or designs you won’t need as a beginner – yet it comes portable and powerful.

Click here to see it on Amazon.

It boasts base maps that show you over 3,000 bodies of water of up to 1,000 feet. Consequently, it can remember up to 100 routes and 3,000 waypoints for you. Usually, that would already be useful for a lot of people. But if you want more, you can also upgrade this device with premium charts using a microSD card.

However, take note that the Lowrance Mark-4 CHIRP is very minimal. That means the display you get may be basic and not as detailed. On the other hand, a monochrome and LED-backlit grayscale display that supports a three-panel split-screen view allows you to read with ease even under the sun’s harsh light.

The backlight can go for 11 levels, while the grayscale goes for 16, and the pixel display is 480×272. Additionally, CHIRP sonar technology means it can differentiate fish from the bait.

Lastly, this fish finder combo comes with an NMEA 0183 port and an attachable tilt-and-swivel mount.


  • Ideal for beginners
  • Minimalistic
  • 3-panel split-screen view
  • Basemaps
  • NMEA 0183 port

Conclusion – Best Marine GPS Fishfinder Combo

So what is the best Marine GPS Fishfinder Combo? Our top 4 picks are as follows:

  1. Humminbird HELIX 5 DI Sonar/GPS Combo – Click here to see it on AmazonOur #1 Top Pick!
  2. Simrad GO9 XSE Chartplotter TotalScan Transducer – Click here to see it on Amazon
  3. Garmin Striker 4 GPS Fish Finder
  4. Lowrance Mark-4 CHIRP

Any of the marine GPS fishfinder units you choose on our list will make your boating and fishing trips much more enjoyable!

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