Garmin GPSMAP 431S GPS Dual Beam Combo Review

Garmin is a company that is known for offering superior GPS products, so it’s little wonder that they are the makers of some of the best fishing electronics available. Their Garmin GPSMAP 431S GPS Dual Beam Combo is a perfect example of just why Garmin chartplotters are considered to be essential fishing gear by so many experienced anglers. With preloaded maps of all the U.S. Inland lakes and the ability to work with BlueChart cards for additional functionality, it’s easy to see why this model is one of the best selling chart plotters currently available.

Superior GPS Technology

The heart of the Garmin GPSMAP 431S GPS Dual Beam Combo is it amazingly powerful GPS technology. When you head out on the waters of the biggest lakes, you need reliable satellite connectivity to help guide your boat to the best fishing spots. That’s the kind of satellite technology that you can only get when you hook up the Garmin GPSMAP 431S GPS Dual Beam Combo to take along on all your fishing trips.


High Quality Visuals


A chartplotter can only be worth your attention when it gives you a crystal clear readout of all the essential tracking and plotting data that you need. The Garmin GPSMAP 431S GPS Dual Beam Combo makes it easy to see where you’re going and where you came from with its high resolution screen. This screen is a four inch model, so it allows you to see all the details you need, without taking up too much space. The display is in color with superior contrast, so you can see where you’re going – no matter what the lighting conditions are like.

Garmin GPSMAP 431S GPS Dual Beam Combo Features and Product Details

  • Garmin GPSMAP 431S GPS Dual Beam Combo
  • Internal Antenna
  • Resolution (VxH) = 240 x 320
  • Integrated satellite base map comes fully loaded and ready to go
  • Comes preloaded with U.S. Inland Lakes
  • The user interface is simple to use and very intuitive
  • Additional map sets can be purchased and loaded onto this model
  • Features a high-sensitivity GPS receiver
  • Also features Auto Guidance technology
  • One of the most compact Garmin chartplotters available today
  • It accepts BlueChart g2 Vision cards for additional functionality
  • Features an ultra-bright 4″ QVGA color display


Customer Reviews for the Garmin GPSMAP 431S GPS Dual Beam Combo


With reviews posted by over a dozen real life customers, the Garmin GPSMAP 431S GPS Dual Beam Combo has managed to maintain an average customer satisfaction score close to 4 stars. There were a few customers who mentioned having problems in certain areas, but this can happen with virtually any GPS system. The majority of the customer reviewers, though, had nothing but good things to say about this chartplotter, and since it sells for well under five hundred dollars, it may very well be the system that gives you the most chartplotting and GPS functionality in this price range.

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