Top 5 Best Marine GPS Units In 2021 Reviews

For all those people out there who love hitting the sea for their adventures and different sports activities, a marine GPS unit and Chart-plotter is a must to have. It does not only help ensure your safety but also assist you in many other ways. You can keep track of your activities and set different benchmarks.

These systems are also becoming very popular among fishermen because some of them come with fish-finder features. With the help of maps, you can widen your area of marine adventures. These GPS and chat-plotters are not only used by marine enthusiasts but also by the marine and naval security forces and sea-life professionals.

These global positioning systems come in different types and models offering a range of different features. If you are to buy them for the first time, then it could be really confusing to choose a GPS and chart-plotter that will perfectly synchronize with your marine activities and help you with that,

We are going to review top 10 best marine GPS units and chart-plotters in 2021 in this article that will help you decide which piece of equipment you must have to accompany yourself at your amazing journey or trip. Let us start with listing them down first.

The Selection of Top 5 Best Marine GPS Units In 2021 Reviews

Garmin GPSMAP 78 2.6-Inch Marine GPS Navigator and Worldwide Chartplotter

Top 5 Best Marine GPS Units Reviews

Top 5 Best Marine GPS Units In 2021 Reviews

One of the affordable GPS navigators among the best available in the market. It offers high-sensitivity receiver, crisp color mapping, molded rubber side grips and a microSD card slot for adding extra maps.

This navigator is made to be completely water resistant to withstand accidental dunks and splash of water and it is designed to float on water. It features built-in worldwide base-map and a map storage of 1.7GB which you can obviously enhance with microSD card.

It also supports BirdsEye satellite imagery for you to download satellite images to your phone.  This navigator works perfectly and makes sure it keeps track of your location quickly and precisely even in deep covers. You can use it literally anywhere. It connects with your internet and computer with ease and you can have a detailed analysis of your activities.


You can also explore other routes uploaded by many of the other Garmin users and share your own experiences on your social media.

Major Features:
  • 7GB built-in memory
  • 160 X 240 pixels of display resolution
  • 20 hours of battery timing
  • Water resistant and floats on water

Simrad GO7 XSE Chartplotter Fishfinder -TotalScan Transom Mount Transducer

Top 5 Best Marine GPS Units Reviews

Top 5 Best Marine GPS Units In 2021 Reviews

This has to be one of the best rated marine GPS and chart-plotter available in the market. The price might seem high but is no way a deal breaker. This device gives value to your money and makes sure you will never have to worry about anything related to marine GPS.

It offers a multi-touch display and is as easy to use as any of your smart devices. Simple home screen and menu selection makes everything easily accessible. Now, you can create or select different waypoints and tap/drag to pan smoothly across charts.

This navigator is a full featured chart-plotter which lets you confidently navigate near and far with the flexibility to choose charts that best fit your needs and location. Simple waypoint management makes it very easy to set and record your destinations.

Major Features:
  • Best for power boating, fishing and water sports
  • Lifetime tech customer support
  • 60 day return

Simrad Go7 Xse Chartplotter With Med-High-Downscan-Marine GPS Units

Top 5 Best Marine GPS Units Reviews

Top 5 Best Marine GPS Units In 2021 Reviews

Another product of Simrad rated almost perfect by the customers is a big deal to have it along your side when you get ready to roll some waters. It has everything you would want to need. It is highly easy to operate and supports Bluetooth and Wi-Fi.

The big multi-touch screen features easy accessing to all features with convenient menu layouts. You will feel as if you are using one of your smart devices. It features complete chart-plotter navigation and waypoint management.


You can now choose different charts that fit best to your needs and location. Tis device is fully customable to suit your on-water activities. You can also personalize the home screen with different shortcuts and wallpapers. Also offers adjustable split-screen views.

Major Features:
  • 60 day return policy
  • Lifetime technical support
  • Complete chart-plotter navigation and waypoint management

Garmin echoMAP CHIRP 43dv with transducer-Marine GPS Units

Top 5 Best Marine GPS Units Reviews

Top 5 Best Marine GPS Units In 2021 Reviews

Looking for the best marine navigator system at a reasonable price? This might be it. This navigator unit has been rated high by the customers and it has everything you might ask for. It has a 4.3 inch color display screen with easy keypad control.

It comes with a free QuickDraw Contours software where you can make customized HD maps. It uses chirp sonar technology which is one of the most sophisticated sonar technologies giving you the best scanning. It has several preloaded HD maps.

Major Features:
  • Easy to use
  • Chirp sonar technology
  • Built-in maps and charts
  • Clearest scanning sonar on the water

Garmin GPSMAP 78sc Waterproof Marine GPS Units and Chartplotter

Top 5 Best Marine GPS Units Reviews

Top 5 Best Marine GPS Units In 2021 Reviews

Another highly efficient Garmin navigator that features 2.6 inches LCD color display with built-in base-map and high sensitively GPS receiver. This navigator system takes your marine adventures to a whole new level. It is available in 3 different models with slightly different features. It is waterproof and has a SD memory car slot.

Major Features:
  • Perfect for boating and water sports
  • Easy sharing with other compatible devices

Top 5 Best Marine GPS Units In 2021 Reviews