Garmin GPSMAP 78S Marine GPS Navigator Review

Garmin GPSMAP 78S Marine GPS Navigator Review

In this article, we will learn more about the GPS marine system and its importance in Garmin GPSMAP 78S Marine GPS Navigator Review. Marine GPS turns out to be intimate to many mariners. This marine GPS navigation can be used to help you get back to the coast if you are lost in unidentified waters, find the way in the night locate big fish, or keep away from the wreckage. All this depends on the individual.

In the last century, many boaters were not equipped with these navigation systems. They had to trace their way out by using the then-available methods of consulting star charts, using longitudes and latitude lines to find out their way. These various tracking and navigation systems were time-consuming and inaccurate. With the evolution of science and technology, several satellites were launched into space, and with this, the GPS navigation systems were developed.

These systems work by sending signals of longitudes and latitudes to locate where exactly a particular object is located on the earth’s surface. This technology has today greatly helped in the development of fishing sonar and the Marine GPS and has greatly improved the fishing sector.

Garmin GPSMAP 78S Marine GPS Navigator

Garmin GPSMAP 78S Marine GPS Navigator

World Wide Chartplotter (010-00864-01)

  • 2.6-inch 1.43 x 2.15-inch TFT LCD 2.6-inch diagonal
  • Embossed base map shaded worldwide; microSD card slot for mapping optional
  • ​3-axis compass and barometric altimeter
  • Floating, floating –
  • ​Built-in 3-axis electronic compass; barometric altimeter –
  • ​1.7 MB built-in memory

Why Use Marine GPS Navigation Systems? I will simply answer this question by saying that marine GPS is very precise and less irritating than the preceding methods that were used to discover the place where you find yourself be it in a wide sea or any body of water. Again it is genuine for security. It doesn’t only maintain your safety but also you can escape from a tropical tempest at the sea exchange routes for whatever cause.

The Future of Marine GPS:

The marine GPS systems maintain their stylishness and come in handheld models, right up to the marine GPS navigation PC You can find a marine GPS that can do whatever you want it to do when it comes to direction finding, the geography of far-off water bodies or take it to camp with you if it is a transportable marine GPS. Several yachts and cruisers use it to navigate

Garmin GPSMAP 78S Marine GPS Navigator pros and cons


  1. Rugged Design: The Garmin GPSMAP 78S is built to withstand the harsh marine environment. It’s waterproof and floats, making it ideal for use on boats and in wet conditions.

  2. High-Resolution Display: The 2.6-inch color display is easy to read even in bright sunlight. It provides clear maps and data, ensuring you can navigate with ease.

  3. Highly Accurate: The GPSMAP 78S utilizes both GPS and GLONASS satellite systems, providing quick and precise positioning, even in challenging environments.

  4. Mapping and Charts: It comes preloaded with a worldwide base map, and you can easily add marine charts, greatly aiding navigation in coastal and offshore waters.

  5. Wireless Data Transfer: You can share waypoints, tracks, routes, and geocaches wirelessly with compatible devices, which is convenient for collaborating with others.

  6. Long Battery Life: The device can run for up to 20 hours on two AA batteries, which is excellent for extended trips.

  7. Geocaching Features: The GPSMAP 78S supports geocaching, making it a versatile device for outdoor enthusiasts.

  8. Electronic Compass and Barometric Altimeter: These features enhance your navigation capabilities, especially in challenging terrain or weather conditions.



  1. Limited Internal Memory: The device has limited built-in memory for additional maps or data. You may need to use a microSD card for extra storage.

  2. No Touchscreen: Some users may prefer a touchscreen interface, but the GPSMAP 78S relies on physical buttons.

  3. Small Screen: While the screen is high resolution, it’s relatively small compared to some other marine GPS units.

  4. Not NMEA-Compatible: It lacks NMEA connectivity, which might be a drawback if you need to connect it to other marine electronics.

  5. Price: Compared to basic marine GPS units, the GPSMAP 78S is relatively more expensive.

Best Review on Garmin GPSMAP 276Cx GPS Receiver – Recommendation On Buying a Marine GPS:

Before making up your mind about getting a marine GPS, you need to be sure about the kind you will be using. simply put you have to be sure about issues like whether it is for adventure or fishing in order to determine the kind of GPS you will require and its function. because if you are in search of a fish finder, you do not need a GPS that is costly with bells and whistles. The marine GPS with bells and whistles is advantageous to Commercial fishermen as it will help them catch fish and get back to shore easily whereas a normal fisherman will not need all these items.

Garmin GPS map 78s marine GPS  has become almost an essential requirement for all water navigation, and a Marine GPS unit is easy to find with retailers, especially online with unlimited choices. More and more manufacturers have gotten into the Marine GPS system, you can see that even cell phones process GPS Today. It all depends on the function of the GPS and what you would like to use it for when it concerns Marine GPS.

Garmin GPSMAP 78S Marine GPS

The Garmin GPSMAP 78S is an affordable marine GPS with some cool features that make it stand out from the crowd. If you are looking for a quality, reliable, and affordable marine GPS that can navigate both land and sea, the Garmin GPSMAP 78S is a good option.


FAQ On Garmin GPSMAP 78S Review

  • How to use Garmin GPS 78s

The Garmin GPS 78s is the perfect device to use while you’re on a trek in the mountains. It is lightweight, with a battery life of up to 20 hours and it has a variety of features that will make your time exploring the outdoors more enjoyable.

The Garmin GPS 78s was developed for hikers and bikers who want to track their progress through interesting locations. The device is equipped with a barometric altimeter, digital compass, and map updates that automatically update when you download new maps from Garmin’s website.


Read More: How Many Satellites Make Up the GPS?