The 10 Best Marine GPS | Boating Buying Guides and Review

This review has been updated 27 times since it was first published in June of 2015. Don’t take your boat out on any serious excursion without a chartplotter qualified for the job. Many newer models support automatic waypoint generation and connect with extremely advanced sonar, GPS, and even GLONASS networks to keep you safe and monitor your ship’s systems. These make marine navigation so easy, you’ll never have trouble finding that favorite dive spot or fishing hole again. When users buy our independently chosen editorial choices, we may earn commissions to help fund the review.

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Top 10 Marine GPS

10. Garmin Striker 4

At just a hair over $100, the Garmin Striker 4 is about the cheapest reliable model you can find. The level of information conveyed on the screen is extensive, and includes water depth, temperature, the speed of your vessel, and more.

9. Garmin 78S

If you don’t need any fancy bells and whistles and simply want something that can keep you on track during short trips, the handheld Garmin 78S is a decent choice. It runs on easy-to-find AA batteries and will float if accidentally dropped in the water.

8. Lowrance Hook2-7

Anglers will appreciate the auto-tuning sonar on the Lowrance Hook2-7, which allows you to see potential catches below you more clearly, while requiring less manual tweaks. It is smartly designed with one-touch access to many important features.

7. Raymarine Axiom 7

The Raymarine Axiom 7 is equipped with a quad-core processor that allows you to switch between different modes and plot your course with almost no lag. Its included transom mount has a gyrostabilizer that reduces interference from the vessel’s rocking.

6. Garmin Echomap Plus 74Cv

The Garmin Echomap Plus 74Cv is well-priced for a model with a bright touchscreen, the ability to instantly create depth contour maps, and autopilot support. It produces near-photographic-quality images of underwater, objects and is preloaded with BlueChart g2 charts.

5. Simrad Go7 XSE

The Simrad Go7 XSE offers a beautiful and responsive touchscreen that supports routing via both Navionics and Jeppesen, and which can be used to control a connected sound system, too. It can store a massive 10,000 waypoints for future reference.

4. Garmin Striker 7sv

Advanced sonar capabilities allow the Garmin Striker 7sv to provide a clear, highly detailed image. It includes the company’s Quickdraw Contours mapping software, which lets you create and store your own maps for over two million acres of ocean or lake floor.

3. Garmin 1040xs

The Garmin 1040xs features a large, high-contrast, 10-inch display that is easy to see, even in bright conditions, and it is wide enough to comfortably view two different charts simultaneously when using its split-screen mode.

2. Humminbird Helix 5 G2

The Humminbird Helix 5 G2 is a wallet-friendly option with a vibrant five-inch display. It is equipped with both CHIRP and imaging sonar to reveal the slightest contours in the ocean bottom, and comes programmed with maps for U.S. coastal areas and inland lakes.

1. Lowrance HDS Live

The Lowrance HDS Live automatically plots the shortest, safest route based on your boat’s draft, beam, and height. This can help you save travel time and avoid potential hazards, like a low bridge you might not fit under or shallow areas on which you could run aground.

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