Boating Equipment & Navigation ≫ Marine Navigation Instruments

Marine GPS navigation systems

Our selection of the 7 best marine GPS navigation systems (June 2026)

Simrad GO Chartplotter & Fish Finder (Preloaded C-MAP, 83/200 XDCR, Radar option)

★★★★★ ★★★★★ 8.5/10

Humminbird XPLORE 12-inch GPS Fish Finder

★★★★★ ★★★★★ 8.5/10

Garmin GPSMAP 79s Marine Handheld GPS

★★★★★ ★★★★★ 8.4/10

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🏆 Best choice

Simrad GO Chartplotter and Fish Finder, with Transducer and Radar Options, Preloaded C-MAP DISCOVER Chart Card 9" MFD + 83/200 XDCR

Simrad GO Chartplotter & Fish Finder (Preloaded C-MAP, 83/200 XDCR, Radar option)

★★★★★ ★★★★★ 8.5 /10

+ Bright 9" touchscreen with an interface that’s easy to learn and use

+ Includes basic 83/200 kHz transducer and C-MAP Discover charts for US/Bahamas, so you’re usable out of the box

+ NMEA 2000 and radar-ready, with Wi-Fi for updates and screen mirroring

Humminbird XPLORE Series GPS Fish Finder MEGA Side Imaging+ & HD Touchscreen Display Transducer Included) 12-Inch Display

Humminbird XPLORE 12-inch GPS Fish Finder

★★★★★ ★★★★★ 8.5 /10

Garmin GPSMAP 79s, Marine GPS Handheld with Worldwide Basemap, Rugged Design and Floats in Water

Garmin GPSMAP 79s Marine Handheld GPS

★★★★★ ★★★★★ 8.4 /10

See full comparison →

Boat compasses for navigation

Marine depth finders for boats

Marine fish finders for boats

Marine radar systems for boats