What Are The Best Boat Navigation Systems in 2025

Compact, waterproof GPS navigation system with advanced sonar features.

The Garmin Striker Plus 4 system is an easy-to-use, high-sensitivity GPS that allows you to navigate and locate your marine adventures with ease. It features a bright, sunlight-readable 4.3” display and a vivid scanning sonar view, providing clear images of what lies beneath your boat. The built-in GPS lets you mark waypoints for different locations and provides a speed data display. It also has a rugged design, being IPX7 rated for water resistance.

3.5-inch color fishfinder with built-in, high-sensitivity GPS.

The Garmin Striker 4 is a versatile marine navigation system that offers more than just GPS. It comes with a high-frequency CHIRP sonar that provides near-photographic images of fish and structures beneath your boat. The device features a bright, sunlight-readable 3.5-inch color display and a rugged design. It also offers waypoint map navigation, allowing you to view, mark, and navigate to locations such as docks, ramps, and fishing spots.

4-inch, solarMAX display navigation system with phone-like menus.

The Lowrance HOOK2 4X is a fish finder designed with simplicity in mind. It features an easy-to-use, phone-like menu that provides one-touch access to all the features. The SolarMAX display ensures excellent visibility in all weather conditions. The device comes with a bullet skimmer transducer to give you a wider sonar coverage. The device is also quite portable and perfect for small fishing boats or kayaks.

5-inch color WVGA display navigation system with CHIRP DualBeam PLUS sonar.

The Humminbird HELIX 5 CHIRP GPS G2 is a fish finder with advanced navigation features. It has a 5-inch color WVGA display and features CHIRP DualBeam PLUS sonar for clear, well-defined fish arches and a clear view of the underwater structure. The built-in Anima cartography covers the contiguous coastline, inland lakes, and rivers at 30 meters per pixel resolution. It also has a micro SD card slot for optional maps or for saving waypoints.

2.6-inch color TFT display navigation system with a microSD card slot.

The Garmin GPSMAP 78sc is a waterproof marine GPS and chartplotter that's designed for professional use. It comes with built-in BlueChart g2 coastal charts and a 2.6-inch color TFT display. The device also features a microSD card slot for loading additional maps. It's equipped with a high-sensitivity GPS receiver, and it's waterproof to IPX7 standards, making it durable and reliable in all weather conditions.

3.5-inch fish finder with CHIRP sonar, GPS, and waypoint marking.

The Garmin Striker 4 with Transducer is a compact and efficient fish finder that is packed with features. It features a 3.5-inch color display and uses CHIRP (77/200 kHz) sonar transducer; upgrade to high performance CHIRP with a GT8 or GT15 transducer. The built-in high-sensitivity GPS lets you mark waypoints for different locations. So you can navigate back to your hot spots, boat ramps or docks. You can also share your favorite waypoints and routes with other STRIKER and echoMAP combos.

3.5-inch GPS fishfinder with CHIRP sonar

The Garmin Striker 4 is a 3.5-inch GPS fishfinder that features CHIRP sonar for clear, high-resolution images. It includes a Garmin CHIRP (77/200 kHz) transducer, which provides a visibly higher level of clarity and detail for fish and structure than traditional 77/200 kHz transducers. The built-in high-sensitivity GPS lets you mark and navigate to waypoints and shows your boat’s speed. It also offers a fish symbol ID that helps identify fish targets.

3.5-inch GPS fishfinder with transducer.

The Garmin Striker 4 is a GPS fishfinder that provides clear and sharp images of fish and structures. It includes a built-in, high-sensitivity GPS and a CHIRP sonar transducer that offers better separation and definition of images. It features a 3.5-inch color display and a rugged design that is built to withstand harsh marine environments. The device allows you to mark and return to your hot spots, docks, and ramps, and it also displays your boat's speed.

4.3-inch all-weather, high-definition LED backlit display navigation system.

The Raymarine Dragonfly Pro is a CHIRP fish finder with a high-definition LED backlit display. It offers photo-like sonar images and has a GPS with maps. This device uses superior CHIRP technology to generate crystal clear, photo-like sonar images. The Dragonfly Pro's GPS is also equipped with Navionics+, which provides detailed charts of more than 20,000 inland lakes and coastal waters. It's straightforward to use with intuitive controls and interface.

7-inch color LCD display navigation system with CHIRP-enabled Broadband Sounder.

The Simrad GO7 XSE is a multi-touch chartplotter and fishfinder with a 7-inch color LCD display. It comes with a CHIRP-enabled Broadband Sounder for superior fish detection and bottom tracking. The device also features built-in Wi-Fi for access to GoFree cloud services to download and update maps and software. It's also equipped with a 10 Hz GPS receiver and supports a wide range of navigation options.