Marine Electronics

Marine electronics are the eyes, ears and memory of a boat. From a compact depth sounder on a small fishing skiff to a fully networked helm with radar, sonar and autopilot, these systems help boaters know where they are, what is around them and what lies beneath the hull. Choosing and installing the right gear is one of the most important decisions in outfitting a vessel for safe, confident time on the water.

What Counts as Marine Electronics?

The category covers a wide range of navigation and awareness equipment. A chartplotter pairs GPS positioning with digital nautical charts so the operator can track the vessel's location, plan routes and monitor movement in real time. Many units also connect to radar, sonar and onboard sensors. Other common products include:

• Multifunction displays that combine charts, radar, sonar and engine data on one screen
• Radar scanners, available as compact radomes or higher-performance open arrays
• Depth sounders and fish finders for reading bottom contour and locating fish
• Autopilots and instrument displays for steering and monitoring performance
• Mounts, cable seals and power accessories that keep installations clean and watertight

Key Considerations When Shopping

Start with how you use your boat. Offshore cruisers and sailors usually want integrated charting, radar and autopilot, while anglers on small boats, kayaks or paddleboards may only need a reliable depth and fish readout. Network compatibility matters just as much as features. Look for support for standards such as NMEA 2000 or NMEA 0183, and remember that radar scanners generally work best with displays from the same manufacturer or a compatible ecosystem. Screen size, sunlight readability, transducer type and mounting location should also be considered before you buy.

Installation quality is easy to overlook but affects longevity. Saltwater, vibration and moisture are hard on connectors and cables, so proper mounting hardware and waterproof cable entry points are as important as the electronics themselves.

Top Brands in Marine Electronics

Raymarine is the anchor brand of this category, with a product range that spans chartplotters, radar, CHIRP sonar, autopilots and navigation instruments. Its Axiom multifunction displays run the LightHouse operating system, and its devices communicate over the SeaTalkng network while remaining compatible with NMEA 2000 and NMEA 0183, making it easy to build a connected helm.

Simrad is part of the Navico family of marine electronics brands, whose radars are generally interoperable with displays from related brands. It is a familiar name for boaters building out a navigation and sonar package.

Hawkeye Electronics focuses on simple depth sounders and fish finders, including handheld, boat-mount and portable models. This approach suits small boats, kayaks and anglers who want straightforward depth and fish information without a complex system.

Scanstrut specializes in the installation side of marine electronics, making radar mounts, waterproof cable seals and marine-grade charging solutions. Products like these help protect wiring and keep equipment securely positioned in harsh conditions.

Build a System That Works Together

The best marine electronics setups are planned as a whole. Pairing a capable display with compatible sensors, a suitable radar and quality mounting and sealing hardware gives you dependable information and fewer headaches over the long term. Browse the brands above to match equipment to your vessel, your waters and the way you boat.