Compare marine GPS chartplotters by brand, screen size and price, then check the features that matter for your boat: chart coverage, control type, built-in sonar, transducer support, NMEA networking, radar integration and autopilot compatibility. A chartplotter can become the center of a connected navigation system, but the correct display depends on your helm space, boating area and existing electronics.
How to choose a marine chartplotter
- Screen size: Match the display to your viewing distance and available dash space.
- Charts: Confirm the included chart region and supported chart families before ordering.
- Sonar: Decide whether you need built-in sonar and verify the exact transducer connection, frequency and adapter requirements.
- Networking: Check NMEA 2000, NMEA 0183, Ethernet and Wi-Fi needs for engines, sensors and other displays.
- Expansion: Verify compatibility before adding radar, AIS, autopilot or sonar modules.
Plan the complete system
The display alone may not include every cable, chart, mount, transducer or network component required for your installation. Review each product page for box contents and documentation, and use MarineWaze compatibility help when you are matching new equipment to an existing boat system.