GPSMAP 1243xsv Sonar Capable + 18HD3 Radome

Get a sharper view from a connected helm

This advanced GPSMAP chartplotter series pairs fast processing with a sleek, edge-to-edge glass design and an upgraded IPS display. Available in 7, 9, 12, and 16-inch sizes, it fits cleanly into a wide range of helm layouts while delivering smooth, responsive navigation.

Advanced sonar and live viewing support

Built-in Ultra High-Definition SideVü and ClearVü scanning sonar on select models provides crisp, high-contrast views to help separate fish from structure. Support for 1 kW traditional sonar and compatibility with Panoptix and LiveScope systems bring real-time underwater activity into clear focus.

Powerful mapping and system integration

Navigate confidently with preloaded Garmin Navionics+ coastal and inland mapping on select models, featuring Auto Guidance+ and daily downloadable updates. Extensive connectivity supports engines, radar, sailing instruments, trolling motors, and third-party systems through Garmin Marine Network, NMEA networks, and OneHelm integrations.

• High-resolution IPS displays with excellent sunlight readability
• Ultra High-Definition SideVü and ClearVü scanning sonar on select models
• Supports 1 kW traditional sonar and Panoptix or LiveScope live sonar
• Preloaded Garmin Navionics+ mapping with Auto Guidance+ on select models
• Optional Navionics Vision+ premium chart upgrades available
• Optional GMR 18 HD3 radar bundle for traffic and weather awareness
• Garmin SailAssist features and sailing polars support
• Garmin Marine Network, NMEA 2000 and NMEA 0183 connectivity
• ActiveCaptain app support with built-in Wi-Fi
• Integration with compatible engines, Force trolling motors, and Power-Pole systems