Garmin GPSMAP 8612 Chartplotter GN+

Description

The Garmin GPSMAP 8612 is a 12-inch Full HD touchscreen chartplotter with Garmin Navionics+ charts, 1100-nit brightness, and network sonar support through GSD or GCV modules. NMEA 2000, NMEA 0183, J1939, two Marine Network ports, HDMI output, USB-C, WiFi, Bluetooth, and ANT+ provide a connected Garmin system in a smaller, easier-to-install display.

Key Features

• 12-inch Full HD IPS touchscreen – Provides a clear chart and navigation workspace for coastal and offshore boats.
• 1920 x 1080 resolution – Shows detailed charts and system information across the display.
• 1100-nit brightness – Provides the stated brightness for daylight helm viewing.
• Network sonar through GSD/GCV modules – Allows external sonar expansion without built-in sonar processing.
• NMEA 2000, NMEA 0183, J1939, two Marine Network, HDMI, and USB-C – Supports a broad Garmin marine system.

Who Is This For?

This model suits coastal fishing boats, cruisers, center consoles, and multi-display helms that need a Full HD Garmin chartplotter with Navionics+ charts. Its 12-inch size provides useful chart area without the installation demand of a 17- or 22-inch glass helm.

It is not ideal for buyers seeking an all-in-one fishfinder because sonar requires a GSD or GCV network module. A smaller ECHOMAP is easier to fit where helm space is tight.

Compatibility

Confirmed features include Garmin Navionics+ charts, network sonar through GSD/GCV modules, NMEA 2000, NMEA 0183, J1939, two Marine Network ports, HDMI output, USB-C, WiFi, Bluetooth, and ANT+. The supplied information does not identify radar models, autopilot, or third-party sonar compatibility. No named incompatible system was provided; verify Garmin module and network requirements before installation.

Technical Specifications

• Brand: Garmin
• Model: GPSMAP 8612, 010-02092-02
• Display: 12-inch IPS touchscreen
• Resolution: 1920 x 1080 Full HD
• Brightness: 1100 nits
• Sonar: Network sonar through GSD/GCV modules
• Preloaded charts: Garmin Navionics+
• Networking: Two Marine Network, HDMI output, USB-C, NMEA 2000, NMEA 0183, J1939
• Operating voltage: 10-32 VDC
• Warranty: 2-year standard warranty

Warranty & Support

Garmin provides a 2-year standard warranty. The supplied specifications do not state warranty exclusions or service procedures.

The GPSMAP 8612 is the practical Garmin chartplotter choice compared with the much larger 22- and 24-inch glass helm systems. It includes Navionics+ charts and broad network connections in a 12-inch display, but sonar requires external GSD or GCV hardware. Choose it for a connected mid-size helm rather than a self-contained fishfinder installation.