Garmin GPSMAP 923

Garmin GPSMAP 923 - GET A SHARPER VIEW FROM YOUR CONNECTED HELM - With 50% more display pixels and nearly double the processing power of previous-generation 9" GPSMAP devices, this crisp touchscreen chartplotter with high-resolution IPS display integrates seamlessly into your Garmin marine system.

GPSMAP 923 is one of the best chartplotters on the market for boating and sailing. The display is stunningly bright and sharp, the software is Garmin's best, and the versatile features help you move on the water efficiently and safely. This model does not have a dedicated sonar port, but you can connect a Garmin LiveScope System transducer bundle to the display via the Ethernet network and get live sonar in use. You can also network it with a GPSMAP display that has a transducer connected.

Garmin GPSMAP 923 main features:

• Easily integrate with more engines. 
• Connect to compatible third-party devices with OneHelm digital switching. 
• Easily build your marine system using the best of network connectivity. 
• Compatible with premium maps and charts for the best in Garmin navigation. 
• Take the guesswork out of sailing with clear laylines and more - right on the screen. 
• Manage your marine experience from nearly anywhere 

• FASTER, SHARPER, SMARTER
  With its added processing power and new slimline design featuring edge-to-edge glass and a smaller unit footprint, it's easy to retrofit this 9" plotter in a wider range of dash configurations. 
• IMPROVED DISPLAY OPTICS
  New higher-resolution 9" displays offer improved sunlight readability and visibility from any angle, with 50% more pixels than previous-generation 9" GPSMAP devices. 
• GARMIN SAILASSIST SAILING FEATURES
  View laylines, race start line guidance, enhanced wind rose, heading and course-over-ground lines, true wind data fields and tide/current/time slider, wind angle, set and drift, wind speed and more 
• OPTIONAL BLUECHART G3 VISION CHARTS
  These optional charts offer the best of Garmin and Navionics data, Auto Guidance4 technology and other premium navigation features. 
• GARMIN MARINE NETWORK
  If you have multiple compatible Garmin devices on your boat, you can share information - such as maps, user data, radar and IP camera video - among them. 
• NMEA 2000 AND NMEA 0183 NETWORKS
  Connect to compatible autopilots, digital switching, weather, Fusion-Link audio system, media, VHF, AIS and more from one screen. 
• ACTIVECAPTAIN APP
  Built-in Wi-Fi connectivity pairs with the free all-in-one mobile app for access to the OneChart feature, smart notifications, software updates, Garmin Helm digital switching, Garmin Quickdraw Community data and more 
• INTEGRATED ANT TECHNOLOGY
  Connect with some of your favorite devices, such as quatix marine watches, gWind Wireless transducers, GNX Wind marine instruments and wireless remote controls.
• ENGINE CONNECTIVITY
  Connect this chartplotter to different kinds of engines - including select Mercury and Yamaha models - to see RPMs, fuel flow, temperature, trim and other important information at a glance. You may need additional hardware, so be sure to check with your engine manufacturer. 
• ONEHELM FEATURE
  This exclusive feature brings together all the operations and capabilities of select third-party devices, such as EmpirBus digital switching, on one screen. 
• PANOPTIX SONAR SUPPORT
  Pair with Panoptix PS51 (transducer sold separately) with FrontVü scanning sonar6 to help you see and avoid submerged obstacles in real time as you approach within a 300' range.

Garmin GPSMAP 923 in the box:

• GPSMAP 923 chartplotter
• Preloaded microSD card
• Power cable
• NMEA 2000 T-connector
• NMEA 2000 drop cable (2 m)
• Bail mount kit and knobs
• Flush mount kit and gasket
• Protective cover
• Trim piece snap covers
• Documentation

Product text updated 26.9.2026.