Garmin GPSMAP 8424 MFD With Worldwide Basemap

We have the Garmin GPSMAP 8424 MFD for sale engineered for serious anglers, cruisers, sailors, and competitive racers who demand cutting-edge marine navigation technology. This 24” marine display combines powerful multifunction capabilities with intuitive touchscreen controls and premium connectivity.

Equipped with a full HD IPS display, the GPSMAP 8424 offers ultra-wide viewing angles, superior sunlight readability—even with polarized sunglasses—and a seamless glass helm aesthetic. It’s preloaded with Garmin Navionics™ worldwide basemaps for inland and coastal navigation, and ready for upgrades to premium Garmin Navionics Vision™ mapping.

Whether you’re offshore fishing, sail racing, or navigating inland waterways, this feature-rich chartplotter delivers exceptional clarity, built-in sonar support, radar compatibility, and full integration with NMEA 2000®, Fusion audio, inReach®, digital switching, and much more.

Key Features

• 24” Full HD IPS Touchscreen
  Wide-angle, sunlight-readable display with 1920 x 1200 resolution for maximum visibility.

• Built-in Garmin Navionics™ Maps
  Worldwide basemap with detailed inland and coastal coverage; includes 1-year subscription for daily downloadable updates.

• SmartMode™ Station Controls
  One-touch access to networked sonar, radar, media, cameras, and more for high-stress situations like docking.

• Sonar Support (Transducer Sold Separately)
  Dual-Channel 1kW CHIRP, ClearVü, SideVü, and Panoptix™ LiveScope™ compatible via GSD™ and GCV™ black boxes.

• Live Sonar Compatibility
  Supports real-time sonar views around your vessel with Garmin’s LiveScope™ systems.

• Sailing & Racing Tools
  Includes laylines, enhanced wind rose, sailing polars, race start guidance, and more with SailAssist™.

• Garmin Marine Network Ready
  Seamless connectivity with radar, IP cameras, sonar, and other Garmin network devices.

• NMEA 2000® and 0183 Integration
  Connect to autopilot, digital switching, VHF, AIS, Fusion-Link™, weather, and more.

• Wi-Fi®, ANT®, and Bluetooth®
  Wireless integration with Garmin apps, marine wearables, wind sensors, and smart devices.

• ActiveCaptain® App Compatibility
  Plan routes, access OneChart™, receive smart notifications, software updates, and sync your mobile device.

• OneHelm™ Third-Party Integration
  Centralized control for digital switching systems like EmpirBus™ and others.

• Remote Control Options
  GRID™ 20 remote compatibility for full helm control from anywhere on the boat.

Garmin GPSMAP 8424 MFD Specifications

General:

• Dimensions: 22.8″ x 16.1″ x 2.8″ (60.0 x 41.0 x 7.1 cm)

• Display Size: 24.0″ diagonal (20.4″ x 12.8″)

• Display Resolution: 1920 x 1200 pixels

• Display Type: FHD IPS

• Weight: 18.95 lbs (8.60 kg)

• Waterproof Rating: IPX7

• Mounting: Flush or flat

Maps & Memory:

• Preloaded Maps: Garmin Navionics™

• Optional Maps: Garmin Navionics Vision™, BlueChart® g3, LakeVü™ g3 Ultra, Quickdraw™, Raster, TOPO

• Waypoints: 5,000

• Tracks: 50 saved tracks, 50,000 points

• Routes: 100

• Data Card Slots: 2 SD (via Garmin SD reader)

Networking:

• Garmin Marine Network Ports: 4

• NMEA 2000® Ports: 1

• NMEA 0183 Ports (IN/OUT): 4 IN, 2 TX

• J1939 Port: 1

• Video In: 1 BNC composite, 1 HDMI (HDCP)

• Video Out: 1 HDMI

• USB Ports: Yes

• Bluetooth® and ANT®: Yes

• Wi-Fi: Yes (local Garmin network)

Electrical:

• Input Voltage: 10–35 VDC

• Typical Draw (12V): 6.1A

• Max Draw (12V): 7.6A

• Max Power Usage: 87W

What’s in the Box

• Garmin GPSMAP 8424

• Trim piece snap covers

• GPS 24xd NMEA 2000 with mounting adapters

• Protective cover

• Flush mount hardware

• Power cable

• NMEA 2000 2m drop cable

• NMEA 2000 6m backbone cable

• NMEA 2000 power cable

• T-connector & terminators

• Documentation

Benefits

• Maximized Visibility: Crisp HD display optimized for all weather and lighting conditions

• Superior Integration: Seamlessly combines sonar, radar, cameras, and more into a single touchscreen

• Advanced Mapping: Garmin Navionics™ with optional Vision™ upgrades for unbeatable coverage

• Expandable System: Perfect for any vessel size — from recreational boats to large yachts

• Effortless Control: SmartMode and OneHelm simplify high-pressure situations and third-party device management

• Future-Proof Connectivity: ANT, Wi-Fi, Bluetooth, and NMEA compatibility ensure long-term scalability

FAQs

Q: Does the Garmin GPSMAP 8424 come with sonar?
A: It supports traditional CHIRP, ClearVü, SideVü, and Panoptix sonar, but transducers and black boxes are sold separately.

Q: Can I upgrade the maps later?
A: Yes. The unit is compatible with Garmin Navionics Vision™ for high-resolution relief shading, satellite overlays, and more.

Q: Can I control the unit remotely?
A: Yes, it’s compatible with the GRID™ 20 remote input device and the ActiveCaptain® mobile app.

Q: Is this model suitable for sail racing?
A: Absolutely. It includes Garmin SailAssist™ features like sailing polars, laylines, wind data, and race start guidance.

Q: How many devices can I connect to the Garmin Marine Network?
A: With 4 network ports, you can integrate sonar, radar, IP cameras, and more, depending on your boat setup.