The Garmin GPSMAP 743 is a 7-inch touchscreen plotter designed for navigating U.S. and Canadian waters. It delivers crisp, fast charting and a scalable helm system that grows with your needs, straight out of the box.
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Display: 7.0" diagonal touchscreen with 1024 x 600 resolution on an edge-to-edge glass WSVGA panel for clear charts and easy readability in bright sunlight; compact footprint (7.6" x 5.5" x 2.9").
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Preloaded Maps: US and Canada Navionics+ coastal charts and inland mapping ready to go.
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10 Hz GNSS Receiver: GPS, GLONASS, and Galileo provide accurate position updates and smoother speed and course over ground.
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Auto Guidance+: planning tool that suggests viable passages and routes during trip planning.
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Navionics Vision+ Support: access premium map content for higher detail and broader coverage when needed.
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Expandable Marine System: J1939 engine connectivity and OneHelm for integration with compatible engines and third-party devices; supports Garmin Marine Network and NMEA 2000/0183 networks; expand with sonar, autopilots, radar, cameras, and multimedia.
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Connectivity & Smart Features: Wi‑Fi with ActiveCaptain for OneChart access, software updates, and smart notifications; integrated ANT for quatix watches, gWind transducer, GNX Wind, and wireless remotes.
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Memory & Storage: accepts 2 microSD cards; stores up to 5,000 waypoints, 50,000 track points, and 100 routes.
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Tide Tables: built-in tide information for coastal planning.
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Forward-Looking Sonar Compatibility: FrontVü forward-looking sonar (sold separately) helps spot obstructions ahead, especially at lower speeds.
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Networking & Compatibility: ready to pair with radar, cameras, autopilots, and other Garmin devices for a complete helm ecosystem.
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Power & Build: IPX7 water rating; compact enclosure; weight 2.8 lb; power up to 17.6 W at 10 Vdc (typical 1.1 A, max 1.5 A).
With its high-resolution display, fast 10 Hz GNSS updates, and Navionics+ maps already loaded, GPSMAP 743 helps you navigate confidently across the coastlines and inland waterways of the U.S. and Canada. The device is built to grow with your boat, offering seamless expansion options for radar, sonar, autopilots, cameras, and more, while Wi‑Fi and ActiveCaptain keep you connected for map updates and smart notifications. Built-in tide data, FrontVü compatibility, and robust data storage ensure you can plan journeys, log routes, and explore with ease and reliability on every voyage.
| General |
| PHYSICAL DIMENSIONS |
7.6" x 5.5" x 2.9" (19.2 x 14.0 x 7.4 cm) |
| DISPLAY SIZE |
6.1" x 3.5"; 7.0" diagonal (15.4 x 9.1 cm; 17.8 cm diagonal) |
| DISPLAY RESOLUTION |
1024 x 600 pixels |
| DISPLAY TYPE |
WSVGA display |
| WEIGHT |
2.8 lbs (1.3 kg) |
| WATER RATING |
IPX7 |
| POLARIZED SUPPORT |
Yes |
| POWER CONSUMPTION |
Max power usage at 10 Vdc: 17.6 W Typical current draw at 12 Vdc: 1.1 A Max current draw at 12 Vdc: 1.5 A
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| ANTENNA |
Internal or external over NMEA 2000 |
| MOUNTING OPTIONS |
Bail, flush or flat |
| RECEIVER |
10 Hz high-sensitivity |
| GARMIN MARINE NETWORK™ PORTS |
1 |
| Maps & Memory |
| PRELOADED MAPS |
US and Canada Garmin Navionics+™ coastal charts and inland mapping |
| ACCEPTS DATA CARDS |
2 microSD™ cards (back of unit) |
| WAYPOINTS |
5,000 |
| TRACK LOG |
50,000 points; 50 saved tracks |
| ROUTES |
100 |
| Outdoor Recreation |
| TIDE TABLES |
Yes |
| Chartplotter Features |
| GARMIN RADAR COMPATIBLE |
Yes |
| GARMIN SONAR COMPATIBLE |
Yes (with external black box, sold separately) |
| GARMIN SMARTMODE COMPATIBLE (CUSTOMIZABLE MONITOR PRESETS) |
Yes |
| SUPPORTS AIS (TRACKS TARGET SHIPS POSITION) |
Yes |
| SUPPORTS DSC (DISPLAYS POSITION DATA FROM DSC-CAPABLE VHF RADIO) |
Yes |
| SUPPORTS FUSION-LINK™ COMPATIBLE RADIOS |
Yes |
| GSD™ BLACK BOX SONAR SUPPORT |
Yes |
| GCV™ BLACK BOX SONAR SUPPORT |
Yes |
| ACTIVECAPTAIN COMPATIBLE |
Yes |
| GRID™ (GARMIN REMOTE INPUT DEVICE) COMPATIBLE |
Yes |
| WIRELESS REMOTE COMPATIBLE |
Yes |
| SAILING FEATURES |
Yes |
| Sonar Features & Specifications |
| CHIRP SONAR TECHNOLOGY |
Yes (with external black box, sold separately) |
| CLEARVü |
Yes (with external black box, sold separately) |
| SIDEVü |
Yes (with external black box, sold separately) |
| Connections |
| NMEA 2000® COMPATIBLE |
Yes |
| NMEA 0183 INPUT PORTS |
1 (Differential) |
| NMEA 0183 OUTPUT PORTS |
1 (Differential) |
| VIDEO INPUT PORTS |
1 BNC |
| WIRELESS CONNECTIVITY |
Yes |
| J1939 COMPATIBLE |
Yes |