The Garmin GPSMAP 1223 Chartplotter is a 12.1" IPS display powerhouse built for serious mariners who want bright, edge-to-edge charts and flexible dash integration. Retrofit-friendly and network-ready, it keeps your routes and data front and center on one scalable system.
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Display & Design: 12.1" diagonal IPS WXGA display (1280 x 800) with edge-to-edge glass for crisp maps and data under sunlight; slim footprint fits a wide range of dash layouts.
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Maps & Memory: Worldwide basemap preloaded; compatible with Navionics premium maps for expanded chart coverage; supports 2 microSD cards; 5,000 waypoints, 50,000 point track log, 100 routes.
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Smart Connectivity: OneChart and built-in Wi‑Fi for smart notifications, software updates, and data sharing across Garmin devices; Garmin Marine Network ports (2) enable multi-device networking.
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System Integration: OneHelm digital switching and seamless integration with compatible engines and accessories (including select Yamaha engines); share maps, radar, IP camera video, and more across a single network.
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Navigation Tools: Auto Guidance technology with laylines, wind rose, heading and course-over-ground lines, wind data fields, tide/current, and a time slider for confident decisions.
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Panoptix & Sonar Readiness: Panoptix compatibility with FrontVü scanning sonar (transducer sold separately) for real-time obstacle awareness within approximately 300 feet.
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Data & Sensors: Advanced data and sensors including true wind, wind angle, set and drift, wind speed, and more for precise maneuvering.
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Rugged & Flexible: IPX7 water rating, 10 Hz high-sensitivity receiver, two microSD slots, and a slimline design that supports bail, flush, or flat mounting for versatile installation.
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Power & Reliability: Efficient performance with max power of 26.5 W; 12 Vdc operation; typical draw around 1.7 A and up to 2.2 A under load.
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Compatibility & Networking: GARMIN RADAR compatible and GARMIN SONAR compatible (with external black box, sold separately); designed to grow with autopilots, weather services, Fusion‑Link audio, VHF, AIS, and IP camera video on a single screen.
The GPSMAP 1223 acts as a cohesive navigation hub, delivering precise routes, real-time situational awareness, and expandable connectivity across your marine electronics. Its bright display, robust mapping, and flexible installation options help you navigate with confidence, while built-in networking keeps every device—from radar to cameras—in sync on a single, easy-to-use panel.
| General |
| PHYSICAL DIMENSIONS |
12.1" x 8.9" x 3.2" (30.8 x 22.8 x 8.2 cm) |
| DISPLAY SIZE |
10.3" x 6.4"; 12.1" diagonal |
| DISPLAY RESOLUTION |
1280 x 800 pixels |
| DISPLAY TYPE |
WXGA display |
| WEIGHT |
6.6 lbs. (3.0 kg) |
| WATER RATING |
IPX7 |
| POLARIZED SUPPORT |
Yes |
| POWER CONSUMPTION |
Max power usage at 10 Vdc: 26.5 W
Typical current draw at 12 Vdc: 1.7 A
Max current draw at 12 Vdc: 2.2 A |
| ANTENNA |
Internal or external over NMEA 2000 |
| MOUNTING OPTIONS |
Bail, flush or flat |
| RECEIVER |
10 Hz high-sensitivity |
| GARMIN MARINE NETWORK™ PORTS |
2 |
| Maps & Memory |
| PRELOADED MAPS |
worldwide basemap |
| 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 |
| DUAL-FREQUENCY (50/200 KHZ) SONAR CAPABLE |
Yes (with external black box, sold separately) |
| DUAL-BEAM (77/200 KHZ) SONAR CAPABLE |
Yes (with external black box, sold separately) |
| 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 |
| NMEA 0183 OUTPUT PORTS |
1 |
| VIDEO INPUT PORTS |
1 BNC |
| VIDEO OUTPUT PORTS |
1 HDMI |
| WIRELESS CONNECTIVITY |
Yes |
| J1939 COMPATIBLE |
Yes |
