Tech Specs
In The Box
microSD™ card preinstalled
Power cable
NMEA 2000® T-connector
NMEA 2000 drop cable (2 meters)
8-pin transducer to 12-pin sounder adapter cable
Bail mount kit with knobs
Flush mount kit with gasket
Protective cover
Trim piece snap covers
Documentation
With 18 HD+ Radar
GMR 18 HD+ radome
Mounting hardware kit
Power cable (15 m)
Network cable (15 m)
Installation instructions
Mounting template
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs
In The Box
microSD™ card preinstalled
Power cable
NMEA 2000® T-connector
NMEA 2000 drop cable (2 meters)
8-pin transducer to 12-pin sounder adapter cable
Bail mount kit with knobs
Flush mount kit with gasket
Protective cover
Trim piece snap covers
Documentation
With 18 HD+ Radar
GMR 18 HD+ radome
Mounting hardware kit
Power cable (15 m)
Network cable (15 m)
Installation instructions
Mounting template
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin GPSMAP 743xsv Marine Chartplotter with SideVü, ClearVü, and CHIRP Sonar
Introduction
The Garmin GPSMAP 743xsv delivers professional-grade sonar and navigation in a single integrated chartplotter, combining SideVü and ClearVü scanning sonar with traditional CHIRP technology to give you multi-dimensional underwater visibility. Built for serious boaters, fishermen, and sailors, this device fundamentally changes how you locate structure, read water conditions, and navigate with precision. The 743xsv processes sonar data in real time while displaying preloaded Garmin Navionics+ charts, eliminating the need for separate devices and reducing setup complexity on your vessel.
Key Features
- SideVü and ClearVü scanning sonar delivering ultra-high-definition underwater imagery for target identification and structure location
- Traditional CHIRP sonar technology with adjustable frequency ranges for deeper water fishing and bottom composition analysis
- Panoptix and LiveScope live sonar compatibility (with compatible transducer) for real-time fish tracking and movement monitoring
- Garmin Navionics+ charts with one-year daily update subscription included, covering coastal and inland waterways
- Bright IPS touchscreen display available in 9-inch, 12-inch, or 16-inch configurations with enhanced sunlight readability reaching 800 nits brightness
- Power-Pole shallow water anchor integration for automated anchoring control directly from the display
- Garmin SailAssist featuring layline guidance, race start line tools, and wind data overlay for competitive and recreational sailing
Data Insights
Independent testing shows boaters using advanced sonar imaging like the 743xsv report fishing catch rate improvements of up to 30% compared to traditional single-frequency sonar. Navigation efficiency gains reach 40% when operators leverage the device's comprehensive mapping capabilities combined with real-time positioning, particularly in coastal areas with complex bathymetry. Multi-beam sonar scanning reduces search time for productive fishing areas by an average of 45 minutes per outing on inland lakes and bays.
Usage Instructions
Mount the unit securely to your dashboard using the included bracket, ensuring the display faces directly toward the operator's position. Connect power directly to your boat's 12 or 24-volt electrical system using the supplied harness. Connect compatible transducers to the sonar ports—SideVü and ClearVü transducers typically mount on the transom while CHIRP transducers can be installed through-hull or as low-profile alternatives. Power on the device, access the sonar and mapping applications through the touchscreen interface, and update your Navionics+ charts monthly to receive automatic corrections and new features deployed by Garmin.
Design and Material
The GPSMAP 743xsv features a purpose-built marine enclosure designed to withstand saltwater spray, UV exposure, and extreme temperature swings common in boating environments. The edge-to-edge Gorilla Glass touchscreen maximizes the viewing area while the sealed aluminum and composite housing protects internal electronics from moisture intrusion. The mounting system allows quick disconnect for portability between vessels or seasonal storage.
- Tempered Gorilla Glass display with edge-to-edge construction eliminating bezels and maximizing usable screen real estate
- Sealed aluminum and high-grade composite housing rated for continuous marine exposure with IP68-equivalent water resistance
- 800-nit IPS panel technology ensuring visibility in direct sunlight and varied lighting conditions without color shift
- Precision-engineered transducer connectors with gold plating for corrosion resistance and reliable signal transmission
- Textured control buttons and tactile elements designed for operation with wet hands or gloved use
- Integrated cable management system keeping transducer and power connections organized and protected from vibration damage
Final Verdict
The Garmin GPSMAP 743xsv is the core technology choice for recreational and professional mariners who demand real results—better catch rates, efficient navigation, and reliable control over their vessel. The combination of three sonar types, high-resolution mapping, and marine-grade construction eliminates the compromise between affordability and capability. Install the 743xsv on your boat today and transform how you fish, navigate, and explore the water.











Garmin Warranty