GPSMAP® 8412xsv w/ Worldwide Basemap and Sonar

GPSMAP® 8412xsv w/ Worldwide Basemap and Sonar

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Build your marine system around these fully networkable units with HD in-plane switching (IPS) touchscreen displays for wider viewing angles, superior clarity and sunlight readability, plus built-in sonar.

  • Get wider viewing angles and superior clarity on the 12” touchscreen with a full HD IPS display.
  • See below and around your boat with built-in sonar capabilities (transducers sold separately).
  • Easily build your marine system using the best of network connectivity.
  • From ANT® technology to Wi-Fi® networking, there are countless ways to connect to your system.
  • Take the guesswork out of sailing with clear laylines and more — right on the screen.
  • With SmartMode™ station controls, everything is designed to give you quick, one-touch access to the information you need.

HD IPS Display with Touchscreen
This large 12” display offers wider viewing angles, superior clarity and sunlight readability, even with polarized sunglasses.

Simple, Attractive Mounting Options
You can install multiple displays, either flat mounted edge-to-edge for a sleek glass helm look or mounted flush — creating a stunning helm.

GRID™ 20 Remote Control
The optional, easy-to-use GRID 20 remote input device provides intuitive remote access and control of your entire Garmin marine system.

Traditional and Scanning Sonar Support
Get built-in support for 1-kW CHIRP traditional sonar for superior target separation and ClearVü and SideVü scanning sonars to see up to 1,000’ below and around your boat at 260 kHz (transducer sold separately).

Panoptix™ Sonar Support
Pair your chartplotter with Panoptix or Panoptix LiveScope™ easy-to-interpret live sonar (transducer sold separately) to see all around your boat in real time.

Garmin Marine Network
If you have multiple Garmin devices on your boat, you can share information — such as maps, user data, radar and IP cameras — among them.

NMEA 2000® and NMEA 0183 Networks
Connect to 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 notifications1, software updates, Garmin Quickdraw™ Community data and more.

Integrated Bluetooth® and ANT Technologies
Connect with some of your favorite devices, such as quatix® marine watches, gWind™ Wireless 2 transducers, GNX™ Wind marine instruments and wireless remote controls.

OneHelm™ Feature
This exclusive feature brings together all the operations and capabilities of third-party devices, such as EmpirBus™ digital switching, on one screen.

Smartmode Station Controls
Get quick, one-touch access to the information you need to ease high-stress situations such as docking. You can incorporate networked sonar, radar, cameras, media and more.

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.

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 Guidance technology2 and other premium navigation features.


Physical dimensions

11.9" x 8.5" x 3" (30.3 cm x 21.6 cm x 7.6 cm)

Water rating


Mounting options Bail, flat or flush (Garmin does not offer any hardware or accessories for a flat-mount installation. Professional tools and knowledge is required.)

Internal or external over NMEA 2000


10 Hz GPS/GLONASS/Galileo

Display size

10.1" x 5.7"; 11.6" diagonal (25.7 cm x 14.5 cm; 29.5 cm diagonal)

Display resolution

FHD; 1920 x 1080 pixels


6.2 lbs (2.8 kg)

Display type

touchscreen IPS display (anti-glare finish)

Power Consumption

3.1 A

Transmit Power

1 kW traditional; 1 kW CHIRP

Polarised Support
Garmin Marine Network Ports 2

Maps & Memory General

Accepts data cards

2 microSD cards (on back)

Waypoints 5,000
Track log

50,000 points; 50 saved tracks

Routes 100 (250 waypoints each)

Outdoor Recreation

Tide Tables

Chartplotter Features

Garmin Radar Compatible

Garmin Sonar Compatible


Garmin SmartMode Compatible (customizable monitor pre-sets)

Supports AIS (Tracks Target Ships Position)

Supports DSC (Displays Position Data From DSC-Capable VHF Radio)

Supports Fusion-Link Compatible Radios

GSD™ Black Box Sonar Support
GCV™ Black Box Sonar Support

ActiveCaptain Compatible
Wireless Remote Compatible

Sonar Features & Specifications

Dual-Frequency (50/200 KHZ) Sonar Capable
Dual-Beam (77/200 KHZ) Sonar Capable

ClearVü Yes
Frequencies Supported

Traditional: 50/200, 77/200, 83/200
Single Channel CHIRP: 40-250
Dual Channel CHIRP: 40-250
SideVü/ClearVü: CHIRP 260/455/800
Ultra High-Definition ClearVü: 0.8 MHz (800 kHz), CHIRP range: 760-880 kHz
Ultra High-Definition SideVü: 1.2 MHz (1,200 kHz), CHIRP range: 1,020-1,230 kHz
(dependent on transducer)

Maximum Depth

5,000 ft (1524 m) at 1kW

(depth capacity is dependent on water bottom type and other water conditions)


NMEA 2000® Compatible

Transducer Pin Numbers 1 – LVS sonar, 1 – 12 pin scanning sonar, 1- 8 pin sonar
NMEA 0183 Input Ports

1 differential

NMEA 0183 Output Ports 1 differential
Wireless Connectivity Yes
J1939 Compatible

Supports spoken audio alerts


In the Box:

  • GPSMAP 8412xsv
  • Power cable
  • NMEA 2000® drop cable
  • NMEA 2000 T-connector
  • Bail mount with knobs
  • Flush mount kit
  • Sun cover
  • Trim piece snap covers
  • Documentation

After ordering online, you will receive an automated email confirmation containing your order details. Your order will then be confirmed within a few minutes of placing your order.

It is our policy to ensure we deliver to our customers in a timely manner. In order to achieve this we use a range of freight companies depending on the size and weight of your order. In some instances we may use a number of carriers to get your products to you. For example, chain may come by road, some electronic equipment by air.

Most orders are shipped within 2 - 5 Days

Shipping rates

Orders delivered to Australian Post Codes under $399 attract an $15.00 shipping charge.

Orders of $399 or more ship free.* Excludes Bulky Or Dangerous Goods

For Remote areas and bulky items. If the cost to send is vastly different to our standard delivery costs, someone from our team will contact you prior to dispatch to arrange further payment or to issue a refund if you are not happy with the additional charges.

International orders will be charged at $0.00 initially and our staff will be in contact with a shipping quote. If the quote is not accepted the customer reserves the right to cancel their order and be refunded in full.

Should you have any queries or concerns about shipping, please don't hesitate to get in touch by clicking the support button on bottom right of the page.

What Our Customer Say

i ordered 6 port holes and these guys found exactly what i needed and went out of there way so much to help me 5 star service .


Prompt shipping and a good price. Item was well packed and arrived as ordered and undamaged. Thanks

Tom Mercer

Good quality parts easy to order on downside a couple of delays but they were quick to call and let me know

Darcy Scholte

Good service. Parts delivered on time and in good condition. There was a bit of mix up with one of my first orders but very promptly sorted and sent our to...


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