Sonar Imagery

Bottom Hardness at a Glance​

The sonar imagery feature reveals bottom hardness clearly and in vivid color, highlighting both subtle and dramatic transition areas.

Bottom Hardness at a Glance​

Find the Best Fishing Spots

Sonar imagery is generated from proprietary multibeam surveys. An angler can use it as a reference to better understand the structural characteristics and bottom composition (rocky, sandy, vegetation, roadbeds, etc.) that can inform their fishing strategies.

Find the Best Fishing Spots

How to Get Sonar Imagery

GPS Plotter

Included as a downloadable option with Platinum cards, it can be viewed with compatible models from many brands. Check compatibility

Already have a Platinum card? With an active subscription, you can download it through the Chart Installer.

Mobile

With an active subscription, you can download the data and then, from the Map Options section, easily overlay sonar imagery on our chart layers.

Sonar Imagery Coverage

The Navionics Subscriptions

Your Navionics®+ or Navionics Platinum+™ cartography product includes a one-year subscription to daily updates and additional content. For charts purchased in-store, the subscription requires activation.

GPS Plotter Cards
What you get:
- Download of chart layers
- Daily Updates
- Dock-to-dock Route Guidance
- Advanced Map Options
- Plotter Sync 
- Satellite imagery with SonarChart Shading Overlay
- Relief Shading
- Sonar Imagery

Check to see if your GPS chartplotter model is compatible with advanced features, and ensure that it’s running the latest software.

Mobile App
What you get:
- Download of chart layers
- Daily Updates
- Dock-to-dock Route Guidance
- Advanced Map Options
- Weather & Tides
- AIS
- GPX Import/Export
- Plotter Sync
- Satellite imagery with SonarChart Shading Overlay
- Relief Shading
- Sonar Imagery
- Share/View Live Location
- Share/Save shared tracks, routes and markers

Subscription expired? After one year, you can purchase a renewal. If you don’t, you can still use your chart layers and download the rest of your coverage area.

The advanced features listed above or the download of chart updates require an active subscription.

Discover Our Other Overlays

Satellite Imagery with
SonarChartTM Shading Overlay

Relief Shading

 

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