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 Subscription

When you purchase any new product, a one year subscription to daily updates and many advanced features is included. 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
- Relief Shading
- Sonar Imagery

Check if your GPS plotter model is compatible with advanced features and make sure it is running the latest software.

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

Discover Our Other Overlays

Satellite Imagery

Relief Shading

 

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