High Def detail

SonarCharts™ is an HD bathymetry map featuring extraordinary bottom contour detail, great for increasing awareness of shallow waters and for locating fishing areas at any depth level.

A Community benefit

Navionics integrates the continuous stream of sonar logs shared by individual users with existing data to ensure SonarCharts™ reflects the ever changing conditions of sea, lake and river bottoms.


Plotter, Mobile & Web!

Get SonarCharts™ on any device! It's included with Navionics+, Platinum+, and HotMaps Platinum for compatible plotters. Other cards can have it with Navionics Updates. On mobile, get SonarCharts™ with Navionics+ for mobile (iPhone, iPad - soon on Android). View on our WebApp any time!


Create new SonarCharts™!

Each contribution benefits you and the community. Learn how easy it is to record sonar logs using your Humminbird, Lowrance, Raymarine, Simrad, B&G, and Garmin equipment. Save to any card, upload, and see results in about one week. Watch the video.

Connect from your boat!

Now Raymarine users don't need to remove their card from the plotter to enhance SonarCharts™. Learn more.


Plus Tabs Display