Navionics Platinum Plus 649P+ Lake Erie and Saint Clair Marine and Lake Charts on SD/MSD Max detailed charts for cruising, fishing and sailing, plus 3D View, satellite overlay and panoramic port photos all in one. Includes Nautical Chart, a robust chart resource trusted by boaters worldwide,SonarChartTM 1 foot HD bathymetry map that reflects ever changing conditions, and Community Edits, valuable local information added by millions of Navionics Boating app users. Navionics offers the best selling boating maps in the world. Get the most current charts every day with daily updates for one year. Coverage area includes charts for entire Lake Erie and Lake St Clair including Toronto and the southern end of Lake Huron.