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The Humminbird LakeMaster Ontario Edition, Version 1 microSD map card is loaded with contours for over 550 lakes within Ontario. Additionally, included coverage exists for many border waters and the Great Lakes: Michigan, Superior, Huron, Erie & Ontario.


  • Updated shallow water areas for Lake Michigan and parts of Lake Superior
  • Full coverage of Lake Superior
  • All of Lake Huron (now including Georgian Bay)
  • Beaver Island on Lake Michigan in High Definition
  • High Definition Survey of Lake St Clair (including the Canadian side)
  • Updated the St. Clair River High Definition survey (including the Canadian side)
  • Updated the Detroit River High Definition survey (including the Canadian side)

Plus High Definition surveys for border waters including:

  • High Definition survey of Falcon Lake, Manitoba
  • Crane, Rainy River, Minnesota
  • Kabetogama, St. Louis, Minnesota
  • Namakan, Rainy River, Minnesota
  • Sand Point, Rainy River, Minnesota
  • Barr, Manistee, Michigan
  • Bear, Muskegon, Michigan
  • Macatawa, Ottawa, Michigan
  • Pentwater, Oceana, Michigan
  • Pere Marquette, Mason, Michigan
  • Skegemog, Antrim, Michigan, and more!

Also with the Ontario Version 1 microSD map card, you’ll enjoy all of the LakeMaster features including the following:

  • i-Pilot® Link™ compatible
  • Easy to read contours
  • Depth Highlight Range
  • Water Level Offset
  • Shallow Water Highlight
  • Scrollable Lake List