Minnesota LakeMaster maps contain high-definition contours, structures, and bottom information created from meticulous on-the-water surveys. Lake detail includes islands, reefs, points, bays, access points and more. Your Garmin GPS will accurately place your boat on the map as well as show detailed tracklines and waypoints.

Minnesota LakeMaster coverage includes detailed maps for 72 of the most popular lakes in Minnesota plus general coverage for another 657 Minnesota lakes. Minnesota Lakemaster is available in two forms — CD ROM or preprogrammed data card, and can be purchased separately through our website. See the product compatibility table (right) for a list of products that Garmin recommends with this software.

Version 4 features include:

• Detailed ProMap® coverage of 72 of the most popular fishing lakes in Minnesota
• High definition depth contours
• Underwater structures and hazards
• Bottom information
• Data created from on-the-water surveys
• Detail includes islands, reefs, points, bays, access points, aquatic vegetation and more
• Contains general coverage for over 657 additional lakes with information such as improved shoreline, depth contours, boat ramps, and more
• Full road coverage statewide
• Trip and waypoint management function lets you transfer waypoints, routes and tracks between your chartplotter or GPS and your PC

Unlocking your coverage: Before you can download map detail from the MapSource® Minnesota LakeMaster v4 CD to a memory card or directly to your compatible Garmin GPS, you must “unlock” the CD-ROM. Simply follow the instructions on the included certificate to unlock the entire CD-ROM free of charge. Next, download the data to a data card or to your compatible Garmin unit. Internet access is recommended for the unlock process.