Over 14,000 total lake maps throughout 5 regions,
plus more than 700 exclusive HD (high-definition) lake maps
from Navionics' own US survey team and recent on-the-water surveys featuring up to 1' bottom contours
for the most popular tournament lakes; the most accurate, highly-detailed lake maps available anywhere!

North & South Dakota are included in both West and North Regions.
Michigan is included in both North and East Regions.
South Region also includes Gulf Coast marine data.
Additional Shallow Water Contours and Pro Staff Waypoints Now Included!