Providing maps for lower 48 United States, Lake Insight® v15 features database of 9,000 lakes with depth contours, including 2,300 detailed charts with contours at 1–3 ft intervals. Nautic Insight® v15 includes updated NOAA Electronics Navigation Charts and Marine Protected Areas, optimized bathymetric and depth contour detail, Maptech and Fishing HotSpots® POIs, and 20 zoom-in levels beyond standard Insight data preloaded in chartplotters. Both come in PRO, HD East, and HD West versions.