The best detail of the popular Big Pine Key and Contents Key Area. Coverage from Marathon west to Boca Chica, north to Harbor Key Bank and south to the reef. Enhancements include back country routes, areas of recent shoaling, current USFWS restrictions, day use areas, and 51 sets of GPS Waypoints, plotted and indexed on the chart. Bright colors and big type is very easy to read. If you are serious about boating in the Marathon Florida area, you can’t be without this navigation map. We have the best detail of the popular Big Pine Key and Contents Key Area. As well as coverage from Marathon west to Boca Chica, north to Harbor Key Bank and south to the reef. Enhancements include back country routes, areas of recent shoaling, current USFWS restrictions, day use areas, and 51 sets of GPS Waypoints, plotted and indexed on the chart. Bright colors and big type make this nautical map very easy to read. You will love the illustration and vibrant colors so much you’ll want to frame this navigation chart and hang it in your home. Information from 3 NOAA Charts #11445, #11448 & #11442. Nautical chart is 25″ X 38″. WGS84 – World Mercator Datum.