Maps include freshwater, inshore saltwater, & offshore saltwater areas. Define dozens of well-marked fishing spots. Important information, such as types of fish caught, best fishing months of the year, & underwater structure is shown on the map in an easy-to-read format. In addition, detailed information is also provided for boat ramps, bait camps, & marinas. Waterproof paper. Most maps now have GPS coordinates for fishing locations, boat ramps, marinas, & other points of interest.