On Tue, 03 Oct 2006 15:07:26 GMT, "Dennis Pogson"
wrote:

You can try to get digital charts such as Maptech BSB or Maptech PCX charts
from one of the many file-sharing programs.

The charts for the entire US are now free to download from NOAA.

http://nauticalcharts.noaa.gov/mcd/Raster/download.htm