NOAA Shoreline Coastline Data

A fabulous resource enabling users to extract coastline vector data products – http://rimmer.ngdc.noaa.gov/mgg/coast/getcoast.htmlas well as a medium resolution coastline data product. Compiled from hundreds of NOAA coast charts, this product comprises over 75,000 nautical miles of coastline (nearly 2.5 million vertices), representing the entire conterminous United States of America. Alaska, the Hawaiian Islands, Puerto Rico, and all other interests and territories of the United States are not included in the collection.

http://www.ngdc.noaa.gov/mgg/shorelines/noaamrdvs.html