Welcome to the Coasts & Oceans section of Geo-Earth. Here you will find the necessary links to different oceanic organizations. You can use the forum to discuss related topics, although free membership is preferred. A definition of coasts & oceans can be found below:

Land next to the sea; the seashore. The entire body of salt water that covers more than 70 percent of the earth's surface.

National Oceanic and Atmospheric Administration (NOAA): 1) http://www.noaa.gov/ocean.html
                                                                                                               2) http://www.noaa.gov/coasts.html
COPRI Institute: http://www.coprinstitute.org/
British Geological Survey: http://www.bgs.ac.uk/science/coastal.html