Oceana
http://www.oceana.org/
What is the role of the ocean in weather? Visit Ocean World and learn about El NiƱo, fisheries, waves, icebergs, currents, and much more! Lessons and classroom activities are included.
NOAA Ocean Explorer
http://www.oceanexplorer.noaa.gov/
Let the National Oceanic and Atmospheric Administration take you on a tour of important ocean environments. Review ocean exploration technology.
Oceans
http://www.mnsu.edu/emuseum/information/oceans/index.shtml
What is oceanography? What tools to oceanographers use? Learn the role the Antarctic Ocean plays in the circulation and health of all the Earth's oceans.