OCEANOGRAPHY:

The main sub-divisions of Marine Sciences:

Biological Oceanography/ Marine Biology
Chemical Oceanography/ Marine Chemistry
Physical Oceanography
Marine Geology

Other fields of Marine Studies:

Ocean Engineering
Coastal Engineering
Marine Technology
Ocean Law
Coastal Zone Management
Ocean Resources
Marine Pollution

OCEANOGRAPHIC INSTITUTIONS:

exclusively oceanographic centers:

Woods Hole Oceanographic Institution, Woods Hole, MA

Scripps Institution of Oceanography, La Jolla, CA

Universities that are Sea Grant Institutions:

CMS, University of Delaware, Newark and Lewes, DE
University of Rhode Island, RI
University of Hawaii (SOEST), Hawaii
University of Miami, FL
Texas A & M University, Galveston, TX
University of Puerto Rico, Mayaguez, PR

several dozen more Universities maintaining marine programs, incl.:

Government Agencies involved in Ocean-related programs:

NOAA
EPA
USACE/CERC
NSF

Numerous Foreign Oceanographic Institutions