The Organization’s membership consists of the thirty-five coastal states, commonwealths and territories, which are represented by Delegates appointed by the Governors. The Delegates include senior state officials from the state environmental, natural resource, or planning agencies. The Delegates constitute CSO’s Governing Board.

Alabama
American Samoa
California
Connecticut
Delaware
Florida
Georgia
Guam
Hawaii
Illinois
Indiana
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
New Hampshire
New Jersey
New York
North Carolina
Northern Mariana Islands
Ohio
Oregon
Pennsylvania
Puerto Rico
Rhode Island
South Carolina
Texas
Virgin Islands
Virginia
Washington
Wisconsin