This study examines the performance and relative contribution of marine industries in coastal states bordering this Northeast region over time. These states include the New England states of Maine, New Hampshire, Massachusetts, Rhode Island, and Connecticut. The “mid-Atlantic region” is defined for study purposes as New York, New Jersey, Delaware, Maryland, Virginia, and North Carolina. For purposes of this study, the Northeast region marine-based economy identifies 14 industrial sectors classified under the North American Industry Classification System and/or the Standard Industrial Classification system, depending on year. In addition to a combined marine-based sector, trends in performance of these sectors are reported separately as well...