Renewable Energy

Planning for sustainable and compatible wind power in offshore waters.

Water Quality

Advancing regional-scale efforts for healthy, clean ocean waters

Marine Habitats

Enhancing management of ocean ecosystems that extend across state borders

Climate Change Adaptation

Understanding impacts on marine ecosystems, coastal communities and economies



MARCO is the Mid-Atlantic Regional Council on the Ocean, formed in 2009 by a governors’ agreement among New York, New Jersey, Delaware, Maryland, and Virginia.


MARCO Partnership Opportunities


MARCO’s 2022 – 2024 Work Plan

Mid-Atlantic Ocean Data Portal


The Portal is an ocean planning resource center featuring the Marine Planner, an interactive mapping tool.


Check our our new feature, Current Agency Actions & Public Comment Opportunities.





Mid-Atlantic Committee on the Ocean


MACO is a committee established by MARCO to foster collaboration among states, federal agencies, the Mid-Atlantic Fishery Management Council, and federally recognized tribes, and to engage stakeholders.

MACO Updates

MARCO 2022 Annual Report Published

We are excited to share a few of the things we are proud of in this report, from the fourth annual Mid-Atlantic Ocean Forum hosted in May, to the official formation of an Ocean Conservation Work Group, and the significant strides we’ve made in our commitment to Diversity, Equity, Inclusion, Justice, and Accessibility (DEIJA). 

MARCO 2022 Annual Report


2023 Mid-Atlantic Ocean Forum


The fifth annual Mid-Atlantic Ocean Forum will be held in New York City on May 17 and 18, 2023. See event page for more information.