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 out the latest Portal News & Updates!

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

–Upcoming MARCO Events–

2023 Mid-Atlantic Marine Debris Summit- Register Today!

December 6-7, 2023 Ι Ocean City, MD

The public is invited to join researchers, educators, policy makers, and businesses as we explore regional and collaborative solutions to reduce and prevent the sources of marine debris.

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

Woman and Child on Beach

Statement on Diversity, Equity, Inclusion, Justice, Accessibility

MACO is committed to listening and incorporating information from the widest possible set of stakeholders to better understand and address injustices and inequities. MACO will ensure its work reflects a commitment to Diversity, Equity, Inclusion, Justice and Accessibility (DEIJA), as well as addresses the needs of stakeholders from a variety of backgrounds and industries.

2023 Mid-Atlantic Ocean Forum

A banner for the event reading

The fifth annual Mid-Atlantic Ocean Forum was held virtually and in person in New York City on May 17 and 18, 2023.