
About MARCO
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.
Mid-Atlantic Ocean Data Portal
The Portal is an ocean planning resource center featuring the Marine Planner, an interactive mapping tool.
Mid-Atlantic Ocean Planning Committee
The Mid-A OPC 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.
News & Updates

Microplastics and Producer Responsibility
August 22, 11 a.m.
Register for our upcoming webinar examining regional and federal policies addressing marine microplastics and plastic waste.

Workforce Development Fellowship: Request for Qualifications
Mid-Atlantic Coastal Acidification Network fellowship aims to provide immersive, real-world learning opportunity.

Request for Qualifications: Marine Debris & Ocean Conservation Fellow
MARCO seeks applications for a one-year opportunity for students or early career professionals.
MACAN Educational Video Series
This four-part series will introduce you to the sources of coastal and ocean acidification, its impacts on coastal habitats, fisheries, and livelihoods, and the technology scientists are developing to monitor acidification and remove carbon dioxide from the ocean.
The 2025 Mid-Atlantic Ocean Forum
Thanks to all who participated in Baltimore for this year’s event. Click here to view videos of the panels and presentations.