These are polygon locations of Mid-Atlantic artificial reefs. They were compiled from various sources, including digital data received and/or publicly available from state agencies and lat/long coordinates of reef corners found on public web sites. These polygons represent general areas where artificial reef material has been placed; generally the entirety of the polygon is not all artificial reef.\r\n
\t \r\nData updated, January 2026, by the MARCO Portal:
\r\nGIS data and metadata were updated using the latest available data as of December 2025. All available GIS data published by state agencies in the MARCO 5-state area (NY, NJ, DE, MD, VA) were reviewed. EDITS: 1) New York: 4 new artificial reefs were added: Huntington/Oyster Bay Reef, Port Jefferson/Mount Sinai Reef, Mattituck Reef, Sixteen Fathom Reef; 9 artificial reef delineations in the Portal data were revised using NY's data: Smithtown Reef, Shinnecock Reef, Moriches Reef, Yellowbar Reef, Kismet Reef, Fire Island Reef, Hempstead Reef, McAllister Grounds, Rockaway Reef. Data source: NYS Department of Environmental Artificial Reef Program (NYSDEC); 2) Virginia: 2 new reef areas were added: Newport News Middle Ground Reef, East Ocean View Reef. Data source: Virginia Marine Resources Commission (VMRC).\r\n
\r\nOriginal 2010 data and 2019 Artificial Reefs update: Compiled by The Nature Conservancy
\r\nFebruary 2023 and January 2026 Artificial Reefs data updates: MARCO Ocean Data Portal
Source: \n \n \n \n \n Orifginal data version compiled by The Nature Conservancy from various sources; February 2023 and January 2026 edits by the MARCO Portal\n \n \n \n
\nNotes: These data were originally compiled by The Nature Conservancy from state agencies. Digital data were received directly from a state agency in the case of Virginia, Maryland, and Delaware. For New York and New Jersey, GIS data was created from lat/long coordinates of reef corners found on public web sites (i.e., New York DEC, New Jersey DEP). Data were originally compiled in 2010, updated in 2019 (TNC), and updated February 2023 and January 2026 by the MARCO Portal using NOAA Nautical Charts and publicly available state GIS data/web services.\r\n
\r\nUsers interested in additional information on artificial reefs in the region may view the Atlantic States Marine Fisheries Commission\u2019s July 2021 \u201cProfiles of State Artificial Reef Programs and Projects\u201d report at http://www.asmfc.org/files/Habitat/ArtificialReefs/ASMFC_Profiles_StateArtificialReefPrograms_Projects_July2021.pdf.\r\n