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This data layer represents the polygon delineations of Mid-Atlantic artificial reefs. They were compiled from various sources, including digital data received from and/or published by 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. January 2026 updates: GIS 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).
2010, 2019 Artificial Reefs data: Compiled by The Nature Conservancy
Feb. 2023 and Jan. 2026 Artificial Reefs data update: MARCO Ocean Data Portal
Use/limitation/Disclaimer: These data are supplied 'as-is' without warranty of any kind. While efforts have been made to ensure that these data are accurate and reliable within the state of the art, the MARCO Portal cannot assume liability for any damages, or misrepresentations, caused by any inaccuracies in the data. These data are not for use in litigation or intended for navigational purposes. Any maps, graphics, publications, reports or any other type of document produced using these data will credit authors/sources listed in the metadata.
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| summary:
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This data layer represents the polygon delineations of Mid-Atlantic artificial reefs. They were compiled from various sources, including digital data received from and/or published by 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. January 2026 updates: GIS 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).
2010, 2019 Artificial Reefs data: Compiled by The Nature Conservancy
Feb. 2023 and Jan. 2026 Artificial Reefs data update: MARCO Ocean Data Portal
Use/limitation/Disclaimer: These data are supplied 'as-is' without warranty of any kind. While efforts have been made to ensure that these data are accurate and reliable within the state of the art, the MARCO Portal cannot assume liability for any damages, or misrepresentations, caused by any inaccuracies in the data. These data are not for use in litigation or intended for navigational purposes. Any maps, graphics, publications, reports or any other type of document produced using these data will credit authors/sources listed in the metadata.
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| extent:
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[[-76.5316033956812,36.8965112112608],[-72.4600000001742,41.0583330001118]]
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| accessInformation:
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(see description)
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| thumbnail:
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thumbnail/thumbnail.png
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| maxScale:
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1.7976931348623157E308
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| typeKeywords:
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["Data","Service","Map Service","ArcGIS Server"]
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| description:
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These are polygon locations of Mid-Atlantic artificial reefs. They were compiled from various sources, including digital data received 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.
<br></br>
Original 2019 data and metadata (this document) generated by The Nature Conservancy.
<br></br> Data updated, February 2023, by the MARCO Portal <br>
1) added a polygon area in Delaware Bay, named 'DE13' in the data; <br>
2) modified the shape of the 'Wildwood' polygon off the Atlantic coast of southern New Jersey. <br></br> Both February 2023 edits used the NOAA Electronic Navigational Chart (ENCs) web services as the map source.
<br></br>
<br></br>
Credits<br>
<br>
Virginia Marine Resources Commission <br>
http://www.mrc.virginia.gov/vsrfdf/reef.shtm
<br></br>
Maryland Department of Natural Resources <br>
https://dnr.maryland.gov/fisheries/Pages/reefs/index.aspx
<br></br>
Delaware Department of Natural Resources and Environmental Control, Division of Fish and Wildlife <br>
http://www.dnrec.delaware.gov/fw/Fisheries/Pages/ArtificialReefProgram.aspx
<br></br>
New Jersey Department of Environmental Protection, Division of Fish and Wildlife <br>
https://www.state.nj.us/dep/fgw/refloc00.htm
<br></br>
New York Department of Environmental Conservation <br>
https://www.dec.ny.gov/outdoor/7896.html
<br></br>
NOAA Electronic Navigational Charts web service <br>
https://encdirect.noaa.gov/arcgis/rest/services/encdirect/enc_approach/MapServer
<br></br>
2019 Artificial Reefs data: Compiled by The Nature Conservancy <br>
<br></br>
2023 Artificial Reefs data update: MARCO Ocean Data Portal
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| licenseInfo:
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Data intended for visualizaton on the MARCO Portal
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| catalogPath:
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|
| title:
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ArtificialReefs
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| type:
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Map Service
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| url:
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|
| tags:
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["fishing","artificial reefs"]
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| culture:
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en-US
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| name:
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ArtificialReefs
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| guid:
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D11A8092-046F-4E49-9011-353FC5A404CE
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| minScale:
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0
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| spatialReference:
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WGS_1984_Web_Mercator_Auxiliary_Sphere
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