For Landowners

Landowner information: protect your rockweed!

You can always call or email the Maine Rockweed Coalition for advice and guidance: 207-956-0815;



2024 Instructions for landowners – -including forms (download)

sign no rockweed harvesting

Click the map image to see an interactive statewide map: coastal tax parcels, rockweed ledges, conserved lands, and for Cobscook Bay only, rockweed harvest sectors.

See the list of Cobscook Bay rockweed sectors and which company is assigned to remove rockweed in each sector.

Cobscook Bay Rockweed Management Area map with conserved lands, tax parcels, rockweed ledges and rockweed harvest sectors.