Wetlands in Sussex County, Delaware

Sussex County, Delaware has 139,264 acres wetland mapped. The map below shows every mapped feature inside the county boundary.

Sussex County, Delaware at a glance

Wetland mapped139,264 acres
Distinct wetlands mapped22,187
Share of the county that is wetland22.4%
Most common wetland typeFreshwater Forested/Shrub Wetland (10,653)
Distinct wetland types8
Largest single wetland19,596 acres (Estuarine and Marine Deepwater)

Sussex County, Delaware is home to 277,140 residents. Land Owl's national wetlands layer records the following within the county boundary — Wetland mapped: 139,264 acres. Distinct wetlands mapped: 22,187. Share of the county that is wetland: 22.4%. Most common wetland type: Freshwater Forested/Shrub Wetland (10,653). Distinct wetland types: 8. Largest single wetland: 19,596 acres (Estuarine and Marine Deepwater). Every feature shown on the map above is clickable, and the figures on this page are derived from the same data the map renders, so they always agree. A free Land Owl account adds parcel boundaries, ownership records, flood zones, soils, wetlands and topography over the same view.

Frequently asked questions

How many wetlands are there in Sussex County, Delaware?
Land Owl maps 139,264 acres wetland mapped within Sussex County, Delaware.
Is this wetlands map free to use?
Yes. This map is free to view. A free Land Owl account unlocks the other data layers, parcel boundaries and ownership records.
Where does this data come from?
Land Owl maps wetlands from the U.S. Fish & Wildlife Service National Wetlands Inventory (NWI). NWI-mapped wetlands are a screening tool, not a jurisdictional delineation — confirm any boundary with a qualified delineator before you rely on it.

See every layer over Sussex County

Parcel boundaries, ownership, flood zones, soils, wetlands and topography on one map.

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