The Wetlands mapper is designed to deliver easy-to-use, map like views of America’s Wetland resources. It integrates digital map data along with other resource information to produce current information on the status, extent, characteristics and functions of wetlands, riparian, and deepwater habitats. This is the primary online mapping resource for wetlands in the United States.

Data from the National Wetlands Inventory can be downloaded and used with with GoogleMaps or other GIS software.

The Global Wetlands Map is an initiative to collect and share information on tropical wetlands in a visual format. Users can access data and contribute their own, using standard geographic information systems software such as ArcGIS.

Find UNESCO Ramsar designated wetlands around the world.

Based on U.S. Fish and Wildlife Service National Wetlands Inventory (NWI) data. Downloadable dataset from the Illinois Geospatial Data Clearinghouse.

Browse research data related to wetlands in the Illinois Data Bank. The Illinois Data Bank is a public access repository for publishing research data from the University of Illinois at Urbana-Champaign.