RI Coastal Barrier Resources System Index and Maps (US Fish & Wildlikfe Service Coastal Barrier Resources Act site)
Maps of storm inundation with and without sea level rise for varying return periods for RI coastal waters.
Sea Level Affecting Marshes Model (SLAMM) Maps (adopted by the CRMC on January 13, 2015)
Freshwater Wetlands Jurisdiction
(The CRMC and RIDEM collaborated on this legislatively-directed project that establishes clear delineations for the jurisdictional areas for freshwater wetlands. If your project lies on one side of the jurisdiction line, then you only need one agency to review the project.)
State of Rhode Island Web Site