The Town offers a variety of tools and maps, including historic maps, to assist the homeowner in understanding the link between flood plain management and external factors such as shoreline and sea level changes. You may also view our Mapping Services page for additional interactive and static maps. Local staff are ready to assist you with any questions.
Current Base Flood Elevation Map
This map will help you determine your current Base Flood Elevation. These maps were effective January 29, 2021. For more information regarding Flood Zone Designation please click here.
Potential Storm Surge Inundation Model
This document contains aerial views of Sullivan's Island with layers of illustrations that simulate different inundations of storm surge based on the Saffir-Simpson Hurricane Scale.
The Town offers the following links to a number of county, state and federal agencies to further assist you with your flood plain management questions
Charleston County Resources
South Carolina State Resources
Shoreline & Sea Level Information