Maryland Department of Natural Resources – Boating Services, through the Boat Act Advisory Committee, creates speed zones or regulated areas with all Maryland waters.

Select a see waterway and then you will see a detailed map that can direct you to COMAR (Code of Maryland Regulations) for the complete regulation.

Patterned areas have some type of regulation Solid areas are open water.

The boating Regulation Area Maps are created as a visual guide for potential speed areas. The maps are not legally binding the definition in COMAR (Code of Maryland Regulations) are legally binding. If you would like to see the boating regulations page in COMAR, click here.​