This bill establishes a new designation for a specific waterbody in Florida, creating Section 258.603 of the Florida Statutes. It designates a mangrove island adjacent to the Intracoastal Waterway within Jupiter Sound as the "Andrew 'Red' Harris Spoil Island." The bill also mandates that the Department of Environmental Protection erect suitable markers to officially designate the island.

The effective date for this designation is set for July 1, 2026. This legislation aims to recognize and promote the significance of the Andrew "Red" Harris Spoil Island within the state's environmental and recreational landscape.