Land for the toll plaza and the causeway entrance was bought from the estate of James Deering. Fill dredged from the bottom of Biscayne Bay and dug from the mainland were used as both the road bed and public beach areas, both to the west of Virginia Beach and on the southern reaches of the island.
Land for the toll plaza and causeway entrance was obtained from James Deering's estate. Material extracted from Biscayne Bay and the mainland served as both roadbed and public beach areas, situated to the west of Virginia Beach and along the southern edge of the island.