The DEJONGH GROUP led a team of marine engineers, archaeologists, environmentalists, marine biologists, horticulturists, economists, lawyers, and scientists to develop planning concepts, zoning strategies, and prepare the Environmental Assessment Report and Permit Application for the Thatch Cay Development, a 230-acre, 100-plus unit, sustainable Residential development on the offshore island of Thatch Cay, St. Thomas, Virgin Islands. The CZM Application was successful and the Permit was approved and issued as submitted.