The Crown Wetlands cover about 40% of the area of the island. Apart from Tarpon Lake they all dry out seasonally. They vary greatly in size and consist of four distinct types:[1]
On the northern and southern coasts, there are several hypersaline lagoons surrounded mainly by mangroves. They comprise the Tarpon Lake complex (236 ha), Grape Tree Pond (10 ha), Jackson's Pond (9 ha), Spot Bay Pond (5 ha), Sandy Point Pond (3.5 ha), Easterly Pond (3 ha) and Rosetta Flats Pond (2 ha). The fringing vegetation consists of varying combinations of four mangrove species mixed with Cordia sebestena, Rhabdadenia biflora and Thespesia populnea.[1]
^ abcdef"Crown Wetlands". Important Bird Areas factsheet. BirdLife International. 2014. Archived from the original on 2007-07-10. Retrieved 2014-04-01.