Because of the region's relative remoteness, this 102 sq km (63 sq mi) refuge has long been frequented, primarily by two sorts of specialists. Anglers come in search of that elusive 40-pound snook, though they abandon ship April through July when the park is closed to fishing (a good time to get a bargain price on accommodation). Birders flock here each year from January through March to spot an unequaled assortment of waterfowl.