The size of the island was still relatively stable in the first half of last century: in 1891 it had an area of  and, in 1937, . In 1957 the high-water free area was still , including about one acre of large dunes.
The island's dimensions remained steady over the first half of the last century: in 1891 it measured , and by 1937, . By 1957, the area above high water level was still , with about an acre of large sand dunes.