The following is the results of your search for quicksands.
Quicksands: Found only in
(Acts 27:17) the rendering of the Greek Syrtis. On the
north coast of Africa were two localities dangerous to sailors,
called the Greater and Lesser Syrtis. The former of these is probably
here meant. It lies between Tripoli and Barca, and near Cyrene. The
Lesser Syrtis lay farther to the west.