It was probably named for General
Joseph Gilbert Totten who was
Chief of Engineers for the U.S. Army. In 1848, Totten was in charge of a survey of the Florida coast concentrating on Biscayne Bay, with
Robert E. Lee as a subordinate. U.S. Coast Survey chart #68, Florida Reefs, Key Biscayne to Carysfort Reef (1858) has Totten's Key. ==References==