This article in the Sarasota Herald Tribune – August 23, 2020 describes dredging project designed for the safety of boaters when navigating Lyons Bay and around Snake Island to/from the Jetty to the Gulf of Mexico.
The Nokomis/Venice Jetty is the path from the Intracoatal Waterway to the Gulf of Mexico. One the East side of the Intracoastal Waterway (ICW) is Sarasota County mainland, and on the West side are the barrier islands.