Weekend events include activities for art lovers and pets with Siesta Fiesta and Celebration of Pets Fest.
TripAdvisor gave the sign to Siesta Key after it won the Traveler's Award for best U.S. beach.
The project will not cause lane closures until May.
The funding goal is $165,000.
Chris Brown and Mike Granthon purchased the property in November.
Siesta Key has won another No. 1 beach distinction — this time from an organization more reflective of the demographics in Sarasota County.
Sarasota County Parks, Recreation and Natural Resources will hold three public meetings to get community input on its master plan.