Unless the world has been reborn, you can't fish on the beach in Ft. Lauderdale.
When I lived there in the 80's I had to drive two hours north to Jupiter to legally fish with my ankles wet.
Instead, find any bridge on the Intracoastal at night. Drift live shrimp or crank a mirrolure for snook in the shadowline.
Or, hopefully there is still access at the inlet in Boca Raton. Blue runners and mangrove snappers used to be a good bet there.