As a county park and not a national park, and if avoiding flying over crowds, are drones allowed at Fort Desoto Park?

https://uavcoach.com/drone-laws-florida/

No definitely not!

No

Knee Cole, In contrast to drone laws Florida and information regarding take off and landing on "public property" restrictions - UAV COACH sights Fort Desoto Park as #5 of the Top 5 Best places to fly in Tampa Bay. I'm awaiting an email response from the Fort Desoto Park rangers management. This process of contacting local official I've done for flying at Gasparilla and other events.

I'd go for it. Carefully they do patrol in a helicopter. They tend to fly it really low and right over people. I fly an rc airplane there before no issues.