Fort Desoto park in Pinellas county at the mouth of Tampa Bay is another nice place to visit, go camping, fishing or boating in Florida. I'd rather go there than Sea World or Busch Gardens any day. It's got almost everything. It's even dog friendly! Here's a link:
Pinellas County, Florida, Park & Conservation Resources - Fort De Soto Park
Pinellas County, Florida, Park & Conservation Resources - Fort De Soto Park