ShotHotspot has mapped 19 abandoned places in Pinellas, Florida, ranked by how often they're photographed, viewed and voted for. The most popular are Tampa Bay Automobile Museum, Brooker Creek Preserve and Tin Rust Wind Barn. Some are private property or unsafe, so get permission before you visit.
We don't know whether you're allowed to visit any of these places. Many are private property, closed to the public or unsafe: get permission from the owner or the relevant authority, and take safety precautions.