Heard a piece on a local radio station this morning, apparently the plane dropped from radar at 130' or so AGL immediately after takeoff.
Both runway 23 and 31 end at 1/4 and 1/2 mile from the beach respectively. They interviewed some pilot that said he'd flown out of there at night once before, and "he was lucky he survived". I get the spatial disorientation, but both the hyperbolic pilot interviewed- as well as the poor soul that was piloting the mishap plane- knew what they were going to be encountering literally seconds after takeoff. So why not eyes on instruments, when you know in advance that there's nothing to reference outside? Seems it would be simple enough to tell the individual in the other seat to keep eyes outside for any traffic.
I don't know about the conditions that evening, but this time of year winds are usually calm after sunset- so I'm also wondering why the pilot would've made the choice to immediately fly out over water instead of utilizing the opposite runway. Was that the first mistake? Since he would've needed to turn north, perhaps he was looking for a non-existent horizon for bank angle and pitch references, and over-banked and/or exceeded AOA and just rolled over with no time to recover?
Utilizing runway 05 would've put him right over I-75 to follow north for the short trip back to St. Pete- wouldn't that have been the preferred route?