US Coast Guard Cutter 165' with 36' beam sitting upright in 90' of water 30 mi off the coast of Ft. Myers. Sunk as a memorial reef on July 2, 2012. Highest relief is 60 feet with mooring ball on the bow and stern.
26˚ 33.075' N 82˚ 16.519' W
Lionfish sightings are frequent here.
https://www.youtube.com/watch?v=m7irgrXvefE