number 5 0n the shipwreck trail is the USS Oriskany is a sunken aircraft carrier and is the longest artificial reef in the world. The mighty O served primarily in the Pacific earning battle stars in Korea and Vietnam. She was sunk May 17th, 2006, 22 miles off the coast of Pensacola in more than 200 ft of water. The depth to the top of the ship is 80 ft and the flight deck is at 145 ft. Don’t worry! There is plenty of ship to explore above 100 ft. This dive is recommended for the more advance diver. She lies at 80 – 212 ft, she is 911 ft long with a 148 ft beam. 30º 02.555 n 087º 00.397 w.