Depth: 80–212 feet Sink Date: May 17, 2006 Nicknamed the "Great Carrier Reef," the USS Oriskany, also known as the "Mighty O," was sunk after serving in the Pacific and earning battle stars for service in both the Korean and Vietnam Wars.

Located 22 miles off the coast of Pensacola and submerged in more than 200 feet of water, this shipwreck offers exploration for divers of all skills and a myriad of pelagic and sedentary marine life.

Depth: 80 feet Sink Date: August 11, 1944 Launched from Belfast, Ireland, in 1915, San Pablo started her life as a fruit transport running bananas from Central America to the United States.

In August 1944 amid rampant rumors of foreign spies and espionage, San Pablo exploded off Pensacola's coast, hence her local name "Russian Freighter."

Her wreckage is scattered across the seafloor where divers can explore boilers, refrigeration coils and huge sections of twisted metal, all home to an impressive array of marine life.

Depth: 100 feet Sink Date: 1993 An offshore oilfield supply vessel, this upright wreck boasts three levels of superstructure and an intact pilothouse making it home to mesmerizing schools of fish.

Depth: 100 feet Sink Date: 2003 Once resting bow-to-bow and joined by a 30-foot tether, a storm picked up one of the sunken tugs and placed it directly atop the other, allowing divers to enjoy two shipwrecks at once and serving as a reminder to visitors of the power of the sea.

[5] In May 2007, an expedition, led by Texas A&M University and funded by the Okeanos Gas Gathering Company (OGGC), under an agreement with the Minerals Management Service (now BOEM), was launched to undertake the deepest scientific archaeological excavation ever attempted at that time to study a wreck site on the seafloor and recover artifacts for eventual public display in the Louisiana State Museum.