The Peacock Springs Cave system was first explored by Vasco Murray in 1956. The first map of the system was completed by the National Speleological Society team leader, Sheck Exley, in 1995. Exley's team made over 521 dives to complete the survey. A resurvey of the system was completed in 1996 by a team led by Michael Poucher. As of June 13, 2008, the Peacock cave system was the 24th longest underwater cave in the world at 7408 meters. In 2010, a connection was made by Agnes Milowka and James Toland between Baptizing and Peacock springs, extending the total length of the system an additional .