Boybuloq Cave
The cave is the deepest known cave in Asia having been explored to a depth of from the entrance. At the lowest discovered level a water-filled siphon blocks further exploration. It is thought that the cave has the potential to be the deepest known cave in the world, with a theorised depth of making it deeper than the Veryovkina Cave. The explored length of the cave is .
Jarrod Jablonski
Jablonski has been setting records for cave penetration for many years. In 1995 he and Geologist Todd Kincaid pushed the Manatee Springs cave system to . On April 25, 1997, Jablonski along with George Irvine and Brent Scarabin set a new penetration record of in Wakulla Springs. They utilized Halcyon semi-closed circuit rebreathers at an average depth of . In July 1998 Jablonski, again diving with Irvine and Scarabin traveled in Wakulla Springs O-Tunnel. Jablonski and his regular dive buddy WKPP director Casey McKinlay set a world record for the longest ever penetration on a cave dive, at while exploring "Q" tunnel of Wakulla Springs.
This record remains the longest penetration in a deep cave. The new record for the longest penetration at any depth is now held by Jon Bernot and Charlie Roberson of Gainesville, Florida, with a distance of .