And that pun is intended as the deepest known part of the world is an area of the Mariana Trench called Challenger Deep where the stated depth is approximately 10935 meters according to the NOAA Wikipedia states
link 10984 +- 25 meters. So even without the 25 percent over-testing the Deepsea Challenge is rated to get you to the deepest water on
link the planet even if
link you can't get there without a very special submarine.