The deepest point in the ocean is called the Mariana Trench, specifically the Challenger Deep within it. Located in the Western Pacific Ocean, the Mariana Trench reaches a depth of approximately 36,000 feet (about 10,900 meters). This trench represents the abyssal environment of the Earth's oceans and has been the subject of extensive scientific study to understand the unique extremophiles living in such extreme conditions. The trench's depth makes it challenging to explore, but advancements in technology have allowed for manned descents and submersible research in recent years.