Every ocean has different depths depending on where you are located in the ocean. The Pacific Ocean is known for having the deepest trench of all of the oceans. It is called the Marianna Trench. This trench is ten thousand nine hundred eleven meters deep. The average depth is four thousand two hundred eighty meters or fourteen thousand forty feet deep.
However, when analyzing all ocean depths, the average ocean depth is almost two and a half miles deep. This could also be measured as twelve thousand one hundred feet deep. The Marianna Trench that is the deepest part of the ocean is called the Challenger Deep. If you want to analyze the ocean floor, it would be almost impossible to do that in these deep areas of the Pacific Ocean.