How far can you go under the ocean?

Question

How far can you go under the ocean intill its too much pressure you will be crushed, and how much farther down does it go, and what undiscovered creatures might be down there?

Answer 1

Without any oxygen equipment, about 100- 200 feet is about as far as a person can go. They won't be crushed, but its just a matter of time to travel vs a need to exhale and take another breath. The lowest point is about 36,000 feet below sea level off the Phillipine Islands. Based on what subs have already found as here-to-fore undiscovered species, the sky's the limit (ha,ha).