Where is the deepest location in the sea and has any human been there?After the deepest in the sea what next?

marianas trench in the pacific ocean.11kns deep

Marianas Trench in the Pacific ocean.

The deepest location in sea is mariana trench in pacific ocean. the depth is more then 10,000 metres. to b frankly speaking i dont know tht has anybody been there or not. may be bermuda triangle is next....who knows...

Well, the Mariannas Trench in the Pacific is generally acknowledged as the deepest point -- the Challenger Deep is 35,838 feet below the surface! In metric, that's 10,923 meters below mean sea level! And yes, man has been there. So, what do you mean by "what's next"?

what do you mean space is next, we are already there!

its some where in pacafic ocean near korea..its 11km down to earth..and intersting fact is dat if man goes to its full dept he well shrink to a cockroach zise becoz of water pressure...but still there r creature who live down there...after all dats the BEAUTY OF NATURE

the Marianas trench,37,000 ft. deep,yes, people have been down there in small submarines called deep sea submersibles,beyond that is the earth itself,remember,only the surface of the planet is 70% water,beneath all that water is mother earth

After reading everyone elses answers, I think I will have to go with the Marianas Trench in the Pacific Ocean. And no human has ever been there in person...