Problem

I am doing the lvl 60 quest beneath the depths and i go to the corodinates that the map says and the wiki says and there is nothing there plz help me

 

It's under the water, there should be a cave

 

Sometimes the wiki isn't always updated. Maybe go to the coords that the book says (if there is coords )

 

i am at the cords the map the book and the wiki says and there are no caves
there is 1 further away but theres nothing in it

 

If you go to the coordinates shown on the map, there should be a cave exposed on the ocean floor below you. It's fairly big, so it shouldn't be hard to miss. The cave opening should be somewhere west of Selchar.

Just go to the opening and you should enter a cave with a bunch of mobs in it. Then go to the end of the path, kill the treasure guardian, and go back to the entrance of the cave and swim up.

Also, looking at the ocean floor for mob name tags may help you locate the entrance.

 

I don't see how it can be that hard to find a giant opening in the ocean floor.

Just head north-west of Selchar to the co-ords in the book or wiki and look for a hole Beneath the Depths