At a specific spot along the coast of North Carolina the continental shelf extensile 65 m from the shoreline into the ocean at that point the depth of the water is 85 m from there the ocean floor sloughs down to the ocean crust which begins 115 m from the show and I added depth of 2700 m find the slope of the ocean floor connecting the edge of the continental shelf in the beginning of the oceanic crust that section of the ocean floor is called the continental slope