On the Big Island, between Mile Markers 69 and 70 on Highway 11 is the road to South Point — called Ka Lae which means "the point." Take South Point Road twelve miles, passing a wind farm and expansive pasture land. There are several destinations at South Point — the boat hoist area where the cliffs are, some sacred archeological sites (dating back to 300 A.D. — the oldest in Hawaii), as well as the marvelous Green Sand Beach (about an hour's hike from nearest parking). South Point is the southernmost point in the United States. There are several jump spots at the boat hoist area, about 30 to 40 feet above the deep, protected water. The water at the base of the cliffs is 50-100 feet deep — and absolutely clear. There are ladders to climb back up — or you can scramble up a few areas where the cliffs part to form a path to the water.