Untitled Sighting

A friend and I were on our way to mouth of Klamath River area to fish on friends boat and pulled off hiway at ,Stony Lagoon, approx 3-4 mi So. of Orick, Ca. We went west over a small hill and down to a camping area almost on the beach,passing through 200'-300' of brush and trees. We parked our m/cycles 10 or so feet apart and built a sml fire and unrolled our sleeping bags,There was a very bright moon out over the ocean west of the beach.About 100'west of us & 30'or so ft from the water a large humanlike form was trotting or bouble timing So.down the beach.My buddy yelled at him/it to come join us .He kept on going.We took our flashlite and went down to the beach.Don't know what made the prints but theylooked to be at least 6" wide and at least 12 if not 14" long.Maybe longer.We went back to the fire and my friend heard noises in the brush behind us.He shined the lite in the brush and said he saw eyes.We rolled our bags and lost no time leaving.The prints in the sand were a good 10' apart