We offer for sale this "Tall Buoy" marker.  A great tool to mark rock piles, reefs and any under water structure that might hold fish.  It has been developed and refined over several years of testing right on Lake Champlain.  It is safety orange in color and highly visible in all light conditions.  It is over 20" tall and it will stand straight up in the roughest wave conditions, and it will withstand years of wear and tear.  The buoy comes with 25 ft. of braided polyester rope that will not rot and does not float.  A 4 oz. environmentally safe, plastic coated weight is affixed to the end of the rope to keep it in the exact location you want it.  The cost is only $20.00 for this great fishing tool.