80.160—Montauk Point, NY to Atlantic Beach, NY.
        
        (a) 
         A line drawn from the Shinnecock Inlet East Breakwater Light to Shinnecock Inlet West Breakwater Light 1.
    
    
    
        
        (c) 
         A line drawn from Fire Island Inlet Breakwater Light 348° true to the southernmost extremity of the spit of land at the western end of Oak Beach.
    
    
        
        (d) 
         A line drawn from Jones Inlet Light 322° true across the southwest tangent of the island on the north side of Jones Inlet to the shoreline.