Harding's Ledge, also known as Harding Ledge, is a shoal in the Atlantic Ocean located on the approach to Boston Harbor, 1.5 miles east of Point Allerton, in Hull, Massachusetts, United States.[1] The shoal is exposed at low tide and has been the site of numerous shipwrecks.[2] A lighted bell buoy located 0.3 miles northeast guides boats around the outside of the shoal.[3]