Light Vessel No.57 (also known as Lightship No.57 or LV57) was an American lightvessel that was built in 1891 and served on the Great Lakes (Lake Michigan), west of the Straits of Mackinac (the reef is now the site of the Grays Reef Light), from her construction to her retirement in 1924. She was partly dismantled, used as a clubhouse, and wrecked by a storm at some time after 1928. On December 16, 1996 the remains of Light Vessel No.57 were listed on the National Register of Historic Places.