Morgowr is Cornwall’s best-known modern sea monster, most closely linked with Falmouth Bay, the Helford River and nearby coastal waters. The name comes from Cornish and is usually translated as “sea giant”. Although Morgowr became famous in the 1970s, the creature belongs to a much longer pattern of Cornish sea monster sightings, with widely recorded reports appearing in the nineteenth century. One of the earliest major accounts was printed in January 1877, when the West Briton carried a report concerning Captain Drevar of the ship Pauline. Drevar claimed to have seen a sea serpent on three separate occasions, including an animal that followed his vessel and appeared to catch whales. Further reports followed in the early twentieth century. In 1903, Captain White of the Falmouth tug Triton described a serpent around one hundred feet long near Longships lighthouse, and in 1906 witnesses aboard the liner St Andrew reported seeing a sea serpent off Land’s End. These earlier sightings formed the background to the later Morgowr legend. By the 1970s, reports around Falmouth Bay and the Helford River gave the creature a clearer local identity. In September 1975, Mrs Scott and Mr Riley reported seeing a humped creature with a bristled neck and short horn like projections off Pendennis Point. In March 1976, the Falmouth Packet published two grainy photographs sent anonymously by “Mary F”, said to show a dark shape in the water near Trefusis Point, with humps and a raised neck. More Morgowr sightings followed from Rosemullion Head, Grebe Beach, Gyllyngvase, and the Helford River. Fisherman George Vinnecombe and John Cock gave one of the best known accounts in July 1976, describing a creature as large as their boat with a head raised on a long neck. Artist, magician, and showman Tony “Doc” Shiels also became closely associated with Morgowr, helping to shape its public image through his photographs, claims, and theatrical involvement in the creature’s story. Explanations have ranged from misidentified seals, whales, debris, and hoaxes to the possibility of an unknown marine animal.