 The property offered a commanding view of the St. Mary harbour, and Morgan used it as a lookout.As part of the hideaway, Morgan had caused a secret escape tunnel to be dug, opening at Port Maria.Named for the luminous insects seen in the warm evenings, Firefly estate has entertained a wide range of guests, including both the Queen Mother and Queen Elizabeth II, Sir Winston Churchill, Lord Olivier, Sophia Loren, Dame Elizabeth Taylor, Sir Alec Guinness, Peter O'Toole, Richard Burton, and neighbours Errol Flynn, Ruth Bryan Owen and Ian Fleming.