 The names Austin Glacier, Breakwater Point, Ram Head, and Shag Point first appear on a 1931 British Admiralty chart.The South Georgia Survey (SGS) of 1951-1957 has been responsible for selecting several names in and around the Bay of Isles.The SGS named Rosita Harbour after the company's whaling ship "Rosita", which anchored in this bay, rejecting the alternate name Allardyce Harbour.