amazingly, i heard that there were a total of 778 islands, 2 big islands and 776 smaller ones, but you may still want to check some other sources to make sure that the answer is correct
South Georgia
south Georgia
By ship, mainly.
Visit Symi Island in Greece
Visit St. Croix Island in the Virgin Islands
Visit St. Thomas Island, Caribbean
Visit Nantucket Island the Historic Whaling Island