There are several rocks and islets off the coast , including : Castle Rock , Speery Island , the Needle , Lower Black Rock , Upper Black Rock ( South ) , Bird Island ( Southwest ) , Black Rock , Thompson 's Valley Island , Peaked Island , Egg Island , Lady 's Chair , Lighter Rock ( West ) , Long Ledge ( Northwest ) , Shore Island , George Island , Rough Rock Island , Flat Rock ( East ) , the Buoys , Sandy Bay Island , the Chimney , White Bird Island and Frightus Rock ( Southeast ) , all of which are within one kilometre ( ) of the shore .
There are several rocks and islets off the coast , including : Castle Rock , Speery Island , the Needle , Lower Black Rock , Upper Black Rock ( South ) , Bird Island ( Southwest ) , Black Rock , Thompson 's Valley Island , Peaked Island , Egg Island , Lady 's Chair , Lighter Rock ( West ) , Long Ledge ( Northwest ) , Shore Island , George Island , Rough Rock Island , Flat Rock ( East ) , the Buoys , Sandy Bay Island , the Chimney , White Bird Island and Frightus Rock ( Southeast ) , all of which are within one kilometre of the shore .