Southern Cross Cruises. This tour company runs a number of one-hour sailings (A$15) around Lake Burley Griffin on the MV Southern Cross as well as a two-hour cruise that includes a tour of Government House gardens (A$23). Three-course Thursday dinner cruises and Sunday lunch cruises cost A$70. Southern Cross Club, Lotus Bay, 1 Mariner Pl. off Alexandrina Dr., Yarralumla, Canberra, Australian Capital Territory, 2600. 02/6273–1784; www.cscc.com.au. From A$15.