The bathymetry of the Aleutian Islands is poorly described and relatively unknown, considering that it and the rest of Alaska have been part of the United States since 1867. Part of the reason for this lack of information is that Russian and European navigators were late to explore and map the Aleutians, along with other parts of Alaska. Another reason is the vastness and complicated distribution of the Alaska mainland and island areas, with more shoreline than the continental U.S. (Jones 1918). Alaska, and especially the Aleutians, has remained relatively unpopulated and is remote from major population centers since this early period of exploration. Despite these negative factors, the Aleutian waters support important fisheries (Aleutian Islands Ecosystem Team 2007) and the Aleutian chain is crossed twice by about 3,100 commercial vessels each year (Nuka Research and Planning Group, LLC. 2006) while plying the great circle route between the Strait of Juan de Fuca and Asia (Jones 1918; Fig. 1).