Almirantazgo Fjord, also known as Almirantazgo Sound or Admiralty Sound, is a Chilean fjord located in the far south of the country at 54°19′S 69°30′W. The fjord cuts deeply into the west coast of the Isla Grande de Tierra del Fuego, extending southeastwards from the Whiteside Channel, which separates Isla Grande from Dawson Island. Wikipedia