Puerto Williams

Argentina / Tierra del Fuego / Ushuaia /
 city, city centre
Puerto Williams (Spanish for "Port Williams") is a Chilean port, located on Isla Navarino facing the Beagle Channel. It is the capital of the Chilean Antarctic Province, one of four provinces located in the Magallanes and the Chilean Antarctic Region.
The southernmost town in the Americas
Wikipedia article: http://en.wikipedia.org/wiki/Puerto_Williams
Nearby cities:
Coordinates:   54°56'6"S   67°35'44"W