It is located on the southern coast of the island of Tierra del Fuego in a wide bay, guarded on the north by the Martial mountain range and on the south by the Beagle Channel. Its population in 1999 was estimated at 57,300
The tourist attractions include the Tierra del Fuego National Park to see Lapataia Bay; the park can be reached on the End of the World Train (Tren del Fin del Mundo) from Ushuaia. The city has a museum of Yamana, English, and Argentine settlement, including its years as a prison colony.