Isla Grande de Tierra del Fuego
The commune also includes all islands west of the "Isla Grande de Tierra del Fuego" and north of Cockburn and Magdalena channels. These are mostly uninhabited and among them are: Isla Capitán Aracena, Clarence Island (south), Desolación Island, and Dawson Island (southeast). To the northwest, the peninsula borders the commune of Laguna Blanca, and in the northeast, San Gregorio.