Chiloé Island in Chilean Patagonia – October 9th, 200942.5S 73.9W
West of the Andes Mountains, two large bays south of the port city of Puerto Montt and Reloncaví Sound separate Chiloé Island from the Chilean mainland. These are the Gulf of Ancud (above) and the Gulf of Corcovado (below), a foreland basin that has been carved out by Quaternary glaciers.
Chiloé Island (Spanish: Isla de Chiloé), also known as Greater Island of Chiloé (Isla Grande de Chiloé), is the largest island of Chiloé Archipelago off the coast of Chile, in the Pacific Ocean. The island is located in southern Chile, in the Los Lagos Region.
Chiloé Island (8,394 km², 3241 sq mi), is the second largest island in Chile (and the fifth largest in South America). The island is 190 km (118 mi) from north to south, and averages 55–65 km wide (35 to 40 mi).