Across Canal Dalcahue, a newly paved road follows the center of elongated Isla Quinchao as far as Achao [1], where it continues as a gravel road to its southeastern tip. Buses from Castro [2] to Achao [1] use the ferry to cross to the island.
Links:[1] http://www.moon.com/destinations/chile/sur-chico/insular-chiloe/isla-quinchao/achao [2] http://www.moon.com/destinations/chile/sur-chico/insular-chiloe/castro