In colonial times the Gulf of Corcovado was a major obstacle that prevented major contact between the Spanish settlers in Chiloé Archipelago and the southern Chonos living in the archipelagoes of Guaitecas and Chonos.
The Gulf of Corcovado was a significant geographical obstacle that hindered communication and interaction between Spanish settlements in the Chiloé Archipelago and the southern Chonos communities inhabiting the Guaitecas and Chonos islands during colonial times.