San Juan Bautista is the main town on Robinson Crusoe Island, part of the Juan Fernández Islands, Valparaíso Province, Chile, and is the primary human settlement within the island chain. Some sources say the town was founded in 1877, while others give an earlier date of 1750. It is located at Cumberland Bay, on the central northeastern coast. Ship Logs from …San Juan Bautista is the main town on Robinson Crusoe Island, part of the Juan Fernández Islands, Valparaíso Province, Chile, and is the primary human settlement within the island chain. Some sources say the town was founded in 1877, while others give an earlier date of 1750. It is located at Cumberland Bay, on the central northeastern coast. Ship Logs from American whalers report transporting prospective colonists and their baggage to the Island on June 19th, 1844.