The Portuguese soon brought slaves from the West African coast. Positioned on the great trade routes between Africa, Europe, and the New World, the archipelago prospered from the transatlantic slave trade, in the 16th century. Settlements started to appear on other islands, São Filipe was founded in 1500, Ponta do Sol, Ribeira Grande was founded in the mid 16th century, its first settlers also arrived in Madeira, Ribeira Brava on São Nicolau, Povoação Velha on Boa Vista was later founded, Furna, Nova Sintra on Brava and Palmeira on Sal.