The slave ship S Antônio do Vale da Piedade departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: S Antônio do Vale da Piedade; flag: Portugal / Brazil; rig: Curveta. People recorded in connection with the voyage: Investor: Caldas, Antônio José de; Captain: Ferreira, João Basílio. The voyage began at Bahia, place unspecified on 9 May 1781. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded outcome: Arrived in Africa, subsequent fate unknown.