The slave ship Comerciante departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: Comerciante; rig: Bergantim. People recorded in connection with the voyage: Investor: Nobre, Francisco Inácio da Siqueira; Investor: Sobrinho; Investor: Moreira; Captain: Braga, Isidoro Martins. The voyage began at Bahia, place unspecified on 22 February 1817. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 22 days. Estimated mortality during the crossing: 0.6%. Recorded outcome: Voyage completed as intended.