The slave ship Comerciante arrived with enslaved Africans in Brazil. About 372 people had been taken aboard and approximately 370 arrived.

Vessel: Comerciante; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Nobre, Francisco Inácio da Siqueira; Investor: Sobrinho; Investor: Moreira; Captain: Almeida, Manoel Joaquim de. The voyage began at Bahia, place unspecified on 7 March 1818. Principal recorded place where captives were acquired: Congo River (West Central Africa and St Helena). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 19 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.