The slave ship Sr do Bonfim e S João left the African coast carrying enslaved Africans toward Brazil. About 234 people had been taken aboard.

Vessel: Sr do Bonfim e S João; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Loureiro, Joaquim Marques; Investor: Maia, Manoel de Souza. The voyage began at Bahia, place unspecified on 12 November 1804. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 30 days. Estimated mortality during the crossing: 6.0%. Recorded outcome: Voyage completed as intended.