The slave ship Mariana arrived with enslaved Africans in Brazil. About 303 people had been taken aboard and approximately 284 arrived.

Vessel: Mariana; flag: Portugal / Brazil; rig: Patacho. People recorded in connection with the voyage: Investor: Bastos, José Domingos; Captain: Bastos, Jose de Carvalho. The voyage began at Southeast Brazil, port unspecified. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 38 days. Estimated mortality during the crossing: 6.0%.