The slave ship Mariana arrived with enslaved Africans in Brazil. About 558 people had been taken aboard and approximately 538 arrived.

Vessel: Mariana; flag: Portugal / Brazil. People recorded in connection with the voyage: Captain: Santos, Félix José dos; Investor: Santos, Félix José dos; Captain: Perfeito, Joaquim Albino Gonçalves. The voyage began at Rio de Janeiro. Principal recorded place where captives were acquired: Lourenço Marques (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 41 days. Estimated mortality during the crossing: 4.0%. Recorded outcome: Voyage completed as intended.