The slave ship Mariana arrived with enslaved Africans in Brazil. About 400 people had been taken aboard and approximately 400 arrived.

Vessel: Mariana; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Santos, Félix José dos; Investor: Santos, Félix José dos; Captain: Maia, José Ferreira. The voyage began at Rio de Janeiro on 1828. Principal recorded place where captives were acquired: Mozambique (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 42 days. Recorded outcome: Voyage completed as intended.