The slave ship Mariana arrived with enslaved Africans in Brazil. About 520 people had been taken aboard and approximately 520 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: Santos, José Vitorino dos. The voyage began at Rio de Janeiro on 18 May 1826. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 27 days. Recorded outcome: Voyage completed as intended.