The slave ship Maria Justina arrived with enslaved Africans in Brazil. About 570 people had been taken aboard and approximately 562 arrived.

Vessel: Maria Justina; flag: Portugal / Brazil; rig: Galera. People recorded in connection with the voyage: Captain: Medeiros, Francisco Antônio de; Investor: Medeiros, Antônio José de; Investor: Nepomuceno, Simplício da Silveira. The voyage began at Southeast Brazil, port unspecified. 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: 34 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.