The slave ship Maria Justina departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

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 Rio de Janeiro on 22 September 1824. Principal recorded place where captives were acquired: Ambriz (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: 3.0%. Recorded outcome: Voyage completed as intended.