The slave ship Inmaculada Concepción arrived with enslaved Africans in Uruguay. About 147 people had been taken aboard and approximately 120 arrived.

Vessel: Inmaculada Concepción; flag: Portugal / Brazil; rig: Fregat; estimated standardized tonnage: 160. People recorded in connection with the voyage: Investor: Patrón, Benito; Captain: Copelo, Esteban. The voyage began at Lisbon on 10 September 1801. Principal recorded place where captives were acquired: Bight of Benin, place unspecified. Principal recorded disembarkation place: Montevideo. Estimated mortality during the crossing: 18.0%. Recorded outcome: Returned direct to Africa after bringing enslaved people to the Americas.