The slave ship Alerta arrived with enslaved Africans in Cuba. About 297 people had been taken aboard and approximately 267 arrived.

Vessel: Alerta; flag: Spain / Uruguay; rig: Fregat. People recorded in connection with the voyage: Captain: Atalaya, Cayetano de; Captain: Marrero, Ramon; Investor: Morán, Blas. The voyage began at Havana on 2 May 1811. Principal recorded place where captives were acquired: Africa, port unspecified (Other Africa). Principal recorded disembarkation place: Havana. Recorded duration of the captives' Atlantic crossing: 70 days. Recorded outcome: Vice-Admiralty Court, Bahamas, restored.