The slave ship Mermaid (a) Sirena departed from Argentina after the slave-trading stage of the voyage.

Vessel: Mermaid (a) Sirena; flag: Great Britain; rig: Ship; estimated standardized tonnage: 431.1. People recorded in connection with the voyage: Investor: Hall, Thomas; Captain: Butler, John Buller; Investor: Chapman, William. The voyage began at London on 31 March 1732. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Buenos Aires. Recorded outcome: Voyage completed as intended.