The slave ship Marlborough departed from Grenada after the slave-trading stage of the voyage.

Vessel: Marlborough; flag: Great Britain; rig: Ship; estimated standardized tonnage: 272.3. People recorded in connection with the voyage: Captain: Marshall, John; Investor: Farr; Investor: Farr, Richard (Jr). The voyage began at Bristol on 29 June 1770. Principal recorded place where captives were acquired: Anomabu (Gold Coast). Principal recorded disembarkation place: Grenada, place unspecified. Recorded outcome: Voyage completed as intended.