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

Vessel: Portland; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Captain: Gawith, Samuel; Investor: Gawith, Samuel; Investor: Pownal, William; Investor: Beckwith, John; Investor: Benson, John; Investor: Postlethwaite, John. The voyage began at Liverpool on 26 July 1765. Principal recorded place where captives were acquired: Mano (Sierra Leone). Principal recorded disembarkation place: Grenada, place unspecified. Recorded outcome: Voyage completed as intended.