The slave ship Neptune departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Dominica.

Vessel: Neptune; flag: Great Britain; rig: Barque; estimated standardized tonnage: 111. People recorded in connection with the voyage: Captain: Heatley, Robert; Investor: Heatley, Robert; Captain: Sharpless, Thomas; Investor: Sharpless, Thomas; Captain: Wyatt, William. The voyage began at London on 1 September 1791. Principal recorded place where captives were acquired: Gambia (Senegambia and offshore Atlantic). Principal recorded disembarkation place: Dominica, place unspecified. Recorded outcome: Voyage completed as intended.