The slave ship Neptune completed the voyage after transporting enslaved Africans to Dominica.

Vessel: Neptune; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 254.3. People recorded in connection with the voyage: Investor: Harrison; Captain: Smith, Jn; Captain: Dawley, Daniel. The voyage began at London on 4 July 1776. Principal recorded place where captives were acquired: Africa, port unspecified (Other Africa). Principal recorded disembarkation place: Dominica, place unspecified. Recorded outcome: Voyage completed as intended.