The slave ship Neptune departed from U.S. Virgin Islands after the slave-trading stage of the voyage.

Vessel: Neptune; flag: Great Britain; rig: Ship; estimated standardized tonnage: 216. People recorded in connection with the voyage: Investor: Joseph, Abraham; Investor: Morley, Morris Lewin; Investor: Moore, Thomas; Captain: Williams, Joseph. The voyage began at Liverpool on 29 October 1798. Principal recorded place where captives were acquired: Calabar (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: St Croix. Recorded outcome: Voyage completed as intended.