The slave ship Neptune arrived with enslaved Africans in Martinique. About 350 people had been taken aboard and approximately 347 arrived.

Vessel: Neptune; flag: Great Britain; rig: Ship; estimated standardized tonnage: 216. People recorded in connection with the voyage: Investor: Earle, Thomas; Captain: Earle, William; Investor: Earle, William; Investor: Coupland, William; Investor: Pickthall, Robert; Captain: Ireland, Nathaniel; Captain: Jolly, Thomas; Investor: Jolly, Thomas; Investor: Molyneux, Edmund. The voyage began at Liverpool on 31 July 1796. Principal recorded place where captives were acquired: Calabar (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Martinique, place unspecified. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.