The slave ship Prince Grasse left the African coast carrying enslaved Africans toward Guadeloupe. About 417 people had been taken aboard.

Vessel: Prince Grasse; flag: France; estimated standardized tonnage: 236.3. People recorded in connection with the voyage: Investor: La Clauserie, Bertrand de; Captain: Durocher-Rochel. The voyage began at Nantes on 23 October 1764. Principal recorded place where captives were acquired: Loango (West Central Africa and St Helena). Principal recorded disembarkation place: Basse-Terre. Recorded duration of the captives' Atlantic crossing: 46 days. Estimated mortality during the crossing: 3.0%. Recorded outcome: Voyage completed as intended.