The slave ship Sainte Marie de Grâce left the African coast carrying enslaved Africans toward Martinique. About 172 people had been taken aboard.

Vessel: Sainte Marie de Grâce; flag: France; estimated standardized tonnage: 164.3. People recorded in connection with the voyage: Investor: Passart, J-Fr; Captain: Gautier, Guillaume; Captain: Normand, René. The voyage began at Nantes on 6 March 1729. Principal recorded place where captives were acquired: Gold Coast, port unspecified. Principal recorded disembarkation place: Martinique, place unspecified. Estimated mortality during the crossing: 4.0%. Recorded outcome: Voyage completed as intended.