The slave ship Thétis departed from Martinique after the slave-trading stage of the voyage.

Vessel: Thétis; flag: France; estimated standardized tonnage: 173.3. People recorded in connection with the voyage: Investor: La Villestreux, de; Captain: Duval, Jean-Ch. The voyage began at Nantes on 5 February 1728. Principal recorded place where captives were acquired: Africa, port unspecified (Other Africa). Principal recorded disembarkation place: Martinique, place unspecified. Recorded duration of the captives' Atlantic crossing: 92 days. Estimated mortality during the crossing: 16.0%. Recorded outcome: Voyage completed as intended.