Summary - The non-marine malacofauna of St. Martin is critically revised. Forty-seven terrestrial taxa and 7 freshwater taxa are accepted as being part of the non-marine malacofauna. The fauna is compared with the fauna of the much less known islands of Saint-Barthélemy and Anguilla. Pleurodonte guadeloupensis martinensis is described as a new subspecies, endemic for St. Martin.
Key words - Gastropoda: Annulariidae, Pleurodonte guadeloupensis martinensis subspec. nov., checklist, Anguilla, Saint-Barthélemy, St. Martin, Caribbean.