This report documents the excursions in September 2015 to the province of Zeeland. Nine participants investigated the marine mollusc fauna of Gorishoek (Tholen) and Putti’s Place near Goese Sas (Zuid-Beveland) and the land and freshwater molluscs of the Ouwerkerkse Krekengebied (Schouwen-Duiveland) and Rammekenshoek (Zuid-Beveland).