G.S.D.C. Ad Fundum Have you ever wanted to find out more about the fascinating underwater world? Join Ad Fundum, the scuba diving club for students! We offer fun diving weekends and holidays, and a host of other enjoyable activities! At Ad Fundum, diving lessons and further training are affordable because you get to use the club’s more expensive equipment. Take a look at the website of G.S.D.C. Ad Fundum. G.B.D. Calamari The Groningen Biologen Duikvereniging (“Groningen Biologists Diving club”) Calamari is a friendly diving club for students that focuses on life underwater. We regularly organize diving weekends in the Groningen area as well as in Zeeland. In addition, we offer scuba diving training and/or open swimming sessions twice a week. Afterwards, we often hit the pub! Take a look at the website of G.B.D. Calamari.