Diving in The Netherlands - Underwater photographs taken at dive sites "Het Grasbroek" en "De Grevelingen". - http://home.planet.nl/~fortgent/Diving/Netherlands/Dive_Netherlands.htm
PiMia Diving Club - PiMia Diving is a Dutch IANTD and PADI diving club located in Vinkeveen. Holland's deepest freshwater lake is here (50 meters), with the best visibility. - http://www.pimia.nl/en
Randstad Harings Diving Club - Branch 1913 of the BSAC is based in The Hague, and welcomes both new and experienced divers. - http://www.randstad-harings.demon.nl