Sand and water of recreational waterbodies, such as sea, river or lake beach sites, have been shown to harbour microorganisms. 1,2 Moreover, the latter have also been shown to possibly affect human health, acting as source for enteric infections caused by faecal contamination of sand from human or animal origin. 1,3 It should be added that accumulation of data on possible faecal contamination of beaches led to the initiation of regulatory measures to monitor sand/water contamination by checking for the