Santa Marija Caves is a cave and reef dive site near Valletta, Malta, in the Mediterranean Sea. Divers reach it by boat, at depths of around 8 to 20 metres. It is rated a beginner site, though the caves are an overhead environment. At least 10 caves are known here for divers to explore. Cephalopods and nudibranchs are occasionally seen, along with moray eels and crustaceans.