Yes, works pretty good in the wet sand (saltwater). Not as deep on NC beaches as a multi frequency machine like a CZ, Sov, White's DFX/V3i, Explorer, etc. It is REALLY good in the dry sand though.Yes, waterproof up to the headphones (unless you've got the underwater phones...then up to 10 feet).Good solid detector. I've never found a single frequency detector as deep in the wet, salty sand as a multiple frequency machine. Freshwater is a different story though!