Waterproof Metal Detectors

Explore what lies beneath the surface with Waterproof Metal Detectors from Serious Detecting. Perfect for beach hunters, river explorers, and underwater treasure seekers, these detectors are built to perform where others can’t — in wet, sandy, or fully submerged environments.

Engineered with advanced waterproof technology, they let you confidently search for coins, jewelry, relics, gold and other treasures in lakes, rivers, and oceans. From shallow surf detecting to full underwater dives, each model delivers accurate target ID, stable performance, and strong depth — even in saltwater or mineralized sand.

Whether you’re a casual beachcomber or a seasoned diver, you’ll find the perfect waterproof detector from trusted brands like Minelab, Garrett, XP, and Nokta — all backed by expert support, fast U.S. shipping, and authorized dealer warranties.

Discover waterproof metal detectors designed to withstand the elements and help you uncover what others miss — from shore to seabed.