A Complete Guide to Underwater Metal Detecting: Selecting The Best Metal Detector For Water

A Complete Guide to Underwater Metal Detecting: Selecting The Best Metal Detector For Water

Underwater metal detecting is an activity that has been gaining in popularity over the last few years. Not only can it be a fun way to spend your time, but it also offers great rewards: coins, jewelry, and artifacts from long-lost items! But before you strap on the scuba gear and get ready for a search underwater, there are some essential tips and strategies you should understand first. From selecting the right equipment to ensuring safety is always your top priority - this guide covers everything you need to know about underwater metal detecting for beginners. Dive into this comprehensive guide below to find the best metal detectors.

What is Underwater Metal Detecting?

Underwater metal detecting is a fascinating underwater activity that entails searching for submerged metal objects using specialized tools and equipment. This hobby boasts a rich history and dates back to the early 1950s when scuba divers first started exploring the depths of the oceans to find lost treasures and artifacts.

Individuals utilize various waterproof metal detectors designed for use in different water conditions to engage in this activity. The most common metals detected during underwater metal detection include gold, silver, copper, and bronze.

Underwater metal detecting enthusiasts explore various places, including oceans, rivers, lakes, and other water bodies. Some of the most popular sites to explore are shipwrecks, lost artifacts, and ancient ruins.

While underwater metal detecting attracts treasure hunters and history buffs, research institutions and archaeologists rely on this technique to unearth valuable historical artifacts and information that enlightens our knowledge of the past.

All in all, underwater metal detecting is a thrilling and fascinating activity that requires skill, patience, and determination, and it's an excellent way to explore the mysteries and beauty of the underwater world.

Why Start Underwater Metal Detecting?

The excitement of exploring the unknown beneath the waves and discovering lost treasures are just a few reasons people are drawn to this activity.

One of the benefits of underwater metal detecting is the opportunity to preserve history and discover artifacts that have been lost for decades if not centuries. From ancient coins and jewelry to military relics and even sunken ships, the underwater world offers endless possibilities for exploration and discovery.

In addition to its historical significance, underwater metal detecting is also an excellent form of exercise. The weight of the equipment and the effort required to navigate through the water can provide a full-body workout while also stimulating the mind.

Another advantage of underwater metal detecting is the potential for financial gain. Depending on the artifacts discovered, selling or auctioning items for a significant amount of money is possible. However, it is important to note that commercial metal detection without proper permits is illegal in many regions.

Underwater metal detecting provides a unique and exciting opportunity to explore the ocean's depths while discovering hidden treasures and contributing to preserving history.

How Does Underwater Metal Detector Work?

An underwater metal detector, as the name suggests, is a device that can detect metal underwater and is commonly used in marine archaeology and underwater exploration. The metal detector works on the principle of electromagnetism, the same principle used in metal detectors for land use.

The metal detector uses a coil submerged beneath the water's surface. When the coil comes into contact with a metallic object, it creates a magnetic field around that object, which is then detected by the detector.

Waterproof metal detectors come in many different shapes and sizes. Some devices have a built-in display that shows the location and type of metal detected. Other metal detectors are more compact and require an external display to show the same information.

The depth to which an underwater metal detector can detect metal depends on the strength of the magnetic field it creates. The deeper the metal is buried, the weaker the magnetic field. Additionally, saltwater can impact the ability of the detector to detect metal, so it's important to consider this factor when choosing an underwater metal detector.

Waterproof metal detectors work by creating a magnetic field around metal objects. They are widely used in marine archaeology and underwater exploration and come in various shapes and sizes with different features and sensitivity levels. A metal detector with pinpointer and waterproof feature, accurately finds the metals. From pulse induction metal detectors to VLF metal detectors, find the best waterproof metal detector by checking out these options.

Some of the Best Waterproof Metal Detectors are:


NOKTA MAKRO SIMPLEX+ is an exceptional underwater metal detector with cutting-edge features and technology. With superior auto ground balancing and preset search modes, this turn-on & go detector is incredibly easy to use, even for beginners. Its beach mode is ideal for searching for coins, artifacts, and jewelry on sandy beaches and shallow waters. What's more, SIMPLEX+ is an incredibly cost-effective detector with a durable and modern design that excels in underwater metal detecting and on land. Compact, lightweight, and versatile, NOKTA MAKRO SIMPLEX+ is the perfect detector for anyone exploring the land and underwater metal-detecting adventures.


The renowned metal detector manufacturer XP has taken the metal-detecting world by storm again with their latest offering, the XP DEUS II. This wireless, multi-frequency metal detector boasts unique features and unparalleled performance, making it a game-changer in the industry.

The XP DEUS II has a radio protocol system that ensures seamless communication between the coil, remote control, headphones, and pinpointer. The target signals generated by the search coil are transmitted to the headphones without delay, giving the DEUS II unmatched speed and accuracy.

This versatile metal detector can perform exceptionally in all terrains and conditions, whether on land or at sea, thanks to the FMF® (Fast Multi-Frequency) technology. The DEUS II is perfect for treasure hunters looking for coins, artifacts, and jewelry, making it an ideal choice for both beginners and expert prospectors.


Garrett AT MAX is a top-notch metal detector currently available in the market. Engineered with advanced technology, this metal detector can perform efficiently in every weather condition and can detect metals up to a depth of 10 feet underwater. The device operates on a 13.6 kHz frequency range and features a high-resolution display with an advanced graphic target analyzer for better target identification. Moreover, the metal detector boasts multiple modes. It also features automatic and manual ground balance adjustments and built-in Z-Lynk wireless technology, making it extremely easy to use. Overall, it's an excellent choice for professional metal-detecting enthusiasts who want to explore underwater treasures.


Garrett AT Pro is one of the most versatile and reliable underwater metal detectors on the market. This machine can be used for both saltwater and freshwater detecting, making it perfect for detecting gold, coins, and relics in any environment. It is also equipped with advanced features such as Iron Audio, which allows the user to hear discriminated iron targets, and Pro-Mode Audio, which provides great target separation. The Garrett AT Pro is also waterproof to a depth of 10 feet, making it ideal for shallow-water hunting. This Garrett metal detector has received many positive reviews from customers and is a great option for both beginners and advanced treasure hunters.


The Minelab Excalibur II is considered one of the best Minelab metal detectors in the market due to its incredible versatility and advanced technology. With its superior detection capabilities, this detector can reach depths of up to 200 feet, making it ideal for deep-sea exploration and treasure hunting. It is equipped with multiple frequencies and settings to enable the user to detect a wide range of metals, including gold, silver, and platinum. Furthermore, the device has been designed to be lightweight and rugged, with features such as a waterproof headset and long battery life to ensure maximum convenience and usability. Overall, the Minelab Excalibur II is an accurate metal detector, making it a top choice for hobbyists and professionals alike seeking a reliable and efficient underwater detector.


One of the best underwater metal detectors on the market today is the Minelab Equinox 700. This submersible metal detector is perfect for both land and water use with its versatile range of features. With its multi-frequency technology, the Minelab Equinox 700 can work in a wide range of environments, detecting all types of metals, including gold, silver, and copper. It also has a waterproof design that allows for submersion up to 5 meters for scuba diving and water sports enthusiasts. The customizable settings and advanced capabilities make the Minelab Equinox 700 a top choice for professional treasure hunters and hobbyists alike. You can buy metal detectors online and start your treasure hunt.


Underwater metal detecting is an incredibly fun and exciting hobby that can provide real rewards. Not only will you gain a newfound appreciation for our beautiful oceans and lakes, but you'll also get to explore them in a unique way. There are so many wonderful things to find beneath the depths, from coins to jewelry, to old relics - making each dive all the more special. You never know what secrets the deep sea might hold! Just remember to always be safe when engaging in this activity by adhering to safety protocols set forth by your local governing board. Have fun and happy underwater metal-detecting adventures!

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