Best Rated Underwater Metal Detectors | Buyer’s Guide

Underwater Metal Detectors are among the pro-level devices and thus quite an investment to form. They usually cost figures on the brink of and upwards of $ 1,000. These devices are commonly amphibious being partly able to function in water and on land. The most important features for these devices is the depth they can scan underwater. 

What happens when you introduce a metal detector to a wet surface? That is when waterproof metal detectors earn their value, with many of them able to be fully submerged. This completely exposes the way most users look for valuables and introduces them to tons of latest features. There is a lot of competition in this category, with brands delivering where it matters the most.

TREASURE COVE 7010 Underwater Metal Detectors

TREASURE COVE 7010 underwater metal detector

Ideal for scuba diving, snorkelling, or wading. Search for treasures while exploring reefs or the shallows of lakes, rivers or streams. Includes incorporated water-proof headsets.  To treasures buried to 8″ Under sediment, it is sensitive. The present-day in latest discriminating technology; audio alarm & red LED flash alert. Operates up to 10 hours with (8) AA batteries (no longer included)period adjusts from 42″ To 48″.


  • Ideal for scuba diving, snorkelling, or wading (can be used on land) — Includes integrated water-resistant headsets
  • 10-inch search coil that works up to ten meters (33 feet) below the water
  • Sensitive to treasures buried up to 8-Inch beneath the sediment
  • The modern-day in cutting-edge discriminating technology; audio alarm & red LED flash alert
  • 15-YEAR BRAND: We stand at the back of the great of each steel detector we sell. Experience counts.
  • COMPLETE SET: Comes with accessory objects such as deliver bag and incorporated waterproof headphones.

KKmoon Metal Detector| 98ft Waterproof Metal Detector

KKmoon Metal Detector| 98ft Waterproof Metal Detector

This detector may be a notable helper within the technique of searching gold and exploration of underwater diving, which can also let you know the presence of the metal item and let you know of the scenario of it with white LED light and vibration alarm

 Specially sealed design permits detection within the rain or underwater, best for divers! Allow searching metallic in water, ashore or in any kind of soil, which include black sand. Communicate with Vibration & Light – LED light sign indicator and vibration indicate the detection of metal.


  • Pulse Induction Technology(PI)- Allow searching metallic in water, ashore or in any form of soil, consisting of black sand.
  •  Target Distancing – As you meet up with to the target, the heartbeat of vibration and light-weight will increase in intensity.
  • Fully 98ft Waterproof Design – Special sealed layout allows detection in the rain or underwater, ideal for divers! Underwater Metal Detecting – Detect the suitable area of buried metallic objects.
  • Automatic Tuning- The state of the artwork microprocessor-controlled layout calls for no adjustment of any kind. Easy to Use – Tilt to reveal on/off and handy to hold with a holster.
  • Stable Detection Depth – Advanced circuitry maintains detection distance at some point of the lifetime of the battery. Note Don’t permit water to enter the battery cover.


Fisher CZ21-8 Metal Detectors Underwater

Fisher CZ21-8 Metal Detectors Underwater

The CZ-21 is housed within the most rugged enclosure and features a collapsible pole assembly. The CZ-21 is submersible to 250 feet. 

The control housing is often easily removed for mounting or it is often chest-mounted with an optional chest harness. The CZ-21 features a reputation for being the simplest saltwater detector ever made but are often utilized in freshwater. The CZ-21 is a multi-frequency metal detector that has adjustable discrimination, is easy to use and designed to handle the toughest mineral concentrations on any salt or freshwater beach. 

The CZ-21 also has Audio Tone Target-ID, a highly sought-after feature that permits users to differentiate iron targets from gold. The CZ-21 delivers!


  • Saltwater or water – submersible up to 250 feet – dual-frequency Fourier domain signal analysis
  • Touch-button., VCO no motion, precise pinpointing – easy manual ground balance – high performance in mineralized soil

RM Ricomax | Handheld Underwater Metal Detectors


RM Ricomax | Handheld underwater metal detector

GC1028 is employed LCD and buttons to exchange dial and knobs which are out of date. Because all the symbols are often displayed in one LCD, more intuitively! Owning this detector, you will find metal detection is very easy and convenient!


  • TRUE DISCRIMINATION MODE – This detector can detect metals including iron, aluminium, gold, bronze, silver and their articles in all-metal mode. Just press the button, you’ll simply set the firing range (Up to eight inches deep) or eliminate the metal you don’t want. Then, you’ll accurately find the certain metal you would like. The crossed frame is for item(s) eliminated and two 9V alkaline batteries are required.
  • HIGHER SENSITIVE & WATERPROOF SEARCH COIL – the larger the search coil is, the upper the sensitivity.
  • MORE INTUITIVE LCD CONTROL BOX – an impact box with LCD will simplify your metal detecting tons. The detection mode, sensitivity level, battery condition, and volume level are often known at a look. The depth of the target is additionally displayed. 
  • PINPOINT FUNCTION & DISTINCTIVE AUDIO PROMPT – There are distinctive audio tones in our detector for various sorts of metal. So after a period of your time use, you’ll tell what sort of metal you’ve detected just by audio tones. and therefore the P/P function enables you to pinpoint a target accurately. Operating steps are written within the manual which comes with the metal finder. All we’ve done is to allow you to find the target more easily!
  • IEDAL for each AGES – Whatever you’re a beginner or a more advanced metal detectorist, this detector is usually suitable for you. For a detector for both adults and youngsters which will use, the RM RICOMAX is right. It’s designed to be easy for anyone to use, regardless of their age or size. The LCD display is making it visibly read its performance. The headphone jack allows you to connect stereo headphones (not supplied) and operate without trouble especially in noisy areas

Garrett Sea Hunter Mark II Underwater Metal Detectors with 2 Search Coils


Garrett Sea Hunter Mark II Underwater Metal Detector with 2 Search Coils

 The Sea Hunter Mark II is a complex microprocessor-driven device that’s lightweight, fairly durable and easy to use. The Sea Hunter’s pulse induction (PI) circuitry provides splendid intensity and permits you to are seeking for out treasure without interference from saltwater and most ground minerals. 

Outstanding Features the ocean Hunter’s excellent performance, custom-designed housing and more than one configurations make it superior to different Underwater Metal Detectors available. Microprocessor-based circuitry within the ocean Hunter provides more sensitivity, faster target response and springs with Garrett’s extraordinary Discrete Target Elimination mode. 


  • Circuit type: Pulse Induction generation for computerized cancellation of salt/ground mineralization
  • Audio Threshold, Adjustable: modify to user’s preference
  • User-adjustable Discrimination/Elimination
  • Discrimination Modes: Two working modes (Standard or Discrete) provide varying ranges of non-ferrous goal discrimination

Allsun Pro Underwater Metal Detectors


Allsun Pro Underwater Metal Detector 

This metal detector is designed using the latest technology. It features a lightweight and is easy to use. It has two detection modes, which are the All-Metal mode and Discrimination mode, and you’ll select the desired mode between them. 


  • WATERPROOF Features a waterproof detection coil, supplying you with the liberty to lower the coil up to 20cm underwater, so you’ll go beneath the surface and simply uncover your treasure!
  • LCD DISPLAY there’s an LCD display on the detector which shows different functions like mode, depth and sensitivity. Low battery indication. It is very easy for you to operate and track. 
  • WIDELY USE The Deep Target Waterproof Metal Detector is great for use by professionals and treasure enthusiasts alike. 
  • USE IT ANYWHERE Perfect for finding metal objects and anywhere that hidden metal needs to be detected. Designed to seek out gold & silver jewellery, coins and other metal within the ground, and may also find land mines.
  • Easy to Assemble All assembly hardware included. No professional tools needed. It can save much time for you

Garrett AT PRO with Underwater Pin pointer Metal Detector

Garrett AT PRO with Underwater Pin pointer Metal Detector

As seen on the television program Diggers, This all-terrain detector offers new and exclusive Garrett technology that creates it ideal for hunting coins, relics, caches, jewellery, and even gold nuggets. 


  • Garrett AT PRO detector – USA Version – with 2 Year Warranty.
  • Highly Recommended – Coin Hunting, Jewelry Hunting, Relic Hunting, Cache Hunting, Prospecting, town Hunting, Competition Events, Beach/Fresh Water Hunting Key Features Pro Mode 
  • Audio: Proportional Audio and Tone Roll Audio features allow the user to listen to characteristics of a target as they might during a True All-Metal Mode. High-Res Iron 
  • Discrimination: Use touchpads to line iron discrimination in one among 40 levels for precise ability to separate good targets from trash. 
  • Iron Audio: Allows the user to listen to discriminated iron and to change the detector’s mid-tone signal’s range Fast Recovery Speed: Allows greater ability to select out good targets amongst trash 
  • All-Terrain Versatility: Weatherproof housing designed for dusty, humid or wet environments; unit are often submerged to a maximum 10-foot depth. 15 kHz frequency: improved detection of small targets, gold nuggets, jewellery Ground Balance: automatic and manually adjustable for improved performance. 

TTLIFE Pulse Induction Underwater PinPointer Waterproof Metal Detector

TTLIFE Pulse Induction Underwater PinPointer Waterproof Metal Detector 

The pulses of vibration increase in frequency because the probe tip approaches the target precision pinpointing. Communicates with vibration & light – When a target is found the PI-iking750 signals with pulses of vibration and flashes of bright white light. Unique sealed design is often utilized in almost any environment, including fresh or saltwater to a depth of 100 feet. This makes it an ideal tool for divers or the beach.


  • Underwater Metal Detecting – Detect the precise location of buried metal objects. Allow hunting metal in water, ashore or in any sort of soil, including black sand. Communicate with Vibration & Light, when a target is found, the PI-iking750 signals with pulses of vibration and flashes of bright white light.
  • Tilt On/Off – The PI-iking750 uses a simple tilt on/off system that eliminates the necessity for fragile push switches.
  • Target distancing – The pulses of vibration increase in frequency because the probe tip approaches the target precision pinpointing.
  • Low battery indicator – inbuilt low battery sensor alerts you when the battery is low and wishes to replace. The low battery turns off: When the battery is low the unit will pack up automatically indicated by four long pulses.
  •  Waterproof – Unique sealed design is often utilized in almost any environment, including fresh or saltwater to a depth of 100 feet. This makes it an ideal tool for divers or the beach.

Buyer’s Guide to Underwater Metal Detectors

  • Brands 

They are made to have the most advantages when searching for objects on the beach, lakes, ocean and or other areas with water.
Low prices products are a big difference from the professional category that has mostly high priced models. Variety in the brands is also big in this category, and you’ll find a lot of new and old names that don’t pop up in other lists. 

  • Best Features

 Waterproof metal detectors have a lot more to offer than their ability to be used in wet areas. Some of these features are even favoured by professionals.

  • Waterproof Stem – Not only is that the search coil waterproof, but so is that the stem. Adjustable stems allow you to extend your home in wet areas to seek out more treasure.
  • Low Price – Most of the products in this category have a low price tag. Even if you choose a starter kit, the price of the kit is still lower than other models.
  • Freshwater & Saltwater Usage – Waterproof metal detectors can go in both types of water without getting damaged. It’s still important to check for saltwater usage since some models don’t support it.
  • Weather Resistance – Waterproof models are naturally strong in rainy weather. Advanced models also incorporate other weatherproof features to round out the sturdiness of the merchandise.
  • Battery Backup – Users that are tired of having to swap out batteries while searching can rest easy with the battery backup feature. It stores an unused extra battery in the device and activates it when the original loses

What do you have to search for during a Waterproof Metal Detector?

Here are a few of the features that should be prioritized when buying a waterproof metal detector.power.

  • Water Depth – determine how deep the merchandise can enter the water. It’s also important to note if the stem is submersible.
  • Audio Support – Models that have support for enhanced audio are better equipped to handle wet conditions. Even two-tone audio is an improvement over the default, with or without the use of headphones.
  • Water Type Support – Saltwater support isn’t always handled by waterproof metal detectors. Having support for it is a big plus and keeps you from damaging the product. Using an unsupported detector in saltwater will damage it or offer you false readings.


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