10 Best Underwater Metal Detectors Consumer Guide 2020 [Reviews & Buying Guide]

An underwater metal detector allows you to detect metal at the beach, underground, and even in the water. It has a 100-percent waterproof search coil that cannot be affected by water. The detector is a nice purchase for treasure hunters and archeologists. It is also suitable for police security check, construction, vacation, and more. Getting a quality one is, however, not so simple. And that’s why we have written this consumer report.

Best Underwater Metal Detectors – Reviews & Buying Guide

1. RM RICOMAX Metal Detector for adults

1. RM RICOMAX Metal Detector for adults
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RM RICOMAX Metal Detector can detect silver, bronze, gold, aluminum, iron, and other metals. It weighs 2.31 pounds only and has a stem that is adjustable from 41.3 inches to 47.6 inches. The thoughtfully-designed stem makes this metal detector suitable for people of all ages. What’s more, this detector uses two 9-volt batteries (not included). Plus it is manufactured under strict quality standards and checked thoroughly before shipment.

Key Features
  • IP68 waterproof search coil allows you to use the detector under the water
  • 10” search coil is wide and highly sensitivity
  • Three detection modes include PIN, NOTCH, and DISC
  • 20-percent bigger LCD display screen

2. OMMO Metal Detector for Adults and Kids

2. OMMO Metal Detector for Adults and Kids
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OMMO Metal Detector comes with a carrying bag so you can easily carry it to whichever place you plan to use it. It also comes with a headphone that ensures you hear every tone with utmost accuracy; a shovel to help you dig into the ground and spot the metal, and two 9-volt batteries to power it. As if that’s not enough, this metal detector is backed by a 2-year warranty that protects it against the unfortunate.

Key Features
  • Distinctive audio tone sound makes it easy to spot the metal
  • LCD screen display shows the battery level, sensitivity level, etc
  • 2 detection modes include Pinpoint and Disc
  • 10-inch waterproof search coil makes the detector perfect for the beach and underground

3. Wedigout 100Feet Metal Detector with Vibration LED

3. Wedigout 100Feet Metal Detector with Vibration LED
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With the Wedigout Metal Detector, you will be able to search for and find keys, relics, jewelry, coins, needles, and pins. It is perfect for the beach, public security check, waste iron recovery, archaeology, and mountain. The metal detector is easy to install and use. The manufacturer advises that you tighten the back cover when using it under the water.

Key Features
  • Automatic tuning eliminates the need to adjust anything
  • Pulse Induction Technology allows you to search for metals in water or any type of soil
  • Stainless steel hardware and rugged sealed construction are built to last
  • LED light makes it easy to distinguish the detecting signal

4. Canway Waterproof Metal Detector

4. Canway Waterproof Metal Detector
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Canway Metal Detector comes with a carrying bag, a user manual, and a shovel. The carrying bag makes transporting this metal detector to the beach a breeze, while the user manual provides you with instructions on how to use and maintain the detector. The shovel, on the other hand, allows you to reach for the detected metal quickly and easily. The detector is ideal for yard, stream, beach, and more.

Key Features
  • Stem is adjustable from 33 inches to 40.6 inches
  • Arm rest design makes the metal detector comfortable to use
  • Distinctive audio tones ensure you know what type of metal you have detected
  • Pin-pointer function allows the detector to accurately pinpoint a target

5. Garrett ACE 300 Metal Detector with Waterproof Coil

5. Garrett ACE 300 Metal Detector with Waterproof Coil
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Garrett ACE 300 Metal Detector comes with a submersible search coil. It also comes with 3 freebie accessories, which include Easy stow headphones, a search coil cover, and ACE environmental cover up. The metal detector comes complete so you can use it right out of the box. It measures 10 by 7 by 51 inches. Needless to say, the metal detector is of nice size and you will find it easy to use.

Key Features
  • 5 search modes improve the efficiency of the detector
  • Coin depth indicator makes the detector convenient to use
  • 8 sensitivity and depth adjustments allow you to customize the performance of the detector
  • Ideal for advanced users searching for jewelry, coins, etc

6. MARNUR Metal Detector Kit for Kids and Adults

6. MARNUR Metal Detector Kit for Kids and Adults
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MARNUR Metal Detector Kit includes all the accessories you need to find all kinds of metals. These include a multipurpose folding shovel, two 9-volt batteries, a dust-free cover, a carrying bag, and a handheld rake. The folding shovel comes with a storage bag. Well, this kit is convenient to use, and, therefore, perfect for vacation, travel, hiking, and camping.

Key Features
  • Height is adjustable from 24 inches to 34 inches
  • Headphone jack ensures you detect metals quickly and easily
  • DISC mode enables the detector to eliminate unwanted metals such as zinc and iron
  • 9.84” search coil is highly accurate

7. NATIONAL GEOGRAPHIC PRO Series Metal Detector

7. NATIONAL GEOGRAPHIC PRO Series Metal Detector
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NATIONAL GEOGRAPHIC Metal Detector will help you find buried treasure with ease. It is easy to use and perfect for all ages and skill levels. This means whether you are a beginner or advanced metal searcher, this metal detector should be a frontier for you. It weighs a couple of pounds only; hence, it is great for travel. Furthermore, this detector comes with a 2-year warranty for peace of mind during purchase.

Key Features
  • Lightweight and collapsible design ensures optimum portability
  • 4 sensitivity levels and 3 detection modes
  • Pinpoint location function increases the efficiency of the detector
  • Waterproof 10-inch search coil is large and high-performance

8. Bounty Hunter Tracker IV Metal Detector, TK4

8. Bounty Hunter Tracker IV Metal Detector, TK4
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Bounty Hunter TK4 detects the presence of all metals, including steel, iron, aluminum, brass, silver, and gold. It is made in the USA and operates on two 9-volt alkaline batteries. What’s more, this metal detector weighs 4.2 pounds. It is lightweight, and, therefore, you will find it easy to carry from place to place. The metal detector also features an adjustable length that makes it suitable for adults and kids alike.

Key Features
  • Sensitivity/power control allows you to maximize the depth of detection
  • Mode toggle allows you to quickly switch between Discrimination, Tone, All-Metal modes
  • 8” search coil is 100-percent submersible
  • Built-in speaker ensures sounds are clear and loud enough

9. Sakobs Metal Detector with LCD Display for Adults & Kids

9. sakobs Metal Detector with LCD Display for Adults & Kids
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Sakobs Metal Detector has a large search coil, which is 10 inches in diameter. This is very impressive because the larger the search coil, the higher the sensitivity. Using a highly sensitive metal detector is really recommended because it saves a lot of time. The metal detector comes with a carrying bag and a shovel plus it has a headset jack that works with conventional headsets.

Key Features
  • Waterproof search coil allows you to use the detector under the water
  • 3 operation modes include Disc Mode, All-Metal Mode, and Notch mode
  • Well-thought-out LCD display makes the metal detector easy to use
  • Adjustable and humanized design makes the detector comfortable to use

10. RM RICOMAX Metal Detector with LED Flash Indicators

10. RM RICOMAX Metal Detector with LED Flash Indicators
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The all-metal mode on this metal detector can identify all types of metals, including relics, jewelry, silver, coins, gold, and copper, among others. The detector produces a beep to let you know that metal is nearby. The closer you get to the metal, the stronger the signal becomes. Ideally, this metal detector weighs 2.38 pounds only; hence, it is easy to carry around and use.

Key Features
  • Telescopic stem is adjustable from 35 – 45 inches
  • Padded armrest is ergonomic and makes using the detector a breeze
  • 3.5-millimeter jack on the meter gives you a chance to wear a headphone
  • LED control panel provides you with a clear view in the dark

Buying Guide: The Best Underwater Metal Detector

In this section, we bring you the factors to have in mind when choosing an underwater metal detector.

Waterproofing

The first thing you need to consider when buying an underwater metal detector is whether the search coil is waterproof. Ideally, the search coil should have a high waterproof rating to work efficiently under the water and deliver the expected results. A search coil with an IP68 waterproof is highly recommended.

Detection Modes

Most metal detectors have 3 detection modes. These normally are All-metal Mode, Disc Mode, and Notch Mode. All- metal mode comes in handy when you are looking for all kinds of metals, whereas Disc (discrimination) is useful for searching for particular metals. With that said, you should pick a metal detector with at least 3 modes.

The Size of the Search Coil

A large search coil is the best because its sensitivity is much higher than that of its smaller counterparts. For this reason, make sure the metal detector you are set to buy has a search coil of at least 8 inches in diameter. Such a search coil greatly saves time by allowing you to identify metals much faster than when you are using a small search coil.

Conclusion

Searching for buried treasures is thrilling and fun at the same time. With an underwater metal detector, you will be able to search for buried treasures both on land and in water. This is because the detector has a waterproof search coil that works perfectly at the beach, underground, and in the water.

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