Top 10 Best Waterproof Metal Detectors – Buyer’s Guide

Do you want to diversify your diving experience for fun? Then we have what you need: the best waterproof metal detector. With the device, you can look for buried treasure under the water and above the surface.

Whether you invest in a low frequency or pulse detector, the ones available here will provide you with a memorable experience. So go ahead, choose one from the list, and if you have questions that need answering, check out the FAQs at the end.

Table of Contents

10. Bounty Hunter TK4 Tracker IV Metal Detector

The metal detector has an eight-inch search coil for underwater use and makes for a tremendous excavating tool. You can use it to detect silver, steel, aluminum, iron, and gold. The device works with a 9V alkaline battery, and it comes with a knob control interface that is simple to read.

You get three operation modes, and it can distinguish between valuable and unwanted metals. Furthermore, it has sensitivity control to switch between the methods using the toggle flick. So no matter what you want to achieve, this machine has an affordable price and provides you with what you need.

 Bounty Hunter TK4 Tracker IV Metal Detector

Waterproof Metal Detector at a glance:

  • Coil size eight-inches
  • The operating frequency is 6.6 kHz
  • Works with two 9V alkaline battery
  • Dimension 28-inches x 10-inches x 6-inches
  • Weight 4.2 pounds
  • Detects three-feet deep

What we like:

  • It has three operating modes
  • Distinguishes between valuable and non-valuable metals
  • Can detect objects three-feet deep below the surface

What we do not like:

  • Not very accurate

9. KKmoon Waterproof Metal Detector

When you use this waterproof metal detector, finding treasure under the water becomes easier. It can detect valuables up to 30-meter deep in water. The lightweight structure of 1.2 pounds makes it comfortable to use in and out of the water.

The fantastic thing is you do not need headphones with this unit as it has an LED light with a vibrating mechanism to provide accurate readings. Turning the device off is a breeze by tilting it. You can use it in fresh and saltwater with the pulse induction, and it saves you on buying two different devices.

When the battery is low, it informs you with four vibrations.

 KKmoon Waterproof Metal Detector

Waterproof Metal Detector at a glance:

  • Coil size four-inches
  • The operating frequency is 6.8 kHz
  • Works with 9V alkaline battery not included
  • Dimension 16-inches x 4.4-inches x 4.1-inches
  • Weight 1.15 pounds
  • Detects 30-meter deep

What we like:

  • Lightweight and comfortable to use
  • Can use it in fresh and saltwater
  • You need no headphones with this device

What we do not like:

  • Takes a while to detect valuables with the small coil size

8. RM RICOMAX Metal Detector for Adults

To find precious metals, you need a longer search coil, which is what this waterproof metal detector has to offer. It comes with a ten-inch search coil to detect treasure buried deep under the ground.

You get four detection modes to use with different metals and have a wide selection of discrimination tones. You can easily filter out the garbage from valuable items. On the other hand, you can use it with headphones if the surroundings are a bit noisy.

 RM RICOMAX Metal Detector for Adults

Waterproof Metal Detector at a glance:

  • Coil size ten-inches
  • The operating frequency is 6 kHz
  • Works with 9V alkaline battery
  • It has ten levels of sensitivity adjustments
  • Dimension 48-inches x 10-inches x 10-inches
  • Weight 2.31 pounds

What we like:

  • Adjustable stem suitable for young and old to use
  • Made for beginners and professionals to use
  • Lightweight with an extensive search coil

What we do not like:

  • Has low frequency

7. Kuman Pinpointer Water Resistant Metal Detector

For finding long-lost treasure beneath the sea, it helps to have this waterproof metal detector. Furthermore, it has an affordable price to detect all types of metal you can think of. It comes with a 360-degree side scan and shows you the direction with a pinpoint tip.

Moreover, it features high sensitivity to target items above the ground and in the water. Once it detects valuables, it notifies you in seconds. On the other hand, you can tune out external noise to narrow your detection field with a click of a button.

There is an LED light, audio, and vibration alert available in the device. However, the stem, you should not submerge in water but can use it in wet conditions.

 Kuman Pinpointer Water Resistant Metal Detector

Waterproof Metal Detector at a glance:

  • Coil size 9.1-inches
  • The operating frequency is 12 kHz
  • Works with 9V alkaline battery not included
  • Dimension 9-inches x 2.5-inches x 2-inches
  • Weight 0.2 pounds

What we like:

  • Water-resistant
  • Lightweight to use
  • It has a child-friendly design

What we do not like:

  • Not for permanent use under the water

6. Wedigout Metal Detector 100Feet Underwater

Here we have the best mid-budget waterproof metal detector to help you with your treasure hunts. It has a pulse induction mechanism for fun and focusing on finding gold. The construction is stainless steel with a low battery indicator.

It comes with a built-in microprocessor with depth detection and prevents running out of battery power. To make your hunting simpler, it comes with auto turning that needs no added adjustment. Once it detects an item, the light starts to flash bright the closer you get to the target.

 Wedigout Metal Detector 100Feet Underwater

Waterproof Metal Detector at a glance:

  • Coil size pulse induction
  • The operating frequency is 20.28 kHz
  • Works with 9V alkaline battery not included
  • Dimension 17-inches x 4.5-inches x 4.1-inches
  • Weight 0.98 pounds
  • Detection 100-feet

What we like:

  • Fully waterproof
  • It has a high sensitivity level
  • Excellent detection depth
  • You can use it to find any type of metal

What we do not like:

  • Using the battery compartment is tricky

5. DR.ÖTEK IP68 Waterproof Metal Detector Pinpointer

This waterproof metal detector may look like a toy, but it has some fantastic features. You get a one-button used to hunt for different metal items. You can use it to find valuable treasures with its 360-degree pinpointer showing you an accurate location to dig on the target.

With this tool, you can submerge it up to 32-feet in water, making it handy to take with you diving in the ocean or a river. Furthermore, you get a two-year warranty, and it shuts off after five minutes of non-use. It has a four-level LED light and comes at a fraction of the price compared to other models.

 DR.ÖTEK IP68 Waterproof Metal Detector Pinpointer

Waterproof Metal Detector at a glance:

  • Designed with vibration and LED alert
  • The operating frequency is 12 kHz
  • Works with 9V alkaline battery
  • Dimension 11-inches x 2.7-inches x 2.5-inches
  • Weight 0.9 pounds
  • Submersible up to five-feet deep

What we like:

  • IP68 waterproof
  • Lightweight and easy to use
  • Can use it to detect different metals
  • Suitable to use in the ocean or freshwater

What we do not like:

  • The sensitivity is not high

4. Fisher F22 Weatherproof Metal Detector

While not waterproof, this metal detector has a weatherproof design to use in rain or shine. It works with two AA batteries when you are not able to charge it. Furthermore, it comes with an adjustable FE-Tone iron audio that helps set the volume of different metal targets.

You can use it to detect nine segment targets, and it has four operation modes. On the other hand, it comes with a five-year warranty, making it an excellent option if something happens with prolonged use.

 Fisher F22 Weatherproof Metal Detector

Waterproof Metal Detector at a glance:

  • Coil size nine-inches
  • The operating frequency is 7.69 kHz
  • Works with two AA batteries
  • Dimension 22-inches x 8-inches x 5-inches
  • Weight 3 pounds
  • Can buy it with a serrated edge digger

What we like:

  • Giant search coil to find treasures deep underneath the ground
  • You are alerted with the FE-Tone audio system
  • Weatherproof design to use in rain

What we do not like:

  • Expensive

3. Treasure Cove TC-3020 Fortune Finder

This is one of the best waterproof metal detectors from a famous brand. You get auto-ground control to tune out false signals to find valuable items. Furthermore, it has a discrimination mode to find from gold, silver, to iron.

Moreover, it has two more modes to target specific metals or check for all metal types. With the metal detector, you get a high-accuracy, and it has an LCD control panel to program. On the other hand, the device informs you when the battery is low and includes an armrest.

 Treasure Cove TC-3020 Fortune Finder

Waterproof Metal Detector at a glance:

  • Coil size 7.5-inches
  • The operating frequency is 6.6 kHz
  • Works with two 9V alkaline battery
  • Dimension 41-inches x 10-inches x 8-inches
  • Weight 2.5 pounds

What we like:

  • Beginner-friendly
  • Adjustable shaft
  • Easy to use

What we do not like:

  • Not made for professional treasure hunters

2. Bounty Hunter Discovery 3300 Waterproof Metal Detector

This is a trusty metal detector with manual ground balance, four tones, audio, and five operation modes. It comes with a deep-seeking pinpoint mode to provide accurate readings when finding metals.

It has an eight-inch search coil with a waterproof design to use under the water for searching for treasures. The stem is adjustable, and it comes with an 11-segment target ID. On the other hand, it comes with a five-year warranty.

 Bounty Hunter Discovery 3300 Waterproof Metal Detector

Waterproof Metal Detector at a glance:

  • Coil size eight-inches
  • The operating frequency is 6.6 kHz
  • Works with two 9V alkaline battery
  • Dimension 28.3-inches x 10-inches x 6-inches
  • Weight 2.5 pounds
  • You can connect it with headphones

What we like:

  • It has a handy target depth display
  • Works well for detecting different metals
  • Has some handy features

What we do not like:

  • The manual is vague when you are a beginner in treasure hunting

1. Teknetics Delta 4000 Metal Detector

Here is another underwater metal detector to use when diving to find lost treasures. It comes with an adjustable three-tone audio ID and is very sensitive to detect items. Furthermore, it has an alarm system for overload protection.

You can use it to find different metals with the 0.8-inch depth indicator to find your valuables beneath the ground. It is powered with a nine-volt battery to use for up to 24 hours and has an LCD control panel with a two-digit target ID.

 Teknetics Delta 4000 Metal Detector

Waterproof Metal Detector at a glance:

  • Coil size eight-inches
  • The operating frequency is 7.8 kHz
  • Works with 9V alkaline battery
  • Dimension 40-inches x 11.2-inches x 6-inches
  • Weight 3.5 pounds

What we like:

  • Fully submersible
  • Designed with an arc stand to protect it when on the ground
  • Works well to find different types of metal

What we do not like:

  • It does not have a high sensitivity level

FAQs – Frequently Asked Questions About Waterproof Metal Detector:

Here you can find answers to the frequently asked questions related to the product.

Can I use an underwater metal detector on the land?

Yes, you can use it for searching over dirt and sand as it works well above ground and in water. On the other hand, you need to consider the weight as the waterproof metal detector weighs more than those not protected against water.

Can I use a waterproof metal detector if I am a beginner?

If you are a skilled diver, then using an underwater metal detector should not be difficult. But if you have never done scuba diving, you can opt-in a waterproof model to use in and outside the water.

What type of headphones can I use with the metal detector?

When you have a handheld model, there is no need for using headphones as it works with a display or vibration. While underwater models can come with headphones or a waterproof coil to decipher the readings received. Alternatively, you can buy any type of headphones to use with the metal detector.

What factors should I consider when investing in a waterproof metal detector?

You need to look at the coil’s size as the larger it is, the higher the chance of finding treasure under the water or ground. Then consider the type of metal detector you need, as there are two types of waterproof models, one that works with a very low frequency and the other with pulse induction. Also, consider the water depth and if it has a submersible water stem. Lastly, if you plan to use it in saltwater, it is important to check if the model can do this.

Final Thoughts

When you want to do treasure hunting in water, it helps to have the best waterproof metal detector to achieve this. Here you can find different models made for a wide selection of needs to cater to finding valuables. We hope that you find a suitable metal detector here with us.