The Top 7 Underwater/Waterproof Metal Detectors in 2017

Search no more for the perfect underwater/waterproof metal detector to get you started in this hobby; read our review of the top 7 models.

Facts You Must Know

If you dream of treasure troves and shipwreck adventures, you can try an underwater expedition. Aside from getting a scuba diver's license, you will need a reliable metal detector to bring with you. This will be your companion down under, helping you find valuable objects that you might not find on land. Add to this the historical value of relics that will make your hunt more meaningful. As the tool plays a major role, you would not want to settle with something of low quality and low functionality. But you might also be overwhelmed by the options and fear that you'd make the wrong choice.

Do not fret. When it comes to underwater/waterproof metal detector, we have a ready list to offer. This is composed of 7 products that are tried and tested by verified online consumers. In this article, we sum up the features, pros and cons, and other details regarding these metal detectors. We handpicked them from some of the top-rated brands in the business, such as Garrett and Bounty Hunter. We also considered that many of you are probably beginners in this hobby. Yet, you would not want to be shortchanged. So we present to you the best if the best. Read on to find more information.

Two things: It's popular and low cost. Now we can say it is popular because it's cheap. But this does not tell the whole story. There is more than meets the eye with the Bounty Hunter Gold Digger Metal Detector. First, it comes from a trusted manufacturer. Second, it sports important settings such as power/sensitivity and eliminator/discrimination controls. A lot of you will perk up their ears for the third detail: it can detect a range of metals from iron relics, coins, and household items to precious metals like silver and gold. True to its name, this bad boy performs well in a variety of environments. If you are just starting out and want to try several areas, this device will definitely serve your needs.

Users have recommended the Bounty Hunter Gold Digger Metal Detector for coin and jewelry hunting, relic hunting, gold prospecting, and utility applications. Its versatility does no end there. It has an adjustable stem to accommodate the needs of all ages and sizes. Kids and adults alike can enjoy the experience through this feature. Taking it out daily is an unavoidable option. Every day you can grab the chance to find a valuable item from your backyard to a heavily-mineralized area. There is nothing to worry about as it is durable enough to withstand the daily grind. There is nothing to get frustrated about as it dishes out fast and accurate detection. And of course, as with most waterproof metal detectors, you can submerge the shaft and coil but not the whole unit.


Technology takes center stage with the Tesoro Sand Shark Underwater Metal Detector. It is one of the best underwater metal detectors on the market today due to its innovative features. Tesoro prides itself with having created the first microprocessor-controlled PI detector in the Sand Shark. This means that its circuitry and single-loop coils will not see changes in saltwater conductivity, a property that typically drives VLF-style models crazy. Further, this means you can use it in wet salt beaches. The Sand Shark is indeed a kick-ass machine for entry-level and veteran hobbyists alike. It employs two modes that aid in personalizing and streamlining your hunt. These are the VCO and normal modes, which we will talk about shortly.

The two operating modes are distinct from each other. VCO is great for ambitious treasure hunts. As the coil nears the spot where a target is buried, the threshold generates a louder, higher-pitched tone. This, by the way, is ideal for pinpointing. On the other hand, the Normal mode creates a single tone which is great for beach-combing and prolonged hunts. The Tesoro Sand Shark has a Pulse Width control that enables you to tune the unit to the best balance of depth, sensitivity, and battery life. Speaking of the latter, this darling machine lasts 10-20 hours depending on your settings. Though it can set you back for several hundred bucks, the Sand Shark is your best bet for a complete underwater exploration.


In bright orange, this Garrett creation is hard to miss underwater, where it can be used up to 10 feet to hunt treasures. It does not require a complicated setup, making it an ideal companion for beginners. If you don't want to fully submerge it in saltwater or freshwater, you can work it on the sides just as perfectly. It offers 3 levels of sensitivity so you can pick up smaller nuggets and such items. It also sports a 360-degree side scan and a scraping blade. On the other hand, a quick button press allows you to tune out environment or narrows detection field. This Fast Retune function yields precise pinpointing of larger targets. Garrett also added the disable feature for the audio. You can go on a vibrate mode only.

In short, it has all the bells and whistles that an underwater detectorist needs. Due to this fact, the Garrett Pro-Pointer reduces the time you spend hunting by at least half. If you are starting out, you might think twice about buying a pin pointer to go alongside your metal detector. But with this one, we assure you that your investment will not go down the drain. The Pro-Pointer performs excellently in wet and dry environments. It comes with ruler marks, LED light, and a lanyard ring. It is a rugged tool that must be in any newbie's arsenal of metal detecting equipment. You can buy it for yourself or your loved ones. You will be sure to do less digging, more finding in any case.


The Vibra-King 750 Underwater Metal Detector connects with the user via light and vibration. This method works well underwater, making this device a must-have while you are diving to find treasures. It sends vibration pulses and a bright blue light to alert you about finds. This state-of-the-art machine lets you search for up to 100 feet. Thanks to its unique sealed design, you can take it under freshwater and seawater without having to worry about its performance. Also featuring automatic calibration, this tool is self-calibrating. Its detection circuitry is microprocessor-controlled, requiring no adjustments of any kind. This proves to be an advantage when your location of choice is the sea, lake, or river, among other bodies of water.

This handheld pinpointing metal detector boasts a sensitive search coil that helps maximize your hunt. It can be paired with a full-sized underwater metal detector or on its own. In large areas, the pairing can definitely pare down your search time. Complement the larger device with this smaller one, which zeroes in on the exact location of the object that has been buried in the sand or mud, or hidden in a hole, among other scenarios. The unit will blink 6 times and vibrate twice, with these alarms going off more often the closer you get to the target. If you want to enhance your metal detecting experience underwater, get the Vibra-King 750 Underwater Metal Detector. If you are just beginning, give it a try or use it as a companion to a larger device.


The Bounty Hunter Tracker IV is a reliable metal detector for beginners. This rugged tool is ideal for hunting in extreme ground conditions. It has all the bells and whistles that will get you started in this hobby. It has an all-metal mode, which you can use to include a wide range of targets. While the discrimination mode and 2-tone audio mode will help you eliminate unwanted targets and detect valuable ones. The preset ground balance will neutralize response to the ground's mineral content. Oh, but the more important piece of information is that you can take this baby out to shallow water. The Tracker IV sports a completely-submersible coil that you can leverage for this purpose,

The Bounty Hunter Tracker IV Metal Detector is also good with depth. It can track buried objects as deep as 18 inches. Results may vary per user and according to ground conditions, but with discipline and practice, you can definitely detect at its maximum depth. The device comes with a pair of headphones that enhance your ability to discern tones. Without it, you can already do well with the signals from your machine. But using it is highly recommended because of its positive effect, especially in canceling noise in loud areas. It is lightweight and easy to use, and prior experience is not necessary to use it. The learning curve is pretty short. For its price, it also serves as a unique gift for all ages.


To immerse yourself fully into the world underwater, find a reliable companion to go on treasure hunts with. The Garrett Sea Hunter Metal Detector is crafted specially for divers who go on such expeditions. Its design comes with 4 configurations in this regard: long stem with the ScubaMate box attached at the hip; long stem with the ScubaMate attached under cuff; long stem with the ScubaMate attached at top; and short stem configuration. Meanwhile, the ScubaMate box includes a jack for headphones, which can be submerged to at most 200 feet. The package also comes with knobs for adjusting Sea Hunter's sensitive trash elimination, threshold, and power level settings. Various straps for attaching the box to the wetsuit are also included.

The Garrett Sea Hunter Metal Detector is a diver's buddy in the world down under. However, it can also be great for detecting on land. If you want to find more nice stuff, you must spend time learning how to maximize the potential of this machine. According to one user, you can learn to pinpoint and calculate size of your target by listening to the tones and strength as well as the area that sets the detector off. The Sea Hunter is not the cheapest metal detector on the market. And yet, with its features and functionality, and its specialized performance underwater, it is one of the best waterproof units out there. Not to mention that it is manufactured by one of the top-rated brands in the industry.


Coming from a well-known brand, the Garrett Ace 250 has gained the trust of many consumers. It is also a kick-ass product, with its own set of functions and features that rival other reputable entry-level models. First, it boasts a large scan area at 10". This enables users to scan an area quickly and accurately. Target retrieval is made fast by the electronic pinpoint feature with coin depth gauge. Hooray for cutting down time spent finding, pinpointing, and digging. Speaking of accuracy, it gets better with the graphic target ID that offers a 12-element notch discrimination. And, of course, the coil is waterproof so you can take this out in wet areas. However, you should be careful not to submerge the entire thing.

The Garrett Ace 250 is great in coin shooting. Even a short trip to your backyard can lead to the discovery of pennies. And the detector pretty much nails the target. The discrimination and sensitivity settings are a tremendous help in eliminating unwanted targets. This device can detect up to 8 inches. In some cases, it can go beyond that. The display offers you many pieces of useful information that you can leverage to your treasure hunting success. It is lightweight. It is easy to assemble and takes about an hour of reading the instructions to get the user acquainted. Pro-tip. Its batteries will last longer if you turn off the device while digging. It comes at an entry-level price. It will prove itself to be a worthwhile investment.


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