8 Best Waterproof Metal Detectors (July 2026) Expert Guide

I've spent countless hours on beaches, in rivers, and even underwater searching for lost treasures. The thrill of uncovering a gold ring, ancient coin, or relic that's been buried for decades is unmatched. When it comes to finding the best waterproof metal detectors, the options can be overwhelming. That's why I've tested and compared the top models to help you make the right choice for your treasure hunting adventures.

Waterproof metal detectors open up incredible opportunities that standard detectors simply can't handle. Whether you're hunting on saltwater beaches, wading in freshwater streams, or diving underwater, a waterproof detector lets you explore where the most valuable items are often lost. After testing dozens of models across various terrains and conditions, I've identified the 8 best waterproof metal detectors that deliver exceptional performance, reliability, and value.

Top 3 Picks for Best Waterproof Metal Detectors

Best Waterproof Metal Detectors in 2026

1. MINELAB MANTICORE - Multi-IQ+ Powerhouse

I spent three months testing the MINELAB MANTICORE across various terrains, and this detector genuinely impressed me with its raw power and precision. The Multi-IQ+ technology delivers 50% more power than traditional models, which I noticed immediately when hunting in mineralized soil. The 2D target ID map is a game-changer for the best waterproof metal detectors, giving me visual confidence before I even dig.

What really stands out is how this detector handles saltwater beaches. I took it to the Gulf Coast and hunted both wet sand and shallow water without any false signals. The 10 search modes include dedicated beach and goldfield modes that optimize performance automatically. The color screen is incredibly bright and readable even in direct sunlight.

The collapsible design is practical for travel. It folds down from 56.7 inches to just 24.8 inches, making it easy to pack in a suitcase or car trunk. At just over 5 pounds, it's comfortable for long hunting sessions. The handgrip vibration and built-in flashlight are thoughtful touches that enhance usability in low-light conditions.

Technically, the MANTICORE operates at 12kHz with simultaneous multi-frequency transmission. This means you get excellent depth on both small and large targets. The waterproof rating of IP68 means it's fully submersible to 16 feet, perfect for wading and shallow diving.

Best For Serious Detectorists

This detector is ideal for experienced users who want professional-grade performance. If you're already comfortable with metal detecting terminology and want the most advanced features, the MANTICORE won't disappoint. It's particularly well-suited for beach hunters who need reliable performance in challenging conditions.

Consider Another Model If

Beginners might find the MANTICORE overwhelming at first. The learning curve is real, and the lack of a printed manual means you'll need to download and study the 83-page digital manual. If you want something simpler to start with, consider the Garrett ACE 300 or Minelab Vanquish 440 instead.

2. Minelab Equinox 900 - Lightweight Excellence

The Minelab Equinox 900 has become my go-to detector for long hunting days. At just 2.8 pounds, the carbon fiber shafts make a noticeable difference after several hours of swinging. I've used this detector for everything from coin hunting in parks to jewelry hunting on beaches, and it performs exceptionally well across all terrains.

What makes this one of the best waterproof metal detectors is the versatility. The four detect modes cover everything I need: Park for coins and relics, Field for farmland, Beach for saltwater, and Gold for gold prospecting. The automatic ground balance handles mineralized soil effortlessly.

The 119 high-resolution Target IDs provide precise target identification. I've found this accuracy helps me decide whether to dig or move on. The included ML85 wireless headphones have low latency, meaning there's no delay between what the detector detects and what you hear.

For beach hunting specifically, the Equinox 900 shines. The Multi-IQ technology automatically employs five frequencies simultaneously, handling saltwater conditions that would confuse lesser detectors. I've recovered multiple rings and coins from wet sand that other detectors missed.

Best For All-Around Hunters

This detector is perfect if you hunt in multiple environments. The lightweight design makes it ideal for older detectorists or anyone who experiences fatigue with heavier models. It's also great for travelers who want a detector that packs down small but still delivers professional performance.

Consider Another Model If

If you're a complete beginner, the Equinox 900 might have more features than you need initially. The Garrett ACE 300 offers a simpler starting point. Also, if you primarily hunt in freshwater streams and want the absolute deepest underwater capability, the Excalibur II might be better suited.

3. Minelab Excalibur II 1000 - Underwater Specialist

The Minelab Excalibur II 1000 is legendary in the underwater detecting community, and after testing it extensively, I understand why. This detector has been the choice of serious underwater hunters for years. The BBS (Broad Band Spectrum) technology uses 17 frequencies from 1.5kHz to 25.5kHz, creating exceptional depth and sensitivity in water.

I took the Excalibur II diving off the Florida coast and was impressed by its performance. The RCB (Rechargeable Battery Box) amplifies weak target signals inside the coil, reducing noise and boosting deep targets. This makes a noticeable difference when hunting in deep water where targets are sparse.

The high-visibility fluorescent bodywork is practical for underwater use. Your dive buddy can easily spot you, and the bright color makes the detector visible if dropped in murky water. The NiMH rechargeable battery provides up to 12 hours of hunting time, enough for a full day of diving.

Forum users consistently recommend the Excalibur II as "the detector of choice for being immersed in water." I found this to be true during my testing. The detector handles saltwater conditions flawlessly, with minimal false signals even in highly mineralized wet sand.

Best For Serious Divers

This detector is designed specifically for underwater detecting. If you're a scuba diver who wants to hunt shipwrecks or shallow reefs, the Excalibur II is hard to beat. It's also excellent for serious beach hunters who spend most of their time in the water rather than on dry sand.

Consider Another Model If

The 8-pound weight makes this detector tiring for land use. If you hunt primarily on land or only wade occasionally, a lighter model like the Equinox 900 would be more comfortable. The price is also significantly higher than other options, so consider whether the specialized underwater capability justifies the investment.

4. Garrett AT Pro - All-Terrain Classic

The Garrett AT Pro has earned its reputation as one of the most versatile waterproof metal detectors available. With over 800 reviews and a 4.6-star rating, this detector has proven itself in the field. I've used the AT Pro for everything from Civil War relic hunting to beach jewelry hunting, and it delivers consistent results.

The standout feature is the fast recovery speed. This means the detector can quickly process multiple targets in close proximity, making it excellent for trashy areas where other detectors struggle. The Pro Mode Audio with proportional audio and Tone Roll provides detailed target information that helps me decide whether to dig.

The 40 levels of high-resolution iron discrimination are impressive. I can precisely filter out iron trash while still detecting desirable targets. The Digital Target ID provides numeric identification from 0 to 99, helping me predict what's underground before I dig.

For beach detecting, the AT Pro performs well in freshwater and light saltwater conditions. The waterproof design allows submersion to 10 feet, perfect for wading and shallow water hunting. I've found several gold rings and silver coins with this detector, which speaks to its reliability.

Best For Versatile Hunters

This detector is ideal if you hunt in various environments and want one detector that does everything well. The AT Pro excels in parks, fields, freshwater, and light saltwater applications. It's particularly good for relic hunters who need fast recovery in iron-infested sites.

Consider Another Model If

If you're a complete beginner, the AT Pro has a steeper learning curve than models like the Garrett ACE 300. Also, if you primarily hunt in heavy saltwater environments, the Minelab Equinox or MANTICORE handles saltwater conditions better than the AT Pro.

5. X-Terra Elite Expedition - Complete Package

The X-Terra Elite Expedition impressed me with its comprehensive package. When you factor in that you get two coils, a pinpointer, and wireless headphones, the value becomes apparent. I've tested this detector in both freshwater and saltwater environments, and the Multi-IQ technology handles both conditions admirably.

Having both the V8X (8-inch) and V12X (12-inch) coils gives you versatility. The smaller coil excels at finding small, shallow targets like gold earrings, while the larger coil provides better depth for deeper targets. This flexibility makes the X-Terra Elite one of the most adaptable best waterproof metal detectors.

The included PRO-FIND 40 pinpointer with DIF (Detector Interference Free) technology is a genuine asset. Once you've located a target with the main detector, the pinpointer helps you pinpoint exactly where to dig. This saves time and reduces the size of your holes.

The 119 Target IDs provide excellent discrimination capability. I found this particularly helpful when hunting in trashy areas, as I could filter out common junk items while still detecting valuable targets. The all-tone audio system provides different tones based on target, depth, and size.

Best For Value-Conscious Buyers

This package is ideal if you're starting out and want everything you need in one purchase. The included accessories would cost hundreds separately, making this bundle genuinely economical. It's also great for hunters who want the flexibility of multiple coils without buying them separately.

Consider Another Model If

If you're an experienced user who already has preferred accessories, you might prefer the MANTICORE or Equinox 900 for their advanced features. Also, if Prime shipping is important to you, note that this model isn't Prime eligible, which could affect delivery speed.

6. Garrett ACE 300 - Beginner Friendly

The Garrett ACE 300 is where many detectorists start, and for good reason. With over 3,200 reviews and a 4.6-star rating, this detector has helped countless people discover metal detecting. I recommend the ACE 300 to beginners regularly because it balances simplicity with capable performance.

The Digital Target ID with its 0-99 scale makes target identification intuitive. New users quickly learn to associate specific numbers with certain types of metals. The Electronic Pinpointing mode helps locate targets precisely once they're detected, reducing dig time and hole size.

What makes this one of the more accessible best waterproof metal detectors is the straightforward interface. The 8 search programs provide presets for different scenarios, so beginners don't need to understand every technical parameter immediately. The Iron Resolution feature helps filter out trash while maintaining sensitivity to good targets.

The waterproof search coil allows hunting in shallow water and wet sand. While the control box isn't waterproof, the coil can be submerged for wading and shoreline hunting. The 25-hour battery life means you can hunt for multiple days between battery changes.

Best For New Detectorists

This detector is perfect if you're just starting out and don't want to invest heavily initially. The ACE 300 lets you learn the basics without being overwhelmed by features. It's also a good choice for younger detectorists due to its lightweight design and simple operation.

Consider Another Model If

If you plan to hunt extensively in saltwater or want full submersion capability, the Garrett AT Pro or Nokta Simplex Ultra would be better choices. Also, if you're an experienced user looking for advanced features like multi-frequency technology, consider upgrading to the Equinox 900.

7. Minelab Vanquish 440 - Budget Multi-Frequency

The Minelab Vanquish 440 brings Multi-IQ technology to a budget-friendly price point. Having used detectors at various price levels, I'm impressed by how much performance Minelab packed into this affordable model. The Vanquish 440 uses the same Multi-IQ technology found in more expensive detectors, employing five frequencies simultaneously.

The "turn on and go" operation is genuinely simple. There's no need to manually adjust frequencies or ground balance in most conditions. The detector automatically selects optimal settings based on soil conditions, making it one of the most user-friendly best waterproof metal detectors available.

The V10 Double-D coil is considered the best coil for the Vanquish series. At 10 inches by 7 inches, it provides excellent depth while maintaining good sensitivity to small targets. I've found this coil performs well in both trashy parks and open fields.

At just 2.6 pounds, the Vanquish 440 is comfortable for all-day hunting. The collapsible design packs down to 30 inches, making it easy to transport. The four detect modes cover common scenarios: Park for coins and jewelry, Field for relics, Beach for shoreline hunting, and Custom for personal preferences.

Best For Budget-Conscious Buyers

This detector is ideal if you want multi-frequency technology without spending over $500. The Vanquish 440 is perfect for beginners who want capable performance or experienced detectorists who want a lightweight backup detector. It's particularly good for jewelry hunting in parks and beaches.

Consider Another Model If

If you need a fully submersible detector for underwater hunting, the Nokta Simplex Ultra or Garrett AT Pro would be better choices. Also, if you hunt primarily in heavy saltwater conditions, the Beach mode on the Vanquish can produce false signals, so consider the Equinox series instead.

8. Nokta Simplex Ultra - Waterproof Design Leader

The Nokta Simplex Ultra stands out for its complete waterproof design. Unlike many detectors that only have waterproof coils, the Simplex Ultra is fully submersible to 16 feet. The carbon fiber shaft construction is both durable and lightweight, making this one of the most robust best waterproof metal detectors for serious water hunting.

What impressed me most during testing was the sensitivity. The Simplex Ultra detected small targets at impressive depths, and the depth estimates were consistently accurate. The vivid color LCD screen provides clear target information, even in bright sunlight.

The online firmware update capability is a significant advantage. Nokta can release improvements and new features, and you can update the detector via USB on your PC. This means your detector can improve over time rather than becoming outdated.

The Bluetooth headset compatibility is a nice touch for wireless audio. The six search programs provide flexibility for different hunting scenarios. At just 2.6 pounds, the Simplex Ultra is well-balanced and comfortable for extended hunting sessions.

Best For Water Hunters

This detector is perfect if you primarily hunt in or around water. The full waterproof design makes it ideal for beach hunters, river waders, and even shallow divers. The carbon fiber construction resists corrosion from saltwater, making it a durable choice for coastal environments.

Consider Another Model If

If you're a complete beginner, the Simplex Ultra might have more complexity than you need initially. The Garrett ACE 300 or Minelab Vanquish 440 offer simpler starting points. Also, if you prioritize multi-frequency technology for challenging soil conditions, the Minelab Equinox series might be better suited.

Buying Guide: How to Choose the Best Waterproof Metal Detector

Waterproof vs Water-Resistant - What's the Difference?

Understanding the distinction between waterproof and water-resistant is crucial when selecting among the best waterproof metal detectors. Waterproof detectors can be fully submerged to specified depths without damage. Models like the Minelab MANTICORE and Equinox 900 are rated IP68, meaning they're fully submersible to 16 feet.

Water-resistant detectors, like the Garrett ACE 300 and Minelab Vanquish 440, typically have waterproof coils but non-waterproof control boxes. These can handle rain, splashes, and shallow wading, but cannot be fully submerged. If you plan to hunt in deep water or dive with your detector, choose a fully waterproof model.

The IP rating system helps clarify waterproof capabilities. IP68 means the device is dust-tight and can be continuously submerged in water beyond 1 meter. IP65 or IP54 ratings typically indicate splash resistance but not full submersion capability.

Understanding Multi-Frequency vs Single-Frequency

Multi-frequency technology, found in the Minelab MANTICORE, Equinox series, and Vanquish 440, simultaneously transmits multiple frequencies. This provides better performance across various ground conditions and target types. Multi-frequency detectors excel in saltwater environments where single-frequency models often struggle with false signals.

Single-frequency detectors operate at one specific frequency, which can be optimized for specific target types. Lower frequencies (5-10 kHz) generally detect deeper targets but are less sensitive to small items. Higher frequencies (15-20 kHz) are more sensitive to small targets like gold nuggets but have less depth.

For general treasure hunting, multi-frequency detectors offer the most versatility. They automatically adapt to ground conditions and target types, making them easier to use across different environments. However, specialized gold prospectors might prefer specific single-frequency models optimized for small gold detection.

Saltwater Performance Considerations

Saltwater beaches present unique challenges for metal detectors. The conductive nature of saltwater can cause false signals and reduced depth on many detectors. The best waterproof metal detectors for saltwater use multi-frequency technology specifically designed to handle these conditions.

Models like the Minelab MANTICORE, Equinox 900, and Excalibur II excel in saltwater environments. The Minelab Excalibur II uses BBS technology with 17 frequencies, making it particularly effective for underwater saltwater hunting. The Garrett AT Pro performs well in light saltwater but may require sensitivity adjustments in heavy salt conditions.

When hunting saltwater beaches, I recommend starting in dry sand and gradually moving toward wet sand. Adjust your sensitivity and ground balance as you approach the water. Some detectors have dedicated beach modes that optimize settings for saltwater conditions.

Depth Ratings Explained

Waterproof depth ratings indicate how deep a detector can be submerged without damage. Most quality waterproof detectors are rated to 10-16 feet. The Minelab MANTICORE, Equinox 900, X-Terra Elite, and Nokta Simplex Ultra are all rated to 16 feet (5 meters).

The Garrett AT Pro is waterproof to 10 feet, which covers most wading and shallow diving scenarios. The Minelab Excalibur II is designed specifically for underwater use and can handle significant depths beyond typical ratings.

For most treasure hunters, a 10-16 foot rating is more than sufficient. This covers wading, snorkeling, and recreational diving. Only technical divers going deeper than 30 feet need specialized equipment beyond typical consumer detectors.

Key Features to Look For

When choosing among the best waterproof metal detectors, consider these essential features. Target ID systems provide numeric or visual identification of detected targets, helping you decide whether to dig. The Minelab detectors offer 119 Target IDs, while Garrett uses a 0-99 scale.

Ground balance is crucial for performance in mineralized soil. Automatic ground balance adjusts to soil conditions automatically, while manual ground balance allows fine-tuning for experienced users. Most modern detectors offer automatic or tracking ground balance.

Discrimination features help filter out unwanted metals like iron and aluminum. The Garrett AT Pro offers 40 levels of iron discrimination, providing precise control over what you detect. Higher-end detectors like the MANTICORE use 2D target ID maps for enhanced discrimination.

Wireless headphones are increasingly common and improve convenience. The Minelab Equinox 900 and X-Terra Elite both include wireless headphones. Battery life is another consideration, with models offering anywhere from 12 to 25 hours of operation.

Choosing Based on Your Use Case

For beach hunting, prioritize multi-frequency technology that handles saltwater conditions. The Minelab Equinox 900 or MANTICORE are excellent choices. If you primarily hunt in freshwater streams and lakes, the Garrett AT Pro or Nokta Simplex Ultra perform well.

For divers, the Minelab Excalibur II is specifically designed for underwater use. Snorkelers and waders might prefer the lighter Nokta Simplex Ultra or Minelab Equinox 900, which are easier to maneuver in shallow water.

Beginners should start with simpler models like the Garrett ACE 300 or Minelab Vanquish 440. These offer good performance without overwhelming complexity. As you gain experience, you can upgrade to more advanced models.

Consider your budget honestly. The best waterproof metal detectors range from under $300 to over $1500. The Minelab Vanquish 440 and Garrett ACE 300 offer excellent value under $300. Mid-range options like the Equinox 900 and X-Terra Elite provide professional features around $600-1000. Premium models like the MANTICORE and Excalibur II cost $1500+ but deliver maximum performance.

Frequently Asked Questions

Conclusion

Choosing the right detector from among the best waterproof metal detectors depends on your specific needs, experience level, and budget. For maximum performance across all terrains, the MINELAB MANTICORE stands out with its Multi-IQ+ technology and advanced features. If you want excellent value without compromising on capability, the Minelab Equinox 900 offers professional performance at a more accessible price point.

Beginners should consider starting with the Garrett ACE 300 or Minelab Vanquish 440 to learn the fundamentals before investing in more advanced models. Serious underwater hunters will appreciate the Minelab Excalibur II's specialized design, while budget-conscious buyers will find excellent options in the Nokta Simplex Ultra and X-Terra Elite Expedition.

Remember that the best detector is the one that matches your hunting environment and experience level. All the detectors reviewed here are quality tools that can help you discover lost treasures. Start with what fits your budget, learn its capabilities thoroughly, and upgrade as your skills grow. The beaches and waterways are waiting to reveal their secrets.