Top 5 Metal Detectors for Underwater in 2025

Introduction

Metal detecting underwater has become increasingly popular as more treasure hunters, enthusiasts, and professionals discover the excitement of uncovering lost coins, antiquities, and jewelry beneath the ocean. Having a metal detector that can go underwater is a game-changer, whether you're scanning a salty beach, diving to shipwrecks, or wading through freshwater rivers. In 2025, underwater detection is easier and more lucrative than ever because of better technology and tougher constructions.

However, not all detectors labeled as "waterproof" are designed for use in water. In this article, we list the five best underwater metal detectors for 2025. These are all tested and trusted by real people. We also talk about some more outstanding options for different budgets and hunting methods.

What to Look for in an Underwater Metal Detector in 2025

Before you jump in (literally!), let's talk about what makes a real underwater detector different from one that can merely tolerate a little rain.

• Waterproof Depth: The whole unit, including the control box, can be utilized underwater if it is fully submersible. Depth ratings are important because some models can travel as deep as 200 feet, while others are only good for wading or snorkeling in shallow water.
• Multi-Frequency Technology: Detectors that can withstand mineralized sand, seawater, and changing conditions are far more flexible than those that only work with one frequency.
• Saltwater Compatibility: Saltwater is much harsher than freshwater. The best ocean detectors include unique modes and shielding to cut down on interference.
• Battery Life and Type: Underwater detection can quickly drain batteries. Look for options that may be charged again and again.
• Build Quality: materials that are strong and don't rust are necessary. Seals and O-rings keep water from getting into the electronics inside.
• Wireless Features: If your headphones or pinpointers are also waterproof, they can make your experience a lot more comfortable.
• Lightweight and Ergonomics: This is especially vital for long sessions or when you're diving and detecting.

Why Go Submersible?

Not just for serious scuba divers are submersible detectors are. Here's why practically everyone should go entirely waterproof:

• Beach and Surf: Hunt in the shallow surf, under waves, and get back jewels that fell just below the waterline.
• Rivers and Lakes: Look for places where gold-rich creeks wash down rocks, swimming holes, or rocky bottoms.
• Scuba and Deep Diving: Some detectors are made for deep dives, so you can confidently explore shipwrecks, submerged ruins, and sunken parks.
• Rugged Durability: A submersible detector can handle mud, rain, and puddles even if you spend most of your time on land.

Top 5 Submersible Metal Detectors for Underwater in 2025

1. Minelab Excalibur II

The gold standard for underwater metal detecting.

• Waterproof Depth: 200 ft (60 m)
  

• Technology: BBS multi-frequency
  

• Why It’s Top: The Excalibur II is legendary among beach and scuba detectorists. It’s engineered to withstand the rigors of deep saltwater, with clear target tones, simple controls, and proven reliability.
  

• Best For: Deep water diving, saltwater, and professional treasure hunters.
  

• Pros: Unmatched underwater performance, rugged, great for relics and jewelry.
  

• Cons: Heavier than most, higher price point, no wireless audio.
  

2. Minelab Equinox 600

Versatility meets value for the active detectorist.

• Waterproof Depth: 10 ft (3 m)
  

• Technology: Multi-IQ simultaneous frequency
  

• Why It’s Top: Equinox 600 has become the go-to for beach and shallow water hunting. It handles both salt and freshwater, offers lightning-fast recovery speed, and boasts easy-to-understand settings for beginners and veterans alike.
  

• Best For: Beaches, rivers, lakes, land hunting, and all-around use.
  

• Pros: Lightweight, multi-frequency, good saltwater handling, affordable.
  

• Cons: Not for deep diving, lacks some advanced features of its sibling, Equinox 800.
  

3. Minelab CTX 3030

Cutting-edge tech for the serious hunter.

• Waterproof Depth: 10 ft (3 m)
  

• Technology: FBS2 Full Band Spectrum multi-frequency, GPS, and color screen
  

• Why It’s Top: CTX 3030 is the detectorist’s dream: precision target ID, advanced discrimination, built-in GPS to map your finds, and deep-seeking ability. Ideal for those who want maximum accuracy and don’t mind a slightly heavier rig.
  

• Best For: Relic, coin, and jewelry hunting, wet sand, shallow submerged sites, tech-savvy users.
  

• Pros: Professional depth and target separation, GPS mapping, and color display.
  

• Cons: Expensive, heavier than competitors, not suitable for deep dives.
  

4. XP DEUS II

Wireless freedom and high-tech performance.

• Waterproof Depth: 66 ft (20 m)
  

• Technology: FMF (Fast Multi-Frequency), fully wireless
  

• Why It’s Top: XP DEUS II is the lightest, fastest, and most customizable submersible detector on the market. All controls are wireless—even underwater. Change frequencies on the fly, hunt long hours without fatigue, and enjoy unparalleled sensitivity.
  

• Best For: Scuba, snorkeling, river and ocean, those who demand cutting-edge gear.
  

• Pros: Ultra-light, fast, full wireless, deep detection, compact.
  

• Cons: Learning curve for beginners, premium price, some prefer wired headphones underwater.
  

5. Garrett AT Max

All-terrain reliability and classic American toughness.

• Waterproof Depth: 10 ft (3 m)
  

• Technology: VLF single frequency, Z-Lynk wireless audio
  

• Why It’s Top: The AT Max is built for hunters who want to search everywhere—from muddy fields to shallow surf. It’s simple to use, rugged, and offers wireless headphones for comfort above water.
  

• Best For: Freshwater, shallow saltwater, rivers, lakes, and beginners to advanced users.
  

• Pros: Good depth, tough build, wireless audio, and affordable.
  

• Cons: No multi-frequency, not for deep diving, single frequency can struggle in high-salt environments.
  

Bonus: Minelab X-Terra PRO

Outstanding value and surprising versatility for 2025.

• Waterproof Depth: 16 ft (5 m)
  

• Technology: Pro-Switch multi-frequency
  

• Why It’s a Top Pick: A perfect entry-level detector that punches above its price. Simple operation, lightweight build, and waterproof to 16 feet make it great for casual water hunting and kids who want to start strong.
  

• Best For: Beginners, budget-conscious users, anyone needing a reliable backup.
  

• Pros: Great value, multi-frequency, lightweight, easy to learn.
  

• Cons: Not for pro-level depth or extreme saltwater, fewer advanced features.
  
  

Comparison Table: 2025’s Best Submersible Metal Detectors

How to Choose the Best Underwater Metal Detector for You

It's not about buying the most costly underwater detector; it's about finding one that fits your needs, surroundings, and budget.

• Environment: Are you primarily on saltwater beaches, freshwater rivers, or diving deep? The Excalibur II and XP DEUS II are great for deep or saltwater, while the Equinox 600 and AT Max are excellent for shallow or mixed environments.
• Experience Level: Beginners frequently like the Equinox 600 or X-Terra PRO because they are easy to use and affordable. The CTX 3030 and DEUS II have more features and depth that advanced users might like.
• Portability vs Features: Do you need something light? The XP DE introducer II is a powerful machine that weighs very little. Want GPS, sophisticated discrimination, and mapping? The CTX 3030 is the right choice for you.
• Accessories: Think about getting cordless headphones, waterproof pinpointers, multiple coil sizes, and extra batteries for longer travels.

Maintenance & Safety Tips for Submersible Detectors

Rinse Thoroughly: To keep it from rusting, always wash your detector with fresh water after using it in salt water.

• Dry and Store Properly: Let your detector air dry and then put it away in a cold, dry location.
• Check Seals: Look for wear or dirt on the O-rings and the seals on the battery compartment.
• Battery Care: Use the right chargers, don't leave batteries in the detector for a long time, and if you can, bring a spare.
• Watch for Sand: Sand can become stuck in telescopic shafts and buttons, so maintain the joints and controls clean.

FAQ’s

Can I use these detectors in both saltwater and freshwater?

Yes, but multi-frequency models work better in saltwater since they cut down on interference.

How deep can I go?

Most "waterproof" variants can go down to 10 feet (3 m), while the Excalibur II can go down to 200 feet (60 m). Always verify the specs for your model!

Do I need special headphones?

Yes, you should only use headphones that are safe for use underwater. A lot of wireless alternatives are only waterproof to a particular depth.

Are submersible detectors good on land?

Yes, of course! All of the detectors on this list work fine on land. Just remember that the deeper you go in water, the more you'll appreciate real submersible equipment.

Is there a difference between waterproof and submersible?

When something is waterproof, it usually indicates it's safe for rain and splashes, or even shallow wading. Submersible denotes that the unit is made to be fully submerged.

Conclusion

In 2025, picking the appropriate submersible metal detector will help you locate more things, have more fun, and feel safer, whether you're looking for lost rings in the surf or diving to see old shipwrecks. The Minelab Excalibur II is the best choice for deep dives and ocean adventures. The XP DEUS II is the lightest and most wireless device on the market. The Minelab Equinox 600 and X-Terra PRO are popular since they are useful and affordable. The CTX 3030 is the only one that has GPS mapping and pro features. The tough Garrett AT Max can go anywhere, making it great for a lot of hunters.