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If you're shopping for a waterproof metal detector, the first thing to check isn't the word "waterproof" on the box — it's how much of the machine is actually rated for submersion. A coil that can get wet doesn't make the control housing submersible, and an IP68 label on its own doesn't tell you how deep that detector can actually work. In a category where one bad seal can destroy a machine, the practical differences matter more than the marketing. For a closer look at underwater metal detectors for diving and snorkeling, remember that even IP68 models may top out at just 5 m / 16 ft.
In 2026, fully submersible detectors split into three working classes: wading machines rated to roughly 5 m / 16 ft, crossover detectors that can handle moderate diving depth, and true scuba specialists rated to tens or hundreds of feet. The all-round sweet spot has converged on the 5 m class, with current models from Minelab, Nokta, Garrett, and XP all offering full-unit waterproofing rather than merely a waterproof search coil. That covers rain, streams, swimming areas, shallow snorkeling, and most surf hunting without forcing you into a dive-only platform.
The critical distinction throughout this guide is waterproof versus saltwater-capable. A detector can physically survive 5 m of water and still perform badly in conductive wet salt because its single-frequency architecture isn't built for that environment. Conversely, a heavy 200-ft dive machine may be superb in saltwater but miserable for dry-land hunts. This roundup only includes detectors whose entire electronic unit carries an official manufacturer submersion rating, and it separates freshwater use from saltwater use instead of ranking by product-title claims.
If you hunt beaches, creek beds, river crossings, or shallow surf, this is the shortlist to work from. If you need a deeper dive detector, those models are here too — but they're placed in their own context.
Quick Picks: Best Waterproof Metal Detectors at a Glance
| Model | Best For | Full-Unit Waterproof Rating | Technology |
|---|---|---|---|
| Minelab Equinox 900 | Best overall all-terrain | 5 m / 16 ft | Multi-IQ simultaneous multi-frequency |
| Nokta The Legend 2 | Best multi-frequency package | 5 m / 16 ft | Simultaneous multi-frequency |
| Garrett Vortex VX9 | Best modern Garrett for mixed water | 5 m / 16 ft | Multi-Dimensional Multi-Frequency + Multi-Salt |
| Minelab Manticore | Best premium target information | 5 m / 16 ft | Multi-IQ+ with 2D Target ID map |
| XP Deus II | Best lightweight dive-capable crossover | 20 m / 66 ft with red plug | FMF simultaneous multi-frequency |
| Nokta Simplex ULTRA | Best budget fully submersible | 5 m / 16 ft | Single-frequency 15 kHz VLF |
| Nokta The Legend | Best discounted SMF alternative | 5 m / 16 ft | Simultaneous multi-frequency |
| Garrett AT Max | Best proven freshwater workhorse | 3 m / 10 ft | Single-frequency 13.6 kHz VLF |
| Fisher CZ-21 Quick Silver | Best deep-dive specialist | 76 m / 250 ft | Dual-frequency VLF 5+15 kHz |
| Minelab Excalibur II | Best proven saltwater scuba detector | 60 m / 200 ft | BBS 17-frequency |
What Makes a Great Waterproof Metal Detector?
The first filter is whether the entire detector carries an official submersion rating. Many budget and entry-level machines advertise a waterproof search coil while the control box is only splash-resistant or weatherproof. Those models do not qualify for a serious waterproof shortlist, because the electronics are still vulnerable the moment the unit is dropped or a wave rolls over the housing.
The second filter is water type. Freshwater is relatively forgiving: a well-built single-frequency VLF detector can work well in lakes, creeks, and shallow rivers. Conductive saltwater is much harder. In wet salt sand and surf, simultaneous multi-frequency machines generally hold target IDs and quiet operation far better than single-frequency models. The correct pairing is not to buy the highest waterproof rating, but to match the detector's technology to the type of water you actually hunt. If you want a broader grounding in detector discrimination and target IDs, see Metal Detector Discrimination & Target ID Explained.
Depth rating is the third filter. The modern 5 m / 16 ft class covers wading, surf, rain, and shallow snorkeling. True scuba work starts around 20 m and extends to 60 m or more. Those deeper machines are almost always heavier, analog, and hardwired by design — that's a feature, not a flaw, because it eliminates the connectivity complications of wireless systems underwater.
Finally, audio underwater matters. Radio and Bluetooth signals don't propagate reliably through water. Garrett Z-Lynk, Minelab wireless, and standard Bluetooth headphones are fine on land but are not submerged listening solutions. Dive detectors solve this with hardwired waterproof headphones; the XP Deus II uses a specific underwater antenna and plug configuration. Any waterproof setup should be followed by a freshwater rinse after salt exposure, because salt and debris are long-term seal killers.
#1 Minelab Equinox 900 — Best Overall Waterproof Metal Detector
The Equinox 900 is the safest all-round recommendation in this category because it combines simultaneous multi-frequency salt handling, full-machine 5 m waterproofing, and true land versatility in one 2.8 lb package. It covers parks, freshwater, wet salt sand, and shallow surf without forcing you into a dive-only detector.
Specs
- Multi-IQ simultaneous multi-frequency plus selectable 4, 5, 10, 15, 20, and 40 kHz single frequencies
- Park, Field, Beach, and Gold search modes, each with two sub-profiles and eight customizable slots
- 119-segment target ID: -19 to 0 ferrous, 1–99 non-ferrous
- Recovery Speed 1–8, Iron Bias 0–9, sensitivity 1–28
- IP68 full-unit waterproofing to 5 m / 16 ft
- Ships with EQX11 11-inch DD and EQX06 6-inch DD coils, both with skid plates
- Weight: 1.27 kg / 2.8 lb
- Collapsible carbon-fiber shaft, approximately 61 cm collapsed / 144 cm extended
- Internal 3.7 V / 5100 mAh Li-ion battery; ML85 wireless headphones included
- 3-year warranty
Premium all-terrain wading machine in Minelab's current Equinox lineup. It is not a scuba detector despite the 5 m rating.
Pros
- Multi-IQ handles wet salt sand and surf far better than single-frequency machines
- Two included DD coils cover both general coverage and tight trash separation
- Dedicated Beach modes and full 5 m submersion for shallow water
- Carbon-fiber shaft keeps the carrying weight down
Cons
- 5 m is wading depth, not a dive rating
- Included ML85 headphones are wireless and are not intended for submerged use
- Menu depth can be intimidating at first
Verdict: The Equinox 900 is the best all-around waterproof detector for someone who hunts dry land and wading-level water equally.
Perfect for: Beach hunters who split time between wet sand, shallow surf, parks, and fields, and want one machine that does all of it.
#2 Nokta The Legend 2 — Best Multi-Frequency Waterproof Package
The Legend 2, released in September 2025, is a genuine hardware successor to the original Legend. It keeps the original's simultaneous multi-frequency salt capability and 5 m waterproofing, then improves the package with two coils, more target IDs, a bigger battery, wireless firmware updates, and a lighter chassis.
Specs
- Simultaneous multi-frequency with Multi(3) plus 4, 10, 15, 20, and 40 kHz selectable single frequencies
- Park, Field, Beach, Relic, and Gold search modes
- 01–99 target ID scale, up from 60 on the original Legend
- FerroCheck ferrous analysis, 19 manual frequency-shift channels
- IP68 full-unit waterproofing to 5 m / 16 ft
- Ships with LD28 11-inch DD and LD21 8×5.5-inch DD coils
- Weight: 1.2 kg / 2.6 lb
- Internal 6700 mAh Li-ion battery; published runtime approximately 8–20 hours
- Wireless firmware updates and waterproof replaceable external spare battery available
- 3-year warranty
Premium-level feature set at a strong midpoint among fully submersible multi-frequency detectors.
Pros
- Two included coils and 99 IDs make it one of the most complete out-of-the-box packages
- Lighter than the original Legend at 2.6 lb
- Large 6700 mAh battery for long sessions
- Simultaneous multi-frequency is genuinely more saltwater-capable than a single-frequency VLF
Cons
- Long-term water-seal record is still thinner than the original Legend's
- Richer controls can produce micro-beeps or falsing if settings aren't understood
- Newer Amazon listing lacks a mature reliability track record
Verdict: The Legend 2 is the strongest feature-per-dollar choice at the top of the mid/premium wading class.
Perfect for: Beach and shallow-water hunters who want a multi-frequency machine with two coils and modern wireless updates without paying flagship money.
#3 Garrett Vortex VX9 — Best Modern Garrett for Mixed Fresh and Salt Water
For years, Garrett's waterproof story centered on the AT series. The Vortex VX9 changes that with a simultaneous multi-frequency platform, a dedicated Multi-Salt mode, full 5 m waterproofing, and a rechargeable battery — all in a current-generation package.
Specs
- Garrett MD-MF / Multi-Dimensional Multi-Frequency plus 5, 9, 13, 18, and 25 kHz single frequencies
- Dedicated Multi-Salt mode for conductive saltwater
- Three-tier MD-MF Target ID; non-ferrous 0–99 with separate ferrous information
- Search modes: Zero, Standard, USA Coins, Thin Coins, Beach, Custom, and Fast
- Recovery speed: 3 settings; Bottlecap Reject: 6 settings; Iron Boundary: 6 settings
- IP68 full-unit waterproofing to 5 m / 16 ft
- 8.5×11-inch DD Raider coil
- Built-in Z-Lynk wireless audio; rechargeable Li-ion battery, approximately 15 hours
- Weight approximately 2.9–3.05 lb
- Software-upgradeable Vortex platform; 3-year warranty
Current top Garrett Vortex model and the logical modern replacement for AT Max as a general-water recommendation.
Pros
- Multi-Salt plus an extra 6 ft of rated submersion over AT Max
- Simultaneous multi-frequency makes it far more attractive for saltwater than AT Pro or AT Max
- Familiar Garrett feel with a large uncluttered display
- Software-upgradeable across Vortex tiers
Cons
- Some early reviews evaluate prototype or early-software units rather than current firmware
- Isolated early repair/recalibration reports exist but do not establish a platform-wide defect
- Heavier than the lightest flagships in this list
Verdict: The Vortex VX9 is the best current Garrett option for a combined freshwater and saltwater wading detector.
Perfect for: Garrett users who want modern multi-frequency salt handling, wading depth, and a rechargeable platform in one machine.
#4 Minelab Manticore — Best Premium Target Information in a Waterproof Detector
The Manticore is Minelab's flagship high-power platform above the Equinox 900. For serious wet-sand and shallow surf hunters, its 2D Target ID map and fine discrimination controls offer more target information than anything else in the 5 m class.
Specs
- Multi-IQ+ simultaneous multi-frequency with selectable 5, 10, 15, 20, and 40 kHz
- Conductive target ID 0–99 with ferrous indication, plus 2D ID Map / Target Trace
- Adjustable upper/lower Ferrous Limits and custom ferrous discrimination
- Sensitivity 1–35; recovery speed 0–8
- IP68 full-unit waterproofing to 5 m / 16 ft
- M11 11-inch round DD coil standard; optional M8 8×5.5-inch and M15 15×12-inch coils
- Weight: 1.3 kg / 2.9 lb
- Color LCD; internal rechargeable Li-ion, approximately 9 hours runtime, 7 hours charge
- Supplied ML105 headphones are not waterproof
- 3-year warranty
Premium flagship above Equinox 900 for target visualization and separation in challenging beach conditions.
Pros
- 2D map separates mixed non-ferrous targets better than a single number
- Strong separation and depth combination for experienced hunters
- Full 5 m waterproofing with dedicated Beach modes
- Color display with adjustable backlight for fine target analysis
Cons
- Meaningful learning curve; factory settings take time to master
- Approximately 9-hour runtime is shorter than many competitors
- Waterproof construction doesn't eliminate noise in extreme black sand
Verdict: The Manticore is the best waterproof detector for experienced beach hunters who want maximum target information rather than maximum depth rating.
Perfect for: Serious wet-sand, surf, and trashy beach hunters who already understand discrimination and want the most detailed target picture.
#5 XP Deus II — Best Lightweight Dive-Capable Crossover
The Deus II is the only detector in this roundup that genuinely bridges lightweight premium land hunting and real 20 m diving. Its wireless architecture is a land advantage, but underwater it requires one specific setup: the red waterproof plug, an underwater antenna, and appropriate waterproof audio.
Specs
- FMF — Fast and simultaneous Multi Frequency, plus 49 selectable single frequencies from roughly 4–45 kHz
- 12 factory programs and 12 user programs for land, freshwater, wet salt beach, and submerged use
- Remote waterproof rating: IP68 to 20 m / 66 ft when the red underwater plug is installed
- Standard grey rear plug is only for ordinary land use or submersion to 1 m
- Coastal and beach programs with adjustable discrimination, notch, and ferrous filtering
- Fully wireless coil/remote/headphone architecture; underwater use requires the XP antenna
- Weight starts around 750 g in lightweight configurations
- Battery life: remote up to 25 h, headphones about 17 h, coil up to 20 h
- 5-year warranty; separate 2-year battery coverage
Premium crossover for lightweight wading and genuine 20 m dive capability with proper underwater configuration.
Pros
- Dramatically lighter than legacy dive detectors
- Genuine 20 m remote/submersion capability with correct preparation
- Excellent wet-salt-sand behavior and fast recovery
- Compact modular design travels well
Cons
- Underwater setup is more involved than a hardwired dive machine
- Wireless audio doesn't propagate underwater without the correct antenna/plug configuration
- WS6 module is only rainproof, not a 20 m underwater headphone solution
- Premium price band
Verdict: The Deus II is the right call if you want one very light detector that can hunt land, wet salt, and moderate dive depths, provided you accept the underwater setup requirements.
Perfect for: Traveling detectorists and shallow divers who prioritize weight and want a machine that can do both dry land and real submersion.
#6 Nokta Simplex ULTRA — Best Budget Fully Submersible Metal Detector
The Simplex ULTRA is the standout budget proof that a fully waterproof detector doesn't have to cost flagship money. The entire machine — not just the coil — is IP68-rated to 5 m, which makes it a genuine freshwater submersible in a price class full of coil-only pretenders.
Specs
- Single-frequency VLF at 15 kHz
- Search modes: Field, Park, 4 Tone, 99 Tone, Beach, and All Metal
- 01–99 target ID, 30 sensitivity levels, automatic and manual ground balance
- IP68 full-unit waterproofing to 5 m / 16 ft
- 11-inch SX28 DD coil; carbon-fiber lower/middle shaft
- Weight: 1.2 kg / 2.6 lb
- Internal 2300 mAh lithium battery
- Bluetooth low-latency support, vibration, backlit LCD, and LED flashlight
- Firmware upgradeable; 3-year warranty
Budget full-unit submersible for freshwater, rainy parks, and shallow-water use.
Pros
- Full 5 m waterproofing at a budget price
- Modern controls, notch discrimination, and lightweight carbon-fiber shaft
- Vibration and backlit display for water and low-light use
- Real target ID and adjustable recovery speed
Cons
- Single-frequency 15 kHz struggles in conductive wet salt surf
- Bottle caps and overlapping target IDs are common beginner complaints
- Not a substitute for a multi-frequency machine on saltwater beaches
Verdict: The Simplex ULTRA is the best budget fully submersible detector for freshwater and shallow wading, not a budget ocean-surf specialist.
Perfect for: Beginners, creek and lake hunters, and anyone who wants full-unit waterproofing in the lowest realistic price tier.
#7 Nokta The Legend — Best Discounted Simultaneous Multi-Frequency Waterproof Alternative
The original Legend hasn't disappeared just because the Legend 2 arrived. It remains officially current, supported, and sold new in 2026. If you find one at a meaningful discount, it still delivers simultaneous multi-frequency salt capability and full 5 m waterproofing.
Specs
- Simultaneous multi-frequency plus 4, 10, 15, 20, and 40 kHz single frequencies
- Park, Field, Beach, Gold, and Beast search modes
- 60 target IDs; FerroCheck; manual frequency shift with 13 channels
- Ground balance: automatic, manual, and tracking
- IP68 full-unit waterproofing to 5 m / 16 ft
- Weight: 1.3 kg / 3.0 lb
- 5050 mAh lithium-polymer battery
- Current coil compatibility includes LG15, LG24, LG28, LG30, and LG35
- Firmware updates still available; 3-year warranty
Mid-class simultaneous multi-frequency machine that remains a strong value when discounted below Legend 2 pricing.
Pros
- Genuine SMF handles wet salt far better than Simplex ULTRA
- Full 5 m waterproofing with a proven firmware history
- Supports Nokta's larger LG coil ecosystem
- Usually available below Legend 2 pricing
Cons
- Heavier than Legend 2 at 3.0 lb
- Only 60 target IDs versus 99 on the newer model
- Less modern battery and no wireless firmware updates
Verdict: If the price is right, the original Legend is still a legitimate saltwater-capable wading detector — just don't pay Legend 2 money for it.
Perfect for: Beach hunters on a mid budget who want simultaneous multi-frequency water performance and are fine buying the previous generation.
#8 Garrett AT Max — Best Proven Freshwater Waterproof Workhorse
The AT Max is the oldest general-purpose detector still active in this roundup, and it's still here for one reason: it's a rugged, fully submersible 10-ft freshwater machine with a long track record. Its weakness in 2026 isn't construction — it's the single-frequency platform in a saltwater-capable market.
Specs
- Single-frequency VLF at 13.6 kHz
- Four search modes with Pro Audio, including True All-Metal and three discrimination modes
- Digital Target ID 0–99; 44 iron discrimination segments; Iron Audio
- Notch discrimination, 3 tones, adjustable threshold, 8 sensitivity/depth levels
- Full detector waterproofing to 10 ft / 3 m
- Built-in Z-Lynk wireless; ships with Garrett MS-3 wireless headphones
- Current Garrett comparison material lists a 6×11-inch DD Viper AT coil
- Power: 4 AA batteries; weight approximately 3.03 lb / 1.4 kg
- 3-year warranty
Proven freshwater river/creek workhorse; not a saltwater-first machine.
Pros
- Ribbed and proven freshwater detector with a decade-long track record
- Fully submersible to 10 ft with simple, straightforward controls
- Iron Audio and Z-Lynk wireless integration
- Large AT accessory ecosystem
Cons
- Single-frequency 13.6 kHz is much less attractive in wet salt surf
- Only 3 m / 10 ft waterproofing, below the modern 5 m standard
- Supplied MS-3 headphones are not intended for submerged listening
- Heavier and older than current multi-frequency options
Verdict: The AT Max remains a legitimate freshwater river and creek machine, but for saltwater use it should not outrank the Vortex VX9 or any simultaneous multi-frequency detector in this list.
Perfect for: Freshwater river, creek, and lake hunters who value Garrett's AT durability and a strong accessory ecosystem.
#9 Fisher CZ-21 Quick Silver — Best Deep-Dive Specialist
The CZ-21 is the deepest-rated purpose-built dive detector in this roundup. It's old, heavy, and completely analog — and that's exactly why serious scuba hunters still choose it. The hardwired architecture removes the underwater connectivity compromises of wireless land-first machines.
Specs
- Simultaneous dual-frequency VLF: 5 kHz and 15 kHz
- Search modes: silent-search Target ID/discrimination, Auto-Tune/all-metal, and VCO pinpoint
- Audio-only target ID with three tones covering broad conductivity classes
- Waterproof to approximately 250 ft / 76 m
- Permanently connected 10-inch-class coil; permanently attached waterproof headphones
- Removable/hip-mountable control housing
- Power: four 9 V batteries; runtime up to approximately 55 hours
- Weight: approximately 5+ lb
- 2-year warranty; made in USA
Serious scuba/diving and saltwater specialist where extreme depth and simplicity matter more than screen-based ID or low weight.
Pros
- Extraordinary 250-ft rated depth
- True all-metal mode and simple hardwired operation
- Hip-mountable housing reduces swing weight
- Very long battery runtime from four 9 V cells
Cons
- Heavy and analog; no modern numeric display
- Manual ground balance and hardwired coil/headphones limit flexibility
- Fixed salt-oriented architecture can give away some sensitivity to very small low conductors
Verdict: The CZ-21 is a purpose-built dive machine, and it should be judged by that standard rather than as a general-purpose park detector.
Perfect for: Scuba divers and deep-water hunters who need extreme rated depth, real all-metal mode, and a hardwired setup that just works underwater.
#10 Minelab Excalibur II — Best Proven Saltwater Scuba Detector
The Excalibur II is nearly two decades old, yet it remains current in Minelab's catalog for a reason: BBS multi-frequency stability in seawater and a 200-ft dive rating. It's not a comfortable dry-land machine, but it is one of the most proven saltwater scuba platforms ever made. Above the surf line it gives up ground on weight, interface and price, while from roughly 20 to 60 metres down few alternatives remain, as the Minelab Excalibur II review explains.
Specs
- BBS Broad Band Spectrum; Minelab describes BBS as using 17 simultaneous frequencies
- Search modes: Discriminate and All Metals
- Analog multi-tone audio by conductivity; no visual numeric screen
- Rotary discrimination, sensitivity, threshold, and volume controls
- IP68 waterproofing to 60 m / 200 ft
- Hardwired 10-inch round Double-D coil; hardwired waterproof Koss 8-ohm headphones
- Rechargeable NiMH battery, 13 V / 1000 mAh; runtime approximately 14–19 hours
- Dive shaft approximately 82–91 cm; standard shaft approximately 114–122 cm
- High-visibility fluorescent housing; 1-year control-box and coil warranty
Proven saltwater/scuba specialist for deep wading and diving, not a universal everyday detector.
Pros
- BBS simultaneous multi-frequency is famously stable in seawater
- 60 m / 200 ft rated depth for genuine scuba use
- Hardwired design removes wireless underwater complications
- Huge long-term production history with extensive user knowledge
Cons
- Very old architecture and heavyweight feel
- No numeric target ID or modern visual display
- Hardwired cable can suffer from age, especially on used units
- 1-year warranty, shorter than most modern detectors
Verdict: The Excalibur II is the right choice for a proven Minelab saltwater scuba specialist, but it wins on deep-water track record rather than everyday convenience.
Perfect for: Saltwater scuba divers and deep wading hunters who value long-term BBS stability and don't need a modern screen.
Comparison Table
| Model | Technology | Full-Unit Waterproof Rating | Simultaneous Multi-Frequency? | Weight | Best For |
|---|---|---|---|---|---|
| Minelab Equinox 900 | Multi-IQ SMF + single frequencies | 5 m / 16 ft | Yes | 2.8 lb | All-around wading |
| Nokta The Legend 2 | SMF + 4/10/15/20/40 kHz | 5 m / 16 ft | Yes | 2.6 lb | Best multi-frequency package |
| Garrett Vortex VX9 | MD-MF + Multi-Salt | 5 m / 16 ft | Yes | ~2.9–3.05 lb | Mixed fresh/salt water |
| Minelab Manticore | Multi-IQ+ with 2D ID map | 5 m / 16 ft | Yes | 2.9 lb | Premium target info |
| XP Deus II | FMF + 49 single frequencies | 20 m / 66 ft with red plug | Yes | ~750 g | Lightweight dive crossover |
| Nokta Simplex ULTRA | Single-frequency 15 kHz | 5 m / 16 ft | No | 2.6 lb | Budget freshwater |
| Nokta The Legend | SMF + single frequencies | 5 m / 16 ft | Yes | 3.0 lb | Discounted SMF |
| Garrett AT Max | Single-frequency 13.6 kHz | 3 m / 10 ft | No | 3.03 lb | Freshwater workhorse |
| Fisher CZ-21 Quick Silver | Dual-frequency 5+15 kHz | 76 m / 250 ft | Simultaneous dual | 5+ lb | Deep-dive specialist |
| Minelab Excalibur II | BBS 17-frequency | 60 m / 200 ft | Yes | Heavy | Saltwater scuba |
Which Waterproof Metal Detector Should You Buy?
If budget is the primary constraint and you hunt freshwater, rivers, creeks, or rainy parks, the Nokta Simplex ULTRA is the clear starting point. It gives you genuine full-unit 5 m waterproofing without forcing you into a multi-frequency price tier. Just keep it out of serious saltwater surf.
If you hunt wet salt sand and shallow surf on a mid budget, choose between the Nokta Legend 2 and the Garrett Vortex VX9. The Legend 2 offers two coils, 99 IDs, and a large battery. The Vortex VX9 gives Garrett users a modern Multi-Salt platform with a familiar control feel. If you find the original Nokta Legend at a meaningful discount, it's still a legitimate SMF beach machine with full 5 m waterproofing.
If you want the safest premium all-rounder, the Minelab Equinox 900 is hard to beat. It covers land, freshwater, wet salt, and shallow surf in one 2.8 lb package. Step up to the Minelab Manticore only if you're an experienced hunter who wants the 2D Target ID map and fine ferrous controls more than you want simplicity.
For diving, the split is clear. The XP Deus II is the only lightweight modern detector here with genuine 20 m capability, but it requires the red plug, underwater antenna, and appropriate waterproof audio. The Fisher CZ-21 and Minelab Excalibur II are far heavier and more analog, but they're purpose-built scuba tools with hardwired reliability at much greater depth. Choose the CZ-21 for maximum rated depth and a true all-metal mode; choose the Excalibur II for BBS stability and a longer saltwater dive lineage.
Finally, if you're specifically looking for a freshwater Garrett, the AT Max still earns its place. But if you want that freshwater reliability plus future saltwater capability, the Vortex VX9 is the stronger current-generation Garrett pick.
Frequently Asked Questions
Q: Is a waterproof search coil enough for a metal detector?
No. A waterproof search coil means the coil can be submerged, but the control box may only be splash-resistant or weatherproof. Before buying, check whether the manufacturer gives an official submersion rating for the entire detector, not just the coil.
Q: Are all IP68 metal detectors safe for scuba diving?
No. IP68 is a water-ingress protection standard, not a diving depth rating. Many IP68 detectors are only rated to 5 m / 16 ft, which covers wading and snorkeling but not scuba. Always verify the manufacturer's stated maximum operating depth.
Q: Which waterproof metal detector works best in saltwater?
For wet salt sand and surf, simultaneous multi-frequency detectors generally outperform single-frequency machines. Current strong choices include the Minelab Equinox 900, Minelab Manticore, Nokta Legend 2, Garrett Vortex VX9, and XP Deus II. For deep saltwater diving, the Minelab Excalibur II and Fisher CZ-21 are purpose-built specialists.
Q: Do wireless headphones work underwater with a metal detector?
Not reliably. Radio, Bluetooth, and Z-Lynk signals do not propagate well through water. Dive detectors use hardwired waterproof headphones, and the XP Deus II requires a specific underwater antenna and plug configuration. Treat wireless headphones as a land-based convenience, not a submerged audio solution.
Q: What's the difference between the Nokta Legend and the Legend 2?
The Legend 2, released in September 2025, is lighter, has 99 target IDs instead of 60, a larger 6700 mAh battery, wireless firmware updates, a new Relic mode, more tone configuration, 19 frequency-shift channels, and two included coils. Both generations share the same 5 m waterproof rating.
Q: Is the Garrett AT Max still worth buying in 2026?
Yes, for freshwater. The AT Max is a proven 10-ft submersible workhorse for rivers, creeks, and lakes. But for saltwater use, the Garrett Vortex VX9 is the stronger modern choice because it offers simultaneous multi-frequency, Multi-Salt, and 5 m waterproofing.
Q: Can I use a waterproof metal detector on dry land?
Yes. Several of the best waterproof machines — including the Equinox 900, Legend 2, Vortex VX9, Manticore, and Deus II — are also excellent dry-land detectors. The main exception is the deep-dive specialist class, where heavy hardwired designs make ordinary park hunting less convenient.
Q: How do I care for a waterproof detector after saltwater use?
Rinse every coil, shaft, cable, connector, battery compartment, and O-ring with fresh water after each saltwater session. Inspect sand and debris around seals and charging contacts. Long-term salt exposure and neglected seals are the leading causes of otherwise avoidable water damage.
Conclusion
A waterproof metal detector only earns that label when the whole electronic unit carries an official submersion rating — and the right model for you depends on the type of water you actually hunt. For wading, surf, and all-terrain use, the Minelab Equinox 900 is the safest overall pick, while the Nokta Legend 2 delivers exceptional multi-frequency value and the Garrett Vortex VX9 finally gives Garrett users a modern saltwater-capable option. Budget freshwater hunters should look hard at the Nokta Simplex ULTRA.
If your hunts go deeper, the conversation shifts. The XP Deus II is a unique lightweight crossover with genuine 20 m capability, but only with proper underwater configuration. The Fisher CZ-21 and Minelab Excalibur II remain the deep-dive workhorses — heavier and less modern, but built for a job that wireless land detectors don't handle well.
Once you settle on a waterproof detector, think about the gear that works alongside it. A quality sand scoop makes beach recovery far less frustrating, the right digging tools keep turf and creek banks intact, and understanding detector depth by soil type will help you set realistic expectations. If jewelry is the goal, see Best Metal Detectors for Jewelry Hunting for the best waterproof starter points.
→ Check the current price of the Minelab Equinox 900 on Amazon
