10 Best Metal Detector Depth 2026 in the United States

The Garrett ACE 400 is a solid choice for hobbyists who want a reliable metal detector with useful features to help identify and find targets more accurately. It operates at a frequency of 10 kHz, which is a good balance for detecting a variety of metals at moderate depths—ideal for coin shooting or relic hunting in parks and fields. The adjustable frequency is a nice touch, letting you reduce interference from electrical sources or other detectors nearby, which can make hunting more pleasant and efficient. The inclusion of a 6-inch searchcoil and electronic pinpointing helps you locate targets precisely once detected. The digital Target ID ranging from 0 to 99 aids in distinguishing between different metals, so you’re less likely to dig up unwanted trash. The Iron Audio feature is also handy, allowing you to hear signals from iron objects separately, which can save time by avoiding low-value items like bottle caps.

The detector lacks advanced ground balance controls, which might limit performance in highly mineralized soils. The unit is relatively lightweight and adjustable up to 51 inches, making it comfortable for longer hunts. It comes with headphones and protective covers, adding good value. Battery life is about 5 hours, which is decent but could require spares for extended use.

The Garrett ACE 400 is well suited for beginners and intermediate users looking for a versatile, user-friendly detector with practical features, though those needing deep searching or specialized soil balancing might want to explore higher-end models.

The MINELAB MANTICORE is a high-powered metal detector designed for serious treasure hunters, offering advanced features that cater to various environments and user needs. One of its standout features is the MULTI-IQ+ technology, which boosts detection depth and performance, making it significantly more efficient than traditional detectors. With an operating frequency of 12 kHz, it is well-suited for finding a range of metal targets, including coins and gold nuggets.

Users will appreciate the advanced target ID system, which provides both visual and audio feedback to help distinguish valuable finds from junk. This capability is enhanced by the device's discrimination features, allowing for precise filtering of unwanted targets, making your search more productive.

The MINELAB MANTICORE is built for versatility with 10 different search modes, enabling use on various terrains like beaches and inland areas. Its waterproof design allows operation up to 16 feet deep, which is great for those who want to hunt in water. The customizable audio controls and backlit display enhance usability in different conditions, making it easier for users to detect targets in low-light environments. It may take some time for new users to fully master its features and settings.

The Garrett ACE 300 Metal Detector is a solid choice for adults looking to get into metal detecting. One of its standout features is the submersible search coil, which allows you to search in shallow water without worrying about damaging the device. The 7” x 10” coil is a good size for general detection, providing a decent balance between depth and coverage.

Additionally, the package includes useful accessories like headphones with volume control, an environmental cover, and a coil cover, which add value to the purchase. The device operates with 4 AAA batteries, offering up to 25 hours of use, which is quite impressive for prolonged detection sessions. Its weight is manageable at around 5 pounds, making it relatively easy to carry for extended periods. The ACE 300 also features adjustable length, catering to users of different heights.

When it comes to performance, the detector has an international protection rating of IP54, meaning it’s protected against dust and splashes of water. The LCD display is straightforward and easy to read, showing essential information to the user. Despite some minor drawbacks, the Garrett ACE 300 is well-suited for beginners or hobbyists who want a reliable and easy-to-use metal detector to start their treasure-hunting adventures.