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ReviewUpdated November 2026

Garrett ACE 300:a clear 0–99 target ID that beginners learn fast

Garrett ACE 300 review: 8 kHz, 0–99 target ID, Iron Resolution and pinpoint at 2.8 lb. What the specs promise, what owners report and where it falls short.

By the BuyersGuideHQ team
Research summary · not tested hands-on
Last checked · 6 min read
Garrett ACE 300 metal detector with its control box, armrest and 7 x 10 inch concentric searchcoil
Illustration based on the manufacturer's image

This Garrett ACE 300 review is for anyone choosing a first metal detector for parks, yards and school fields. On paper, it is the safe pick of our metal detector aisle: an 8 kHz single-frequency circuit, a 0–99 numeric target ID, electronic pinpointing and a 7 × 10 in coil in a 2.8 lb package. Its limits are clear too: one frequency, no user ground balance control and a control box that has to stay dry.

Garrett ACE 300 metal detector with its control box, armrest and 7 x 10 inch concentric searchcoil
Our pick · Mid-range

Garrett ACE 300

Available on Amazon.com

Availability checked on November 11, 2026. Prices change often: the button below shows today’s price and seller offers.

Affiliate link: we may earn a commission, at no extra cost to you.

The short version

The ACE 300 is a mid-range detector built around one idea: give a beginner readable information without a wall of settings. The numeric target ID, five search modes and a dedicated pinpoint button cover most of what a park or yard hunter needs. Owner feedback mostly praises how quickly people get going and how light the detector feels. The trade-offs come from its design. Wet salt sand and very mineralized soil are harder going than with a multi-frequency model, and only the coil can get wet.

Best for: beginners who want numeric target IDs and room to learn discrimination in parks, yards, fields and dry-sand beaches.

Not for: regular wet-sand or surf hunting, heavily mineralized ground, or anyone who wants to wade into water.

Specifications

Feature Garrett ACE 300
Technology Single frequency (VLF), 8 kHz, with frequency adjust
Search coil 7 × 10 in concentric PROformance, submersible
Target ID 0–99 numeric, 3 audio tones
Search modes 5 (Zero, Jewelry, Custom, Relics, Coins) plus pinpoint
Sensitivity 8 levels
Iron discrimination 4 iron segments, adjustable notch
Ground balance No user control; not listed on garrett.com
Waterproofing Coil only
Weight 2.8 lb
Length 42–51 in
Batteries 4 × AA, included; 20 to 40 hours per the manual
Warranty 3-year limited, parts and labor
Made in USA

What its strengths are worth

Garrett ACE 300 metal detector with its 7 x 10 inch concentric coil, control box and armrest
AI-generated illustration based on the manufacturer's image

A target ID you can actually learn. For each signal, the ACE 300 shows a number from 0 to 99 and plays one of three tones. That number is the main reason to choose it over an analog detector. Over a few outings, you build your own reference: the readings that turned out to be pull tabs, the ones that were coins, the ones that were nails. Analog models such as the Bounty Hunter Tracker IV give you only a needle and tones, which is harder to interpret.

Modes that match common hunts. The owner's manual describes five modes. Zero accepts every metal and helps when a signal is inconsistent. Jewelry looks for rings and chains while ignoring most iron. Relics drops small iron but keeps lower-conductivity targets such as lead, brass and bronze. Coins rejects iron, foil and pull tabs, and the manual warns that medium-sized jewelry can be missed in that mode. Custom keeps your own discrimination pattern after the detector is switched off. For a beginner, that is a sensible ladder: start in Coins, then build a Custom pattern once you know your ground.

Iron Resolution. Garrett splits the iron range into four segments, so you can reject small iron without throwing out everything at the low end of the scale. The manual makes a practical point here: use just enough discrimination to reject the iron, so a nail does not mask a coin lying next to it. That advice matters more than any single setting.

Electronic pinpointing. Hold the button and sweep in a cross pattern, and the detector narrows down the strongest signal while the screen shows the estimated depth of a coin-sized target. Smaller holes and faster recovery follow. Many hobbyists still add a handheld pinpointer, but the built-in function is enough to start.

Frequency adjust. Four small frequency offsets (F1 to F4) reduce interference from power lines or from another detector nearby. That is useful at club hunts and in city parks.

Coil and weight. The 7 × 10 in concentric coil covers more ground per swing than a small round coil, and its narrow detection center helps with pinpointing. At 2.8 lb, the detector stays comfortable for long sessions.

Ground balance: what the sources say. Garrett's product page does not list a ground balance specification. The owner's manual says the detector adjusts for ground minerals automatically, and there is no ground balance control for the user. In ordinary park soil, that rarely matters. In heavily mineralized ground or wet salt sand, a detector with manual ground balance or multi-frequency gives you more tools.

What owners say

Owner feedback on Amazon.com is largely positive. Ease of learning and setup is the most frequent praise, ahead of every other aspect. Light weight and comfort come up often, as does the fun of hunting with family and kids. Accuracy and value for money are also rated well in Amazon's summary.

Negative comments are rare in the visible feedback. One owner reports a defective part at assembly, and another finds the readings on iron and trash less accurate than expected. On hobby forums, the ACE 300 is often described as a solid first machine that teaches the basics before moving to a more technical detector, with less praise for its performance in iron-heavy ground.

Where it works best: parks, yards or beaches

Parks, yards and school fields. This is home ground. Coins mode, the numeric ID and the pinpoint cover what most beginners need, and frequency adjust helps near power lines.

Old homesteads and relic sites. Relics mode and Iron Resolution help, but iron-littered ground is demanding for any entry-level single-frequency detector. Garrett's own ACE 400 adds a 10 kHz frequency, a Double-D coil and Iron Audio for that job; see our Garrett metal detector comparison.

Beaches. Dry sand is fine. Wet salt sand is conductive and tends to make single-frequency detectors noisy. The coil is submersible, but the manual asks you to protect the control housing from heavy mist, rain and blowing surf. For regular beach hunting, a multi-frequency or fully waterproof model is a better fit.

Wherever you search, rules on public land, parks and beaches vary by place. Our guide on where to metal detect legally explains what to check before you dig; it is not legal advice.

Alternatives

  • Minelab Vanquish 340: simultaneous multi-frequency with nothing to set, better suited to mixed soil and beaches, but with a coarser target ID and no pinpoint mode.
  • Minelab X-Terra Pro: fully waterproof, with selectable frequencies and manual ground balance, for those ready to learn more settings.
  • Bounty Hunter Tracker IV: simpler and analog, for kids and first-timers who only want to try the hobby.

To see every model side by side, open our best metal detector comparison.

Frequently asked questions

Garrett does not publish a depth figure for the ACE 300. Depth depends on the size of the target, the soil, the mode and the sensitivity setting. Owner reports on hobby forums vary widely. The depth scale on the screen gives an estimate for coin-sized targets, which helps you decide how far to dig.

Garrett ACE 300 metal detector with its control box, armrest and 7 x 10 inch concentric searchcoil
Our pick · Mid-range

Garrett ACE 300

Available on Amazon.com

Availability checked on November 11, 2026. Prices change often: the button below shows today’s price and seller offers.

Affiliate link: we may earn a commission, at no extra cost to you.
The BuyersGuideHQ team

Our reviews are research summaries built from manufacturer documentation, published specs and owner feedback. We have not tested this product ourselves.

Sources · last checked November 11, 2026
  • Garrett product page (ACE 300)
  • Garrett ACE 300 owner's manual
  • Amazon.com product listing
  • Summary of owner feedback on Amazon.com
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