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50-state metal detecting intelligence

Metal Detecting in Maryland

Official-source rules, permission pathways, map context and practical next steps—kept separate from the rockhounding atlas.

50-State Metal Detecting Map

Maryland Metal Detecting Map

Filter, inspect and navigate the current Maryland records with real map layers and permission-aware location details. Written rules always control permission.

14,825verified records
50states
298verified pins
14,825navigable
Map ≠ detecting permission. A marker or temporary search match is navigation context only. Written manager rules, posted restrictions, permits, protected-resource law, ownership and exact designated zones always control.
United States
State bubbles, verified pins and clusters are clickable · drag, zoom or change map layers
● Allowed / conditional● Permit● Prohibited● Restricted● ReviewBasemaps: OpenStreetMap / USGS · overlays: BLM
Verified pins are independently grounded public reference points. Query-only records appear on the map only after an explicit visitor request and remain temporary.

Maryland metal detecting status at a glance

Maryland does not have one universal public-land answer. The controlling result depends on the exact managing agency, legal scope, recovery method and any designated-zone requirement.

227Total researched locations
227Actionable decision pages
100%Actionable coverage
0Research holds

Maryland coverage complete: every record in the researched state inventory has a public actionable decision. This does not mean every site is allowed and it does not turn confirmation-required or zone-confirmation pages into trip-ready places.

85Authorization required — Office of Archaeology permit plus Service use permit before metal-detector/relic digging activity
55Prohibited — ordinary recreational detector use outside an eligible designated swimming-beach exception
20Prohibited
14Authorization required — metal detector/digging allowed only when authorized by Permit or Park Directive
13Allowed with restrictions — modern coins/jewelry only on an eligible designated swimming beach with Park Manager permission
11Prohibited — ordinary recreational metal detecting and artifact removal
9Allowed with restrictions — annual personal permit, training/certification, seasonal closure and site restrictions
7Manager/site confirmation required — exact parcel manager controls detector and recovery rules
5Search/recovery restricted; modern lost-item detector use requires refuge-specific verification
4Prohibited — specifically excluded from Baltimore City metal-detector permit privileges
1Allowed with restrictions — day after Labor Day through May 30, ocean side of primary dune only
1Allowed with restrictions — permitted beach/swimming areas subject to seasonal hours and Park Manager controls
1Manager/site confirmation required — archaeological and museum property; no blanket recreational detector permission established
1Zone confirmation required

Maryland metal detecting: quick answers

Is metal detecting legal in Maryland?

There is no single statewide yes/no answer for every public place. This database currently contains 227 verified Maryland records, and each result depends on the managing agency, exact legal scope, recovery method, protected-resource rules and any permit or designated-zone requirement.

Do you need a permit to metal detect in Maryland?

0 current Maryland records have a permit/authorization signal. Other records may be prohibited, confirmation-gated, zone-restricted or governed by a different rule, so public access alone is never treated as permission.

Does every record have map access?

Yes. Independently verified coordinates appear as pins; records without verified coordinates use safe on-demand address/name navigation, and sensitive records use a broader agency/locality reference. None of these map modes represents a permission boundary.

How current is the Maryland metal detecting database?

The newest verification date represented in the current Maryland verified inventory is 2026-08-29. Every location page also shows its own verification date, evidence grade and official source.

Maryland structured dataset

Use the state-filtered JSON inventory for machine-readable legal status, managing authority, permit/recovery fields, verification evidence and safe map-reference metadata.

Open Maryland JSON dataset

Explore Maryland by agency, system and local area

Maryland Corps of Engineers Metal DetectingMaryland Metal Detecting LawsMaryland National Parks Metal DetectingMaryland National Trails & Mixed Federal CorridorsMaryland National Wildlife Refuges Metal DetectingMaryland State Forests Metal DetectingMaryland State Parks Metal DetectingMaryland Wildlife Management Areas Metal DetectingMetal Detecting in Baltimore, MarylandMetal Detecting in Montgomery County, MarylandMontgomery Parks Metal Detecting

Use the map explorer above to browse the complete state inventory without loading every location page into one response.