The law of the search

Metal Detecting and Treasure Laws in Wisconsin

Mixed
Metal detecting. Mainly non-vegetated sand beaches & shallow water; else prohibited
Treasure trove and found property. Treasure-trove / finders-keepers recognized at common law
Submerged and wrecks. Strong claim on Great Lakes shipwrecks (ASA)

Worth knowing

Great Lakes wrecks are state-protected and off-limits to salvage.

This is a plain-language starting point, not legal advice. The rules change and vary by county, city, park, and parcel, and federal land carries its own restrictions. Always confirm with the specific land manager or agency before you search, and record and report finds where the law requires it.

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