Magnet Fishing Laws in Michigan

State Agency & Regulatory Framework

Michigan's combination of Great Lakes access, extensive inland lakes, and thousands of rivers and streams makes it one of the most productive states for magnet fishing — but also one of the most regulated from a state park standpoint. Outside state park boundaries, Michigan DNR Wildlife Management Areas, public boat launches, and waterway access sites provide numerous legal access points. Michigan's found property law and the Michigan Historical Act both apply to significant finds. The Great Lakes bottomlands are managed under state public trust principles; contact MDNR for specific waterway bottom access questions.

State Park Policy

Michigan DNR has interpreted its prohibition on unauthorized removal of property from state parks to include items recovered by magnet fishing. Individual cases have resulted in citations at several popular state park locations. Contact specific parks for current enforcement posture.

Waterway Access & Navigability

Michigan has some of the most extensive public waterway access in the United States, including the Great Lakes shoreline and thousands of inland lakes. Michigan's Great Lakes bottomlands are state-owned public trust lands. The Michigan riparian access doctrine is well-developed.

If You Find a Firearm

Regardless of Michigan state law details, the protocol for a firearm find is consistent: do not transport it, call the local non-emergency police line immediately, document the find location, and turn it over to the responding officer. Request a case number. For the full protocol, see: Found a Gun While Magnet Fishing.

Historical Artifact Reporting

Items 100+ years old recovered from public land in Michigan may be protected under the Archaeological Resources Protection Act (federal) and Michigan state antiquity law. Contact your State Historic Preservation Office before disturbing or retaining any potentially historical find.

Michigan SHPO: State Historic Preservation Office, (517) 335-2717

Quick Reference

• Managing Agency: Michigan Department of Natural Resources (MDNR) — (517) 284-9453
• General Access Status: Prohibited in State Parks
• State Parks: Michigan DNR has interpreted its prohibition on unauthorized...
• SHPO: Michigan SHPO: State Historic Preservation Office, (517) 335-2717
• Found Firearms: Call non-emergency police, do not transport
• Federal Waterways: Contact USACE district office for managed sites

Key Guides for Michigan Magnet Fishers