Manitou Island — Rockhounding in Keweenaw County, Michigan

Manitou Island is a mapped rockhounding spot in Keweenaw County, Michigan. Reported finds include lake superior agates. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Keweenaw County
State: Michigan
Postcode: 49918
Coordinates: 47.41499, -87.62794

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Found at Manitou Island

Each chip links to all spots in the U.S. that produce that material.

Lake Superior Agates

Nearby rockhounding spots

Other rockhounding spots within driving distance of Manitou Island.

Manitou Island FAQ

Where is Manitou Island?+

Manitou Island is in Keweenaw County, Michigan, at 47.41499, -87.62794.

What rocks and minerals can you find at Manitou Island?+

Manitou Island is reported to produce Lake Superior Agates.

Is collecting allowed at Manitou Island?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

How do I get to Manitou Island?+

Open the directions link to navigate to 47.41499, -87.62794 in Google Maps. Some spots are remote — check road conditions before driving out.

More rockhounding in Michigan

See all 22 Michigan spots →

Open Manitou Island on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.