Manitou Island — Rockhounding in Keweenaw County, Michigan
Manitou Island is a mapped rockhounding spot in Keweenaw County, Michigan. Reported finds include lake superior agate. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Manitou Island in Keweenaw County, Michigan
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.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
State guidance last verified:
- Michigan DNR — Rockhounding rules
- Michigan Geological Survey
- Isle Royale National Park — Rules
- Community submissions reviewed against published agency rules
Found at Manitou Island
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Manitou Island.
- Keweenaw PointKeweenaw County, Michigan · 4 mi awayKeweenaw Agate, Adularia, Chalcedony
- Torch Lake BeachHoughton County, Michigan · 43 mi awayFossils, Petoskey Stones
- McClain State ParkHoughton County, Michigan · 48 mi awayAdularia, Chalcedony, Chert
- Rope MineMarquette County, Michigan · 61 mi awayGold, Pyrite, Chalcopyrite
- Jasper HillMarquette County, Michigan · 64 mi awayJasper, Jaspilite, Hematite
- Mt. ShastaMarquette County, Michigan · 64 mi awayGarnet
- Michigamme MineMarquette County, Michigan · 64 mi awayChalcedony, Hematite, Jaspilite
- Tobin Harbor AreaKeweenaw County, Michigan · 65 mi awayAgate, Carnelian, Quartz
Manitou Island FAQ
Where is Manitou Island?+
What rocks and minerals can you find at Manitou Island?+
Is collecting allowed at Manitou Island?+
How do I get to Manitou Island?+
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.
