Quarry Island — Rockhounding in Dakota County, Minnesota

Quarry Island is a mapped rockhounding spot in Dakota County, Minnesota. Reported finds include lake superior agate. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Dakota County
State: Minnesota
Nearest road: I 494
Postcode: 55111
Coordinates: 44.86794, -93.18087

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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Quarry Island

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Lake Superior Agate Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Quarry Island.

Across the state line from Quarry Island

Quarry Island is close enough to the Minnesota border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Quarry Island FAQ

Where is Quarry Island?+

Quarry Island is in Dakota County, Minnesota, at 44.86794, -93.18087. Nearest road: I 494.

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

Quarry Island is reported to produce Lake Superior Agate.

Is collecting allowed at Quarry 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 Quarry Island?+

Open the directions link to navigate to 44.86794, -93.18087 in Google Maps. The nearest road is I 494.

More rockhounding in Minnesota

See all 49 Minnesota spots →

Open Quarry Island on the map

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