Agates near Marquette, MI
9 of the mapped rockhounding spots within 150 miles of Marquette report agate. The closest is Manitou Island, about 61 miles out (1 hr 16 min drive).
Agates are banded chalcedony nodules that survive long after their volcanic host rock rots away, which is why they concentrate in gravel bars, beaches, and glacial deposits far from where they formed.
Map of 9 agate collecting spots within 150 miles of Marquette, Michigan
Closest agates spots to Marquette
- Manitou IslandKeweenaw County, Michigan61 mi · 1 hr 16 min driveLake Superior Agate, Quartz
- Keweenaw PointKeweenaw County, Michigan62 mi · 1 hr 17 min driveKeweenaw Agate, Thomsonite, Datolite
- Woodland Park Beach, Grand MaraisAlger County, Michigan67 mi · 1 hr 24 min driveYooperlite, Lake Superior Agate, Jasper
- McClain State ParkHoughton County, Michigan75 mi · 1 hr 34 min driveAdularia, Chalcedony, Chert
- Lake Superior Beach (Ontonagon)Ontonagon County, Michigan95 mi · 1 hr 58 min driveKeweenaw Agate, Thomsonite, Chalcedony
- Gull PointOntonagon County, Michigan104 mi · 2 hr 10 min driveKeweenaw Agate
Types of agates reported near Marquette
Counts reflect how many spots in this radius mention each variety.
- Keweenaw Agate4
- Agate2
- Lake Superior Agate2
- Agate Nodules1
Every agate spot within 150 miles of Marquette
Sorted by distance from Marquette. Tap a row for directions, access status, and nearby trips.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Manitou Island | Keweenaw County | 47.4150, -87.6279 | Public | |
| Keweenaw Point | Keweenaw County |
| 47.4079, -87.7115 | Public |
| Woodland Park Beach, Grand Marais | Alger County |
| 46.6733, -85.9911 | Public |
| McClain State ParkBear Lake Road | Houghton County |
| 47.2368, -88.6147 | Permission |
| Lake Superior Beach (Ontonagon)Lakeshore Road | Ontonagon County |
| 46.8713, -89.3352 | Public |
| Gull PointM 64 | Ontonagon County |
| 46.8361, -89.5495 | Public |
| Carnelian beachIsland Mine Trail | Keweenaw County | 47.9047, -89.0038 | Permission | |
| Tobin Harbor AreaStoll Trail | Keweenaw County | 48.1654, -88.4635 | Permission | |
| Iron CountyIron Horse Trail | Iron County | 46.4577, -90.2522 | Public |
Agates near Marquette FAQ
Where can I find agates near Marquette?+
9 mapped spots within about 150 miles of Marquette report agate. The closest is Manitou Island in Keweenaw County County, roughly 61 miles away (1 hr 16 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Marquette?+
6 of the 9 spots here sit on land mapped as publicly accessible. Casual hand collecting of common rocks and minerals is allowed on most BLM and Forest Service land with limits set by the local field office; national parks and most state parks are closed to collecting. Confirm current rules with the managing agency before a trip.
What is the fastest way to spot an agate in a gravel bed?+
Look for waxy luster and translucence rather than color. Wet the stone or look right after rain: agate glows softly at thin edges when backlit, while jasper and chert stay opaque. Banding clinches it but is often hidden until the stone is cracked or tumbled.
How far from Marquette do I need to drive?+
The nearest agate spot is about 61 miles out, and the farthest on this list is 136 miles. Most fall inside a normal weekend day-trip radius.
Keep exploring from Marquette
Agates near other cities
Hunt agates around Marquette with the map in your pocket
RockHoundR shows these spots on an offline map with public land overlays, geology layers, weather, and a log for your finds.
