Sullivan Cove: Amber Rockhounding in Anne Arundel County, Maryland

Updated June 2026

Sullivan Cove is a mapped rockhounding spot in Anne Arundel County, Maryland. Reported finds include amber. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Anne Arundel County
State: Maryland
Nearest road: Holly Avenue
Postcode: 21146
Coordinates: 39.06737, -76.54818

Geology at Sullivan Cove

This spot sits on ground mapped as water. Fresh exposures, cuts, and drainages are typically the most productive places to look on ground like this.

Mapped unit: water
Elevation: 40 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Sullivan Cove

Best months: February to December. Typical highs run 89°F in midsummer and 44°F in midwinter, with winter lows near 29°F.

Climate normals: NOAA 1991-2020 monthlies, ANNAPOLIS POLICE BRKS station (6 mi away).

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 Sullivan Cove

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

Amber Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Sullivan Cove.

Across the state line from Sullivan Cove

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

Sullivan Cove FAQ

Where is Sullivan Cove?+

Sullivan Cove is in Anne Arundel County, Maryland, at 39.06737, -76.54818. Nearest road: Holly Avenue.

What rocks and minerals can you find at Sullivan Cove?+

Sullivan Cove is reported to produce Amber.

Is collecting allowed at Sullivan Cove?+

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.

What tools should I bring to Sullivan Cove?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit Sullivan Cove?+

The most comfortable months at Sullivan Cove are February to December.

How do I get to Sullivan Cove?+

Open the directions link to navigate to 39.06737, -76.54818 in Google Maps. The nearest road is Holly Avenue.

More rockhounding in Maryland

See all 42 Maryland spots →

Open Sullivan Cove on the map

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