Deauville Beach: Quartz Rockhounding in Sussex County, Delaware

Updated June 2026

Deauville Beach is a mapped rockhounding spot in Sussex County, Delaware. Reported finds include quartz. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Sussex County
State: Delaware
Nearest road: Surf Avenue
Postcode: 19971
Coordinates: 38.72288, -75.07641

Geology at Deauville Beach

This spot sits on Chesapeake Group, mapped as Tertiary silt. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit: Chesapeake Group
Age: Tertiary
Rock types: silt
Elevation: 0 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 Deauville Beach

Conditions here are workable year-round, with typical highs from 46°F in winter to 88°F in summer.

Climate normals: NOAA 1991-2020 monthlies, LEWES 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 Deauville Beach

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

Quartz Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Deauville Beach.

Across the state line from Deauville Beach

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

Deauville Beach FAQ

Where is Deauville Beach?+

Deauville Beach is in Sussex County, Delaware, at 38.72288, -75.07641. Nearest road: Surf Avenue.

What rocks and minerals can you find at Deauville Beach?+

Deauville Beach is reported to produce Quartz.

Is collecting allowed at Deauville Beach?+

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 Deauville Beach?+

A rock hammer, a small pry bar, gloves, and safety glasses cover most crystal ground. A screen helps in loose pocket soil, and newspaper protects points on the way out.

When is the best time to visit Deauville Beach?+

Deauville Beach is workable year-round.

How do I get to Deauville Beach?+

Open the directions link to navigate to 38.72288, -75.07641 in Google Maps. The nearest road is Surf Avenue.

More rockhounding in Delaware

See all 13 Delaware spots →

Open Deauville Beach on the map

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