Pinellas & Hillsborough Beaches: Agate & Carnelian Rockhounding in Pinellas County, Florida

Quick details

Access

Public area

County

Pinellas County

State

Florida

Nearest road

120th Avenue West

Postcode

33708

Coordinates

27.77403, -82.77925

Geology at Pinellas & Hillsborough Beaches

This spot sits on sediments, mapped as sand that formed within roughly the last 12,000 years. Reworked sediments like these can carry fossils eroded from older beds upstream, typically as rolled bone fragments, teeth, and shell material.

Mapped unit

sediments

Age

< 1 Ma (Holocene)

Rock types

sand

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.

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 Pinellas & Hillsborough Beaches

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

• AgateEncyclopedia →
• CarnelianEncyclopedia →
• ChalcedonyEncyclopedia →
• ChertEncyclopedia →
• Fossilized Coral