Where to Find Agate in Connecticut
Connecticut has 4 mapped collecting spots that report agate, spread across 4 counties. 4 of the spots are on land mapped as publicly accessible.
Every agate spot we track in Connecticut
Best spotPlum Bank BeachLower Connecticut River Valley Planning Region, ConnecticutPublic access · Agate, Moonstone
Best spotGuilford & East HavenSouth Central Connecticut Planning Region, ConnecticutPublic access · Agate
FarmingtonCapitol Planning Region, ConnecticutPublic access · Agate, Prehnite
TorringtonNorthwest Hills Planning Region, ConnecticutPublic access · Agate, Prehnite
Standout agate spots in Connecticut
Hand-picked from the full list above, with the reason each one earns a trip.
Plum Bank Beach
Lower Connecticut River Valley Planning Region
Plum Bank Beach is one of Connecticut's more reliable shoreline spots for surface agate and moonstone, tumbled from glacial outwash and concentrated in the beach gravel by Long Island Sound tides.
Guilford & East Haven
South Central Connecticut Planning Region
The Guilford and East Haven shoreline yields water-worn agate, jasper, and quartz pebbles carried in as glacial erratics and reworked by Long Island Sound, a long-documented occurrence in Connecticut locality guides.
Best counties for agate in Connecticut
Ranked by the number of mapped agate spots. County links open the full rockhounding page for that county.
Before you go
Read the agate identification guide so you know what a keeper looks like in the field: Agate in the encyclopedia.
