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California

Cayucos, CA

Estero Bay pier town

Tidal mudflat Source-confirmed findsGray area

What you could find

Reported finds from this shoreline.

Old bottlesOld bottles

Photos via Wikimedia Commons: Sheila Sund (CC BY 2.0).

Why this spot

1890s+ Sanborn-mapped town on Pacific coast (Estero Bay)

An 1895 Sanborn of a small coastal pier town shows enough development that its beachfront privies and back-lot dumps should hold intact bottle-era finds.

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.