Explore › NorCal bottle digging
Martinez old waterfront flats
BOTTLE DIGGING
GRAY AREA
INFERRED
Where: NorCal · approx. 38.02, -122.14 (vicinity only)
Why this spot: 1850s+ ferry and fishing town waterfront
Access: Gray area.
City/state tidelands east and west of marina.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.