Where: Massachusetts · North America · approx. 42.05, -70.19 (vicinity only)
Why this spot: 1900 historic-map era
What turns up: Portuguese-fishery and whaling-era bottle glass, ceramic and sea-glass in the harbor sand below the old wharves.
Access: Gray area.
Municipal beach and state intertidal land; loose sea-glass picking tolerated, historic removal restricted.
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.