Where: Japan · Asia · approx. 34.38, 133.38 (vicinity only)
Why this spot: Edo tide-waiting port on the Seto Inland Sea; Japan's most complete set of Edo harbor works: 1859 Joyato lantern, gangi steps, wave breaks, dock office
What turns up: sea glass and shell at step margins, intact Edo harbor engineering
Access: Gray area.
Nationally protected historic harbor and preservation district: the stone works are untouchable, so this is strictly a look-only foreshore with at most sea glass off the gangi margins; buried relics reportable under the Cultural Properties Protection Law
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.