Where: Japan · Asia · approx. 35.25, 139.74 (vicinity only)
Why this spot: Small strand under the Meiji fortress batteries of Kannonzaki at the Tokyo Bay entrance, catching drift from the busiest shipping lane in Japan
What turns up: sea glass, pottery shards, small shells
Access: Open / legal.
Inside prefectural Kannonzaki Park; picking beach-drift glass and shards is unrestricted, park plants and rockpool life are not take-home items
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.