Where: Nordics · Europe · approx. 60.14, 24.98 (vicinity only)
Why this spot: 1748-1918
What turns up: (observe only)
Access: Prohibited / view only.
Entire fortress is a protected antiquity plus UNESCO; ground disturbance banned - and Finland's Antiquities Act makes ANY find over 100 years state property. Photograph the shard drifts at Kustaanmiekka after south storms.
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.