You can help expand this article with text translated from the corresponding article in Swedish. (June 2021) Click [show] for important translation instructions.
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Kopparstenarna is a shoal off the coast of Sweden in the Baltic Sea, north of the island of Gotska Sandön, in the northern end of the Gotland Basin.
![](http://up.wiki.x.io/wikipedia/commons/thumb/0/0c/Fsk_16_Kopparstenarna_1893_bredsida.jpg/220px-Fsk_16_Kopparstenarna_1893_bredsida.jpg)