Dating 50 plus Christiansø
A similar distance further inland is Almindingen, Bornholm's largest forest, where there's a lookout tower with fabulous views across the island.
These days, the tiny population is made up of artists and fisherfolk (who pride themselves on the delicious spiced herring they produce).
The wild, unkempt but popular Romo is connected to Jutland by a 10km causeway that passes over scenic marshland with hundreds of wading waterbirds dodging between the grazing sheep.
The sandy western side attracts an interesting mix of windsurfers, basking seals and nudists.
If you want to learn more about life on the island, visit the Christianso Museum in the small tower that was once part of a large fort.
For somewhere offering a little more peace and quiet, look no further than the tranquil islands of Lso and Mon.