In the 9th century, the pirates destroyed the fortified settlement of Sipar, six miles north of Umag.
The Pirates chose their hiding place and escape route well. The Neretva Delta, a dense maze of reed beds, provided ample shelter and cover for their escape. Their secret village was established far enough upriver to avoid capture, as their small boats, such as the lađa', could navigate the narrow and shallow waters without fear of pursuit. No bridges connected Komin to the mainland, and the village was (and remains) hidden from the open sea by the mountainous Pelješac Peninsula, which today gives access to the island of Korcula.