The Con Pasha Mansion, also known as John Avrimidis Mansion, is located on Buyukada. Achileus Polics was the architect of this striking villa, built in 1880 by the Lesbos-born Con Pasha. Con Pasha was the manager of the Idare-i Mahsusa, which carried out the first Kadikoy-Adalar ferry voyages in history. The Mansion features wooden ornaments and sculptures.