The Flour Mill in Agia Marina, Leros: The capital town of Leros covers an area of about 55 sq. km. in this picturesque town, you can visit the Roman fortress at the port of Platanos, a well-preserved castle and a monastery built on the ancient ruins of the Apitini hill. There is a Roman castle set up in the ruins of the ancient acropolis at the entry of the port of Agia Marina. One of the most significant attractions in Leros, however, is the conventional flour mill of the 20th century at the seaside near the entry of the port. You would be left spellbound at the fresh looking and well-preserved remains of this old flour mill. This is one attraction that is definitely not to be missed.