Arki (ancient Arkitis) is the largest islet of a chain of islets to the northeast of Patmos, and within a walking distance from north of Leipsi. It is surrounded by the islets Smineronisi, Tsuka, Tsoukaki, Abaptistos, Makronisi, Psathonisi, Kalovolos and Nisaki, as well as the largest islet Marathi. All of them constitute a protected area of the European network Natura 2000. Arki has 44 permanent residents and an area of 6,69sq. Km, while the coast is about 25 km long. The small harbor is sheltered and surrounded by old, white, stone houses, and during the summer there are some taverns and rooms to let that operate. The famous beaches of Arki are Limnari, Kapsalismenos and Tiganakia (the latter has with clear blue waters, half beach is covered with sand and half with pebbles and it is sheltered from the wind by the rocks in front of the bay).