It is a very closed bay that is more like a lake. It has two small settlements: Exo Vathy (at the entrance of the gulf) and Mesa Vathy which is at the edge of the gulf with a few trees, vineyards, fields. You can reach Vathy Beach either by car/motorbike or with the daily excursion boats.
Steno, as the local townspeople refer to it, divides Astypalaia into the eastern part known as the "Inner Island" and the western part known as the "Outer Island". The concrete road towards the "Inner Island" stretches past the successive beaches "Marmaria", "Steno", "Plakis" and the "Blue Limanaki" until it reaches Analypsi or Maltezana after a total of 9 Km.