In Sifnos the visitor shall find many locations which are worth visiting:
Wandering around in the paved narrow streets of Apollonia, you will have the chance to admire its beautiful architecture. The simple decoration offers a total of unique aesthetic value. One first walk on the central pedestrianized street will help you discover how many churches there are which are totally connected and perfectly integrated into the residential complex. It is worth visiting the Folklore museum of Sifnos, where you can admire exhibited articles from the traditional life of the island, as well as the churches of Panagia "Geraniofora" (which bears the sky), the old school of Agios Artemios (1832-1988), panagia Mparou, churches with frescos and artistic icon screens such as Agios Athanassios, Agios Sostis, the Metamorphosis of Sotiras, Timios Stavros, Agios Sozon etc.
As regards your afternoon, we propose that you visit the noble Artemonas. The walk around the paved narrow streets of the village is a unique experience, as the visitor can see some of the most beautiful mansions of the island, in the railed in verdant gardens.
The promenade in all the neighborhoods keeps continuous surprises and the image of this marvelous residential complex when it is bathed in the faint light of the afternoon shall certainly touch your soul. The village, with the particular residential development, attracts the visitors in a magic way.
The visitor besides from the classic mansions, must also visit the house where the poet Ioannis Gryparis was born and the churches Panagia Kochi with its interesting architecture, Panagia of Ammos, where one can see the icon Panagia the Monachi, a rare representation of the Virgin Mary without the Holy Infant, and the beautiful church Panagia of Balis and Agios Spyridonas and Agios Loukas or Ai Loukas in the local dialect, at the entrance of Artemonas, the interesting churches of Ag. Giorgis Afentis with the famous icons which date from 1645, works of important hagiographers as for instance Zacharias Tzagaropoulos and Konstantinos Palaiokapas and of Panagia of Ammos. Also you must visit the church of Agios Konstantinos with its unique architecture and the bust of Nikolaos Chrissogelos at the homonymous square.
An afternoon walk in Kastro is also very pleasant with its particular architecture, which still maintains the characteristics of the Venetian fortress which has been built in 1635. Wandering around the narrow back streets of Kastro offers moments of unique pleasure! One could say that in this place time has stopped, while the atmosphere captures the visitor transmitting the glamour of the old times.
The narrow paved streets with the low stone benches, the dark arcades, the old houses with the wooden balconies, the blazons at the entrances, the ancient pillars that were later used as architectural parts, the marble Roman urns that one meets spread all over the village with the relief jewels, the embrasures and the narrow courtyards of the houses, the picturesque little church of the "Eftamartyros", which seems to have climbed on a rock rising of the sea, compose a unique experience that everyone must have! Do not forget during your walk in Kastro to visit the Archaeological Museum of Sifnos where you can admire marvelous collections of Archaic and Hellenistic sculptures. 
We also recommend you to follow the route, which leads to Platis Gialos. On the road from Apollonia to Platis Gialos you shall find Moni Vryssianis where the Museum of Ecclesiastic Art is lodged, among the exhibited articles of which, you shall find old publications’ issues, one Gospel that dates from 1796, reliquaries, cherubims, sacred ware, vestments, icons etc. After your visit to Moni Vryssianis you can also visit the monastery of Panagia tou Vounou (Virgin Mary of the Mountain). The panoramic view from the monastery’s courtyard over the beach of Platis Gialos is magic. Then finish your walk with a visit to the Monastery of Panagia of Crissopigi. The sight of the small foreland with the monastery of Chrissopigi (1650), the protector of the island, dominating proudly on the lacerate rock, takes your breath away. The sacred rock with the snowy-white building, the almost absent vegetation, the vastity of the Aegean Sea and the peaceful magnificence of the space, compose a lovely environment, a real optical pleasure for the one who faces it!
Taking a walk in the beautiful picturesque village of fishermen, Faros you can visit the Monastery of Stavros, on the beach of Fassolou, from where the view over to Chrissopigi and to the facing islands is magic. At the west side of the gulf of Faros, taking the most famous path of the island from the beach of Vlicho or Glipho to Chrissopigi, you shall pass by ruins that date from the last century, of ore shipping installations, for the ore’s transfer to Lavrio and its processing there and exactly above them, at the top of the hill there is the country church of Ag. Ioannis, where from, the view to the rock of Chrissopigi, to the beach of Apokofto and to the three beaches of Faros is panoramic! If you continue walking o the path which leads to Chrissopigi, one short stop in Agios Charalambos shall give you the opportunity to feel that you are standing on the balcony of the Aegean Sea!