Sifno's main attraction is Platos Gialos - a sleepy little beach village where most of the signs are only in Greek. You almost feel like you have stumbled into a private party until you see English on the menus of one of the half dozen tavernas. Sifnos is mostly visited by Greeks and the rare tourist who is looking for a place where the discos don't drown out the melody of the waves lapping up on the beach.
Visually attractive and still Greek. For the thirty and older crowd, single or married with children. Apollonia, in the center of the island, has fun nightlife. Great beaches all around the island. Fantastic food and wine. My favorite for twenty years. Port of Kamares is nice combination of beach, restaurants and a few bars all within walking distance. Stavros Hotel is great place to stay with a view of the beach and harbor from your balcony. The cleanest port in the entire Aegean. Houses and villas for rent all over the island. Vathi is quiet with excellent food at Manolis Taverna. You can get there by road or small daily boat.

There are daily ferries doing the 5 hour trip from Pireaus and there are daily connctions with Serifos, Kythnos and Milos.During the summer there are daily or almost daily connections to Santorini, Paros, Naxos, Mykonos, Ios, and Syros by flying dolphin. There is also a a ferry that stops in Sifnos on its way too and from Rethymnon, Crete three times a week.