The Sporades, off the coast of Greece, are a line of islands stretching out into North Aegean. Once a refuge for pirates, known variously as Satan's Islands, Demon Islands, Thieves' Dens and the islands of the Magnesians, the Northern Sporades - literally meaning 'scattered' - with their dramatic changes from island to island, strange geological forms and historical remains, are among Greece's most delightful secrets.  The three islands nearest the mainland, Skiathos, Skopelos and Alonnisos, are generally well known to visitors. However the islands further out are not so well known and retain the feel and charm of an older era. This area is well known to flotilla and other yacht sailors for whom it provides a quieter cruising area than the Ionian, the busier counterpart on the Greek west coast.  A constellation of glittering jewels scattered across the Aegean Sea, the Sporades are some of Northern Greece's best-kept secrets.⁠ Beyond Alonnisos there are: Perister

A 19th century Monument, first operated in 1895. It is located on the northern side of the uninhabited island of Psathoura, which belongs to the Marine Park of Alonissos Northern Sporades. This impressive circular tower was built from 1893 to 1895 by Skopelian stonemasons who used the island's local dark volcanic stones for its construction and is one of the tallest lighthouses in the Aegean Sea.  Type of construction : Circular Year of construction : 1895 Height : 28.90 metres - Focus : 40 Coordinates : 39°N30, 24°E11 Signal : a white flash of 1 sec / 10 sec Illumination Range : 17 nautical miles In 2001 it was characterized as a monument for historic preservation by the Ministry of Culture.  The Psathoura lighthouse belongs to the Lighthouse Network of Magnesia consisting of five stone lighthouses; the lighthouse on Trikeri, the lighthouse of “Gourouni” on Skopelos, the lighthouse on Psathoura, the lighthouse "Argyronisiou" and the lighthouse of “Repi” on Skiathos.  Psa

Agios Petros (St. Peter) is a deep bay on the southwest side of Kyra Panagia - the second island one encounters after Peristera in the National Marine Park of Northern Sporades. St. Peter's bay is a safe, natural haven.