50 m (160 ft)
The Adelfoi Islets (Greek: Αδελφοί, "brothers") are two Greek islands in the Sporades. They are located about 10 kilometres (6.2 mi) east-southeast of the main island of Alonnisos and also administered by a municipality of the same main island name. The 2001 census reported a population of eleven inhabitants.
Adelfoi Islets Wikipedia
Its nearest islands and islets are Alonnisos and Peristera, Skantzoura to the east and Euboea further south.