Sphacteria is a small island at the entrance to the bay of Pylos at Peloponnese, Greece. Its modern name is Sphagia. The most common dive sites are:
It is located in the west part of the bay of Navarino and blocks it from the Ionian Sea. It is a historic place and has been connected with the great victory of Athenians over the Staptans during the Peloponnesean War in 425 B.C. under the guidance of general Demosthenes who forced the garrison of the island to surrender after being besieged by the navy for 72 days. In memory of this victory the sculptor Paeonios created the magnificent statue of the «Victory of Paeonios».