Further up the bay of St. Andrew near Katakolon , 13 km from the tower are the ruins of a medieval fortress that has become known as a Pontikokastro ( ie , Sea Castle , the sea) . Farther north in the neck of the small peninsula was the ancient Pheias or Fea , now submerged in the sea , near the coast , at a depth of 5 m and deeper , but also on the coast , hiding the debris of , it collapsed after the earthquake that happened in the 6th century AD (The same earthquake that had destroyed the then Patras and other cities , and the temple of Zeus at Olympia , with t ' masterpieces of Phidias ) . The current castle was that many years ago the Acropolis of this state which destroyed .
It has an unimaginable beauty of the landscape , when someone through this castle , turns his eyes around. The goddess of the blue Ionian Sea, the spectacular coast of the Peloponnese, magical Zakynthos and Kefalonia beautiful , create a charm. Just this Franks conquerors gave the name Beauvoir, Beautegardkai Belvedere and used the castle for a summer residence.