Islands of Peloponnese (region)

Elafonisos () is a small Greek island between the Peloponnese and Kythira. It lies off the coast of Cape Malea and Vatika. The area of the island is .

Sphacteria ( - Sfaktiria) also known as Sphagia (Σφαγία) is a small island at the entrance to the bay of Pylos in the Peloponnese, Greece. It was the site of three battles:

Sapientza or Sapienza () is a Greek island off the southern coast of the Peloponnese, near the city of Methóni. It is administratively part of the municipality of Pylos-Nestor, in Messenia. The 2011 census reported a population of two inhabitants. Sapientza is the second largest island of the Messenian Oinousses, a small group island which consists of three small islands (Schiza, Sapientza and Agia Marina). Its name is of Italian origin and means wisdom. The Calypso Deep, the deepest point of the Mediterranean Sea at , is located south-west of Sapientza.

of the Ionian Islands, Greece

Cranae or Kranai ( ) (also called Marathonisi) is a Greek island on the Mani Peninsula in the southern Peloponnese. Located just off the coast of the port town Gytheio (ancient Gythium), the island is linked to the mainland by a causeway built in 1898.

Schiza () is a Greek island off the southwestern coast of the Peloponnese. According to 2011 census, the island is uninhabited. Administratively it is part of the municipality of Pylos-Nestor in Messenia. It is the largest island of the Messenian Oinousses, an island complex that consists of two main islands (Schiza and Sapientza) and few rocky islets. Its area is 12.3 Km2. Schiza along with other Messenian Oinousses have been included in the Natura 2000 Network, with code GR2550003.