* Euboea (also known as Evia) is the second largest island in Greece.
* Egina is a popular island near Athens.
* Elafonisi is known for its pink sand beach.
* Ermoupoli is the main town on the island of Syros.
* Epidavros is a peninsula on the Peloponnese, known for its ancient theater.
* Eresos is a village on the island of Lesbos.
* Evvia (another name for Euboea)
There may be others depending on how you define "island." Let me know if you have any other questions!