Zakynthos, Greece

https://www.greektravel.com/greekislands/zakynthos/

October and plenty of charters from northern Europe, especially the UK, from May to October. The main ferry connection is from Kyllini on the coast of the Peloponnese, which has 5
Nick Edwards's colorful guide to the beautiful island of Zakynthos(Zante) from Matt Barrett's Greece Travel Guides

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