When people think of Greece, names like Santorini, Mykonos, and Crete usually come to mind. But beyond the world-famous destinations lies another Greece—quiet, authentic, and breathtaking. Scattered across the Aegean and Ionian seas are hundreds of islands that remain off the beaten path, perfect for travelers seeking authenticity, peace, and natural beauty.
This guide reveals 10 hidden islands in Greece you should visit once in your life. Whether you dream of secluded beaches, traditional villages, or untouched landscapes, these islands offer unique experiences without the overwhelming crowds. And with Aitinery, you can design a route that connects these hidden gems, tailoring your island-hopping adventure to your style.
1. Astypalea – The Butterfly of the Aegean
Astypalea, shaped like a butterfly, blends Cycladic and Dodecanese architecture. Whitewashed houses climb up to a Venetian castle, while hidden coves offer total serenity.
- Why visit: Authentic atmosphere, quiet beaches, stargazing.
- Best in autumn: The island is peaceful, with warm waters for late swimming.
2. Folegandros – Santorini’s Quieter Sister
Often called a “mini Santorini,” Folegandros has dramatic cliffs and a charming main town (Chora) perched high above the sea.
- Why visit: Incredible sunsets without the tourist crowds.
- Best for: Romantic escapes and photography lovers.
3. Koufonisia – The Small-Cyclades Paradise
Tiny but unforgettable, Koufonisia is made up of two islands, with endless turquoise beaches. Everything is walkable, adding to its charm.
- Why visit: Crystal-clear waters, slow island life.
- Ideal for: Beach lovers who want to disconnect.
4. Ikaria – The Island Where People Forget to Die
Famous for its longevity, Ikaria offers untouched landscapes, thermal springs, and mountain villages where life feels timeless.
- Why visit: Authentic lifestyle, hiking, natural springs.
- Best in autumn: Harvest festivals and mild weather for hiking.
5. Alonnisos – The Marine Park Island
Located in the Sporades, Alonnisos is home to Greece’s largest marine park, protecting rare monk seals.
- Why visit: Eco-tourism, diving, marine wildlife.
- Best for: Travelers who love nature and sustainability.
6. Anafi – The Hidden Cycladic Gem
Close to Santorini but worlds apart, Anafi is a Cycladic island with golden beaches and a massive monolithic rock (second only to Gibraltar).
- Why visit: Secluded beaches, peaceful landscapes.
- Best for: Those seeking total tranquility.
7. Kythira – Between Worlds
Technically part of the Ionian Islands, Kythira lies near the Peloponnese. Its waterfalls, Venetian castles, and secret beaches make it enchanting.
- Why visit: Unique mix of Ionian and Aegean culture.
- Best in autumn: Quiet hiking trails and cultural festivals.
8. Lipsi – The Island of Simplicity
Tiny Lipsi is part of the Dodecanese and offers untouched coves, local wines, and warm hospitality.
- Why visit: Slow living, family-run tavernas, excellent wine.
- Best for: Couples and food lovers.
9. Syros – The Cultural Capital
Though not completely hidden, Syros is often overlooked. Its neoclassical town of Ermoupoli offers culture, history, and authentic island life.
- Why visit: Festivals, architecture, and authenticity.
- Best in autumn: The Aegean Regatta and cultural events.
10. Gavdos – Europe’s Southernmost Island
Located south of Crete, Gavdos is rugged, remote, and wild. Known as the “island at the end of Europe,” it’s perfect for adventure travelers.
- Why visit: Remote beaches, wild landscapes, total disconnection.
- Best for: Backpackers and free-spirited adventurers.
Plan Your Greek Island Hopping with Aitinery
Visiting the hidden islands in Greece requires planning. Ferries don’t always run frequently, and distances can be tricky. With Aitinery, you can:
- Map ferry connections and schedules.
- Add beaches, villages, and viewpoints to your route.
- Balance popular islands with hidden gems.
- Share your island-hopping itinerary with friends.
Whether you want to mix Santorini with Anafi or combine Athens with Kythira, Aitinery makes planning smooth and stress-free.
Final Thoughts
Greece is much more than Santorini and Mykonos. From the longevity traditions of Ikaria to the secluded sands of Anafi, the hidden islands in Greece invite travelers to discover authenticity and peace.
Plan your island-hopping adventure with Aitinery, and let these secret corners of Greece reveal a different side of paradise.