
When most travelers think of Greek islands, their minds drift to the bustling sunsets of Santorini or the stylish beaches of Mykonos. But what if you’re dreaming of something quieter, more authentic — places where time slows down, and the ferry is your golden ticket to serenity?
Here’s your guide to underrated Greek islands by ferry. These secret Greek islands are perfect for anyone craving peaceful island holidays, slow tourism, and a taste of Greece’s soul away from the crowds.
1. Kythnos – The Cycladic Secret

Departing from: Piraeus & Lavrion
Ferry time: ~ 1,5 hours
Just a few hours from Athens, Kythnos is an off the beaten path Greece destination with charm to spare. With over 70 beaches (many only accessible by foot or boat), natural hot springs in Loutra, and classic Cycladic villages like Driopida, it’s ideal for quiet islands Greece ferry travelers. Check all ferry schedules to Kythnos here.
2. Andros – Lush and Layered

Departing from: Rafina
Ferry time: ~2 hours
A favorite among Athenians but still relatively unknown abroad, Andros is green, mountainous, and culturally rich. Think waterfalls, hiking trails, and neoclassical mansions in Chora. It’s one of those less touristy Greek islands that delivers big on nature and calm. Check all ferry schedules to Andros here.
3. Anafi – The Wild Neighbor of Santorini

Departing from: Piraeus
Ferry time: ~8 hours (overnight ferries available)
If Santorini is the diva, Anafi is the poet. Remote and rugged, Anafi offers lunar landscapes, hiking trails, and tranquil beaches. It’s a haven for slow tourism islands lovers who enjoy arriving by ferry, unplugging, and simply being. Check all ferry schedules to Anafi here.
4. Tinos – Beyond the Pilgrimage

Departing from: Piraeus & Rafina
Ferry time: ~6 hours from Piraeus & ~2 hours from Rafina
Often overlooked in favor of nearby Mykonos, Tinos is a secret Greek island that blends deep spirituality with artistic flair. Picture marble villages, wild beaches, and a strong farm-to-table food scene. Perfect for travelers seeking authenticity with a side of ouzo. Check all ferry schedules to Tinos here.
5. Kea (Tzia) – A Quick Escape from Athens

Departing from: Lavrio
Ferry time: ~1 hour
Though not directly from Piraeus or Rafina, Kea deserves a mention. It's close enough for a spontaneous weekend and remains untouched by mass tourism. Expect walking trails, ancient ruins, and local tavernas that feel like home. Check all ferry schedules to Kea here.
6. Lipsi – A Whisper in the Dodecanese

Departing from: Piraeus
Ferry time: ~8 hours
Tiny, tranquil, and totally authentic, Lipsi is where the art of doing nothing becomes a spiritual experience. With its crystal-clear coves, warm local hospitality, and traditional tavernas lining a sleepy harbor, Lipsi is ideal for peaceful island holidays and slow tourism islands exploration. It’s part of the Dodecanese, nestled between Patmos and Leros — and it feels like a well-kept secret. Check all ferry schedules to Lipsi here.
7. Serifos – Raw, Rugged, and Real

Departing from: Piraeus & Lavrion
Ferry time: ~2 hours from Piraeus & ~2,5 hours from Lavrion
Serifos has a wild edge to it — dramatic cliffs, wind-swept beaches, and a hilltop Chora that looks like it belongs in a fairytale. But what makes it truly special is its untouched atmosphere. You won’t find flashy beach clubs here, just quiet coves and a strong sense of place. A top pick for those searching for off the beaten path Greece experiences and quiet islands Greece ferry routes. Check all ferry schedules to Serifos here.
Why Choose These Islands?
These islands aren’t just beautiful — they’re soulful. They invite you to wander, linger, and truly connect with Greece’s timeless charm. Choosing one of these less touristy Greek islands supports local communities, reduces over-tourism, and makes your trip more meaningful. So, skip the crowds this season and take the ferry to discovery these underrated Greek islands by ferry. Whether you're chasing quiet beaches, wild landscapes, or slow sips of local wine, Greece has a hidden gem waiting just for you.
Ready to plan your peaceful escape?
🛳️ Check ferry schedules and book your ticket to Greece’s secret side with Travel Ferry! Bonus tip: if you book ferry tickets AND accommodation, you get a reduced total price!