The Greek Islands—those sun-kissed gems dotting the Aegean and Ionian seas—have long held a romantic allure. But let’s be honest, most of us know the “famous” ones: Mykonos, Santorini, Crete. Yes, they’re stunning, but they’re also brimming with crowds and overpriced experiences. What if there were hidden pockets of paradise, islands still off the radar, where you can enjoy authentic Greek life without the overwhelm of mass tourism? Well, there are - five, in fact. Ready to discover them? Lets talk about five underrated Greek islands that are still peaceful, untapped, and perfect for those looking to escape the crowds, connect with nature, and bask in true Greek culture. Trust me, you’ll want to experience these before everyone else does.

Kythira: The Hidden Jewel Between Peloponnese and Crete

First on our list is Kythira, a place that almost feels like it’s from a different era. Perched between Peloponnese and Crete, Kythira remains relatively quiet, even though it’s been part of the Greek islands for centuries. The island is dotted with charming villages, serene beaches, and hidden waterfalls. Here, the rhythm of life is slow, and you can truly unwind.

To get there, you can take a ferry from Gythio on the mainland, or you can catch a flight from Athens to Kythira’s small airport—perfect for those who want to avoid the hassle of big island ports. Whether you’re wandering the narrow, cobblestone streets of Chora (the island's capital), soaking up the sunshine on the peaceful beach of Firi Ammos, or discovering the ancient ruins of Paleochora, Kythira offers a quiet, intimate experience of Greece.

A must-see? The dramatic waterfalls at Mylopotamos, which cascade through lush greenery, offering the perfect backdrop for reflection or a peaceful picnic.

If you're looking for a cozy place to stay on Kythira, Nostos Guesthouse in Chora is a total gem. It’s small—only seven rooms—so it has this really intimate, homey vibe that makes it feel like you’re staying with friends. The décor is full of cool antiques, giving the place a cozy, welcoming feel. The hosts are super friendly and make sure you feel right at home. It’s also in the heart of Chora, so you’re just a short stroll from charming cafés, quirky little shops, and the Venetian castle. If you're after a peaceful, authentic spot to unwind and enjoy the local charm, this is definitely the place.

And don’t miss Ammos Restaurant, a small family-run tavern where you can savor local seafood like grilled octopus and fresh sardines. Mark this place! If you’re looking for the best coffee on the island, Veranda Café is a must. With its laid-back vibe and stunning views of the town and sea, it’s the perfect place to sip on a coffee and just soak it all in. Whether you’re in the mood for a rich Greek coffee or something more refreshing, the drinks here hit the spot. And if you're feeling peckish, their sweet and savory waffles are a treat.

Kastellorizo: Greece’s Tiny, Colourful Paradise

Nestled just off the Turkish coast, Kastellorizo (also known as Megisti) is the smallest of the Dodecanese islands, but don’t let its size fool you - it’s packed with charm. This island feels like a hidden treasure, where time slows down and life revolves around the azure sea, fresh fish, and the vibrant pastel-colored buildings that line the waterfront. It’s the kind of place where you’ll want to take a deep breath and just be—no rush, no stress.

To get there, you’ll need to hop on a ferry from Rhodes, but trust me, the journey is more than worth it. Once you step foot on this tiny island, you’ll immediately feel the peace and quiet surrounding you. Wander along the harbor, where fishing boats gently bob on the crystal-clear waters, and the air is filled with the scent of the sea. A must-visit spot is the Blue Cave—a stunning natural wonder where sunlight streams in, creating a glowing, almost otherworldly blue light inside the cave. If history piques your interest, take a trip up to the Castle of the Knights. Perched high above the town, the views of the Aegean from here are absolutely breathtaking, and it’s a perfect spot to snap some photos.

For a truly special stay on Kastellorizo, Casa Mediterraneo is the place to be. This charming boutique hotel is tucked into three beautifully restored neoclassical mansions, each with spacious suites offering amazing views of the harbor and the Sea of Crete. The interiors mix Mediterranean, Ottoman, and French styles, with sun-kissed plaster walls, soft textiles, and marble touches that create a relaxed, stylish vibe.

What makes this spot even better is its location—just a short stroll from the harbor, so you can easily explore the island while still enjoying the peace and quiet. In the mornings, enjoy a fresh breakfast under a shaded pergola, and in the evening, the terrace is perfect for sipping a cocktail while watching the sunset. For something a little extra, they offer yoga sessions, and there's a boutique with unique finds from the owners' travels. If you’re after a peaceful and beautifully designed place to stay on Kastellorizo, Casa Mediterraneo offers the perfect mix of relaxation and style.

And when it comes to food, Pantelis Restaurant is a must-try. They serve incredible seafood, and the view is nothing short of spectacular. Be sure to sip on some ouzo while watching the sunset - it’s the perfect way to end your day and really soak in the beauty of this quiet, charming island. It can be busy at times, but it’s such a cozy place so it’s just nice with people around!

Alonissos: The Quiet Heart of the Northern Sporades

For a truly serene escape, Alonissos should totally be on your radar. It’s part of the Northern Sporades group of islands, but it still feels like one of the hidden gems of Greece - untouched by the big tourist crowds. The island is pretty much a nature lover’s dream. You’ve got rugged hills, crystal-clear waters, and little stone villages that make you feel like you’ve stepped into another time. Plus, the National Marine Park of Alonissos is home to the rare Mediterranean monk seal, so if you’re into wildlife, you might even catch a glimpse of these adorable creatures while diving or boating.

To get there, you’ll take a ferry from Skiathos or Skopelos, and the journey is totally worth it. Once you get to Patitiri, the main town, you’ll instantly feel like you’ve entered a peaceful little world. It’s quiet, with whitewashed houses and narrow streets to wander through. If you’re in the mood to dive into the island’s past, pop into the Alonissos Museum - it’s a great spot to get a feel for the island’s maritime history.

For some serious chill time, head to Agios Petros Beach. It’s one of the more remote spots on the island, so you can escape the crowds and just relax with the sound of the waves. Trust me, it’s the perfect place to lay back and recharge.

*Alinossi Beach Bungalows And Suites Hotel*

When it comes to where to stay, Alonissos Beach Hotel & Spa is the way to go. It’s right on the water, so you can wake up to views that make you feel like you’re in a dream. After a day of exploring, this is the perfect spot to unwind.

If you're in the mood for some seriously good food on Alonissos, Tassia's Cooking in Steni Vala is a must-visit. This cozy family-run taverna is tucked right by the harbor, offering a relaxed vibe with stunning views. The menu is packed with fresh, traditional Greek dishes, and everything is made with love—especially the seafood. You’ll find classics like grilled fish, fried cheese pies, and lamb cooked with lemon, all served in generous portions. It’s the kind of place where you feel like you're eating at a friend's house, with the bonus of a gorgeous view of the water.

The atmosphere is super friendly and laid-back, making it perfect for a leisurely lunch or a sunset dinner. Honestly, it's one of those spots that makes you fall in love with the island all over again. So, if you’re looking for authentic, mouthwatering Greek food with a cozy, welcoming feel, Tassia's Cooking is where you want to go. Trust me, you won’t regret it!

Alonissos is all about slow living. It’s quiet, beautiful, and just what you need if you want to escape the hustle and take in the beauty of Greece at a slower pace.

Tilos: An Eco-Friendly Island with Authentic Charm

Nestled between Rhodes and Kos, Tilos is one of the quietest and most eco-conscious Greek islands. The island’s reputation for sustainable tourism has kept it under the radar, but that’s exactly why it’s such a gem. Tilos is a perfect blend of natural beauty and authentic Greek life, offering sweeping hillsides, dramatic cliffs, and pristine beaches.

Tilos is also incredibly accessible, with daily ferries from Rhodes, so that’s a plus. If you love nature, Tilos will steal your heart. The island is a hiker’s dream, with rugged hills and ancient paths winding through olive groves, past old stone houses, and leading to peaceful beaches. Mikro Chorio, an abandoned village, is a must-see. It’s this hauntingly beautiful place where nature has crept back in, with wildflowers growing through cracks in the old stone walls. It’s one of those places that feels timeless, and it’s perfect for a quiet stroll.

The beaches here are exactly what you need for a slow, relaxing day. Livadia Beach is just a short walk from the main town, offering calm, clear waters and a laid-back vibe. But if you’re craving something a little more secluded, Agios Stefanos Beach is a hidden gem—perfect if you want a quiet spot to unwind and feel like you’ve discovered your own secret piece of paradise.

What I love about Tilos is that it’s still so connected to nature. The island is home to a variety of wildlife, and if you're lucky, you might spot the rare Tilos butterfly. The National Park here is a great spot for nature lovers, and it’s a real treat for anyone looking to escape the more tourist-heavy spots in Greece.

As for where to stay, there are some cozy, family-run guesthouses that are perfect for getting that true island experience. Everything here feels personal and easygoing. And when it comes to food, To Delfini is the spot to go for fresh seafood and traditional Greek dishes. It’s right by the water, and the vibe is relaxed and welcoming, just like the island itself.

Tilos is all about slow living—there’s no rush, just the chance to enjoy the natural beauty, peaceful beaches, and delicious food. It’s perfect for anyone looking for an authentic, quiet getaway where you can truly disconnect, recharge, and enjoy a slower pace of life. If you’re craving a real escape from the hustle and bustle, Tilos is exactly what you need.

Folegandros: A Timeless, Enchanting Island

Finally, let’s talk about Folegandros—a tiny island that’s managed to stay refreshingly unspoiled despite its beauty. If you're craving a place that feels authentic and untouched, Folegandros is perfect for you. It’s the kind of island where you can really slow down and soak in the simplicity of life. You’ll find yourself walking through narrow, cobbled streets, surrounded by whitewashed houses with flowers spilling over the edges. It’s the kind of place where time seems to slow down, and you’ll be greeted by the warmest locals who are always happy to share a story or recommendation.

To get to Folegandros, you’ll need to hop on a ferry from Santorini or Milos. The journey is smooth, and when you arrive, you’ll immediately fall in love with Chora, the island's charming capital. This village is perched high on a hilltop, offering jaw-dropping panoramic views of the Aegean Sea. As you wander through its narrow streets, you’ll come across whitewashed homes, cute cafés, and little boutiques tucked into the corners. It’s the perfect place to wander aimlessly, or just sit back and enjoy a coffee while taking in the sights.

For beach lovers, Agali Beach is a must-visit. It’s the kind of beach where the water is so clear, you can see straight to the bottom. The vibe here is calm and peaceful—no crowds, just the sound of gentle waves and the occasional seabird flying by. It’s the perfect spot to lay down your towel, enjoy the sun, and take a refreshing dip in the crystal-clear waters. If you want to find your own little slice of heaven, take the path to Katergo Beach. It’s a more secluded spot that requires a bit of a hike or a boat ride, but trust me—it’s worth it. The view from the beach at sunset is absolutely magical. Watching the sun dip below the horizon while the sky fills with golden hues is the kind of moment that makes you feel like you’re in a dream.

When it comes to accommodation,If you’re looking for a cozy, charming place to stay on Folegandros, Anemomilos Boutique Hotel is perfect. This family-run gem is just a short walk from the heart of Chora, and it offers some of the best views on the island. The rooms are simple but beautifully designed, with whitewashed walls, blue shutters, and cozy terraces where you can enjoy the sunset. The vibe here is laid-back, with a pool to cool off after a day of exploring and a poolside bar for evening cocktails. It’s the ideal spot for anyone looking to unwind, enjoy some peace, and soak in the beauty of Folegandros!

For a true local experience, To Spitiko in Chora is a cozy, family-run taverna you’ll love. It’s the perfect spot to try traditional Greek dishes made with fresh, local ingredients. The vibe is super relaxed, and the food? Absolutely delicious.

Another great option is Zefyros, also in Chora. It has a lovely outdoor courtyard and a welcoming atmosphere, serving up Mediterranean dishes that’ll make you want to come back for more. Both places really capture the authentic spirit of Folegandros, so you’re in for a treat!

Folegandros is one of those islands that feels timeless. It’s a place where you can take your time, savor the moments, and enjoy the simple pleasures—like an afternoon stroll, a fresh seafood meal, or catching the perfect sunset. If you're looking to connect with nature, unwind in peace, and experience authentic Greek life, Folegandros should be at the top of your list.

All you need to know about traveling to Greece:

What are the best quiet Greek islands to visit?
If you’re looking to escape the crowds, the best quiet Greek islands to visit are Kythira, Kastellorizo, Alonissos, Tilos, and Folegandros. These islands are perfect for travelers who want to experience authentic Greek life, peaceful beaches, and beautiful nature without the mass tourism. Whether you're into hiking, relaxing by the sea, or exploring charming villages, these islands offer a refreshing alternative to the more crowded spots in Greece.

How do you get to the lesser-known Greek islands?
Getting to these underrated islands is easier than you might think! You can catch a ferry from popular hubs like Santorini, Rhodes, or Athens to islands like Kythira and Folegandros. Kastellorizo is best reached via ferry from Rhodes, and Tilos and Alonissos have regular ferries from Skiathos or Skopelos. It’s all about taking the scenic route to some of Greece’s most peaceful spots.

Which Greek island is the most peaceful?
For a truly peaceful getaway, Kastellorizo and Folegandros stand out. Kastellorizo is tiny but charming, with only a few streets, vibrant colors, and no large crowds. Folegandros, on the other hand, offers incredible views, beautiful walking paths, and quiet beaches—perfect for unwinding in an authentic Greek setting.

Which underrated Greek island has the best beaches?
If beaches are your thing, Kythira and Alonissos should be at the top of your list. Kythira boasts stunning, secluded beaches like Firi Ammos and Kaladi Beach, perfect for those seeking peace and quiet. Alonissos has Agios Petros Beach—one of the most tranquil and remote beaches you’ll find in the Northern Sporades.

What is there to do on these quieter Greek islands?
On Kythira, you can explore ancient ruins, hike up to scenic views, and enjoy pristine beaches. Alonissos is great for hiking and wildlife, especially with the National Marine Park protecting the rare Mediterranean monk seal. Kastellorizo offers a laid-back vibe with excellent diving and historical sites, while Tilos is perfect for those who enjoy eco-tourism and hiking. And Folegandros? It’s all about stunning views, quiet beaches, and getting lost in the charming streets of Chora.

When is the best time to visit these quiet Greek islands?
The best time to visit these hidden gems is during the shoulder seasons—late spring (May to June) and early autumn (September to October). The weather is perfect for outdoor activities like hiking or beach hopping, and the islands are peaceful with fewer tourists. This way, you can truly relax and enjoy the authentic Greek experience.credibly peaceful, with limited tourism and a sense of timeless tranquility. These islands offer authentic Greek experiences without the hustle and bustle.

Ready to Discover These Hidden Gems?

If you’re craving a peaceful escape to a Greek island where you can unwind, enjoy local flavors, and immerse yourself in nature, these five islands will provide everything you’re looking for and more. Want even more inspiration for your next getaway? Download our free Summer Market Guide for the best undiscovered spots across Europe, and continue exploring the world of cozy, quiet travel at Trippers Terminal.

If you're craving a peaceful escape where the only thing on your to-do list is to relax and recharge, Ærø, Denmark, is the perfect destination. No rush, no noise - just breathtaking sea views, charming harbor towns, and the kind of stillness that makes you forget about your screen and remember how to simply be.

5 Underrated Greek Islands You Need to Visit (Before the crowds find them)