Europe is famous for its historic cities and rich culture. But its islands are also full of charm — often less visited, but just as rewarding. For travelers who have already explored the coasts of Asia, Europe’s islands offer something new. Each one has its own landscape, local traditions, and relaxing vibe. Whether you dream of volcanic cliffs, quiet blue coves, or cultural villages by the sea, these islands are perfect for a summer escape filled with beauty and meaning.
Let Demen Travel help you find the European island that speaks to you most in the summer of 2025.
Berlengas Archipelago, Portugal
Just 10 kilometers off the coast of Peniche in western Portugal, the Berlengas Archipelago is a quiet gem in the Atlantic Ocean. It includes the main island, Berlenga Grande, and two smaller groups of islets, Estelas and Farilhões. This island group is a protected nature reserve with dramatic cliffs, sea caves, and clear blue waters. The area is home to many types of birds and marine life, making it perfect for nature lovers.
Berlengas is far from busy tourist routes. Visitors come here to enjoy peace, fresh air, and untouched landscapes. You can kayak through caves, walk scenic trails, or simply relax by the sea. Every part of the island feels like a secret waiting to be found.
Best Time to Visit Berlengas
The archipelago features a Mediterranean climate influenced by strong ocean winds. Summer temperatures range from 23°C to 28°C, while winters remain mild at 11°C to 14°C. Visit between May and September, especially in June or September, when the sea is calmer, weather conditions are ideal, and the islands are less crowded—ensuring smoother boat transfers and a more serene atmosphere.
Top Experiences in Berlengas
- Explore Sea Caves: Embark on kayak or glass-bottom boat tours to discover hidden wonders like Furado Grande and the Blue Grotto, where clear waters reveal vibrant marine life.
- Scenic Island Trails: Walk to Farol da Berlenga lighthouse or the 17th-century São João Baptista Fort, offering panoramic views and immersive encounters with native flora.
- UNESCO Biosphere Birdwatching: A protected reserve since 2011, the islands are vital nesting grounds for seabirds like Cory’s shearwater, making it a prized spot for nature photography and observation.
The Stay
Luxury accommodation is not available directly on the islands, but exceptional stays can be found nearby on the mainland:
- Areias do Seixo (Santa Cruz) – An eco-luxury boutique retreat ~20 minutes from Peniche, offering sophisticated design, organic dining, and spa indulgence by the sea.
- Sublime Comporta – Approximately 1 hour 15 minutes away, this five-star sanctuary blends modernist architecture with tranquil pine forests, Michelin-level cuisine, and holistic wellness.
- Four Seasons Hotel Ritz Lisbon – Located in Lisbon (~1 hour drive), this iconic property offers timeless luxury, world-class service, and easy access to Peniche for day excursions to Berlengas.
Madeira, Portugal
Located in the North Atlantic Ocean, about 1,000 kilometers southwest of Lisbon, Madeira is a Portuguese island group known for its mild weather all year, green landscapes, and quiet charm. Often called the “Hawaii of Europe,” Madeira feels peaceful and less crowded than many other destinations. It’s perfect for travelers looking for authentic beauty and calm.
On the island, you’ll find:
- High cliffs and terraced mountains
- The UNESCO-listed Laurisilva forests
- Natural volcanic sea pools
- The historic town of Funchal, full of gardens, markets, and harbor views
Madeira is a place where nature, culture, and relaxation come together. Whether you’re hiking in the forest, tasting local food, or watching the ocean from a quiet trail, the island offers a refined yet simple travel experience.
Best Time to Visit Madeira
Thanks to its mild, subtropical climate, Madeira enjoys comfortable temperatures between 18°C and 25°C throughout the year. The most popular time to visit is from April to October, with spring and summer festivals celebrating flowers, wine, and gastronomy. For a quieter escape, November to February offers peaceful landscapes and festive charm during the holiday season.
Top Experiences in Madeira
- Walk the Cabo Girão Skywalk: Step onto one of Europe’s highest sea cliffs with a glass-floored platform offering breathtaking ocean views.
- Taste Heritage at Blandy’s Wine Lodge: Discover the rich legacy of Madeira wine in a 200-year-old winery with guided tastings and cellar tours.
- Sail with Dolphins & Whales: Board a luxury catamaran from Funchal to encounter marine life in the island’s crystal-clear waters.
- Monte Sledge Ride: Experience a 19th-century tradition as you glide down winding streets on a wicker toboggan guided by locals in traditional attire.
- Levada Walks in Laurisilva Forests: Follow ancient irrigation channels through mossy forests and panoramic viewpoints unique to this UNESCO heritage site.
The Stay
- Belmond Reid’s Palace – A legendary 5-star hotel since 1891, perched above the Atlantic, once host to Winston Churchill and European royalty. Impeccable service, subtropical gardens, and classic afternoon teas define the experience.
- Savoy Palace – A bold fusion of Art Deco elegance and modern design, offering thalassotherapy spa treatments, rooftop infinity pools, and panoramic ocean views.
- Quinta Jardins do Lago – A serene 18th-century botanical estate turned boutique hotel, known for its heritage ambiance, privacy, and lush tropical gardens—ideal for those who value tranquility and discretion.
Sardinia, Italy
Located in the Mediterranean Sea, just west of mainland Italy, Sardinia is the country’s second-largest island, with nearly 2,000 kilometers of coastline. Its most famous area is the Costa Smeralda in the north, known for white-sand beaches, clear emerald waters, and private luxury villas tucked between olive trees. But Sardinia is more than its coastline. Inland, the island surprises visitors with rocky mountains, thick forests, steep cliffs, and quiet lagoons.
This mix of glamorous seaside escapes and untouched natural beauty makes Sardinia a great place for both relaxation and exploration. Whether you’re looking to unwind or discover something new, Sardinia offers the best of both worlds.
Best Time to Visit Sardinia
Sardinia enjoys a classic Mediterranean climate, with hot, dry summers and mild winters. Thanks to its varied terrain—from coastal bays to inland limestone hills—each region presents slightly different breezes, humidity, and temperature. The ideal time to visit is from May to October, with September to early October offering warm seas, golden light, and fewer crowds. For those seeking a festive Mediterranean atmosphere, July and August are vibrant and lively across the island.
Top Experiences in Sardinia
- Spiaggia di Piscinas – Nicknamed “Europe’s Little Sahara,” this beach features dramatic sand dunes up to 60 meters high, crystal-clear waters, and raw natural scenery.
- Cammino 100 Torri – A 1,200-kilometer coastal trek passing ancient watchtowers, cliffs, and wild coves with awe-inspiring views.
- Costa Smeralda & Porto Cervo – Sardinia’s luxury epicenter: exclusive marinas, fine dining, and Mediterranean nightlife for the elite.
- Gennargentu National Park – Discover alpine-like landscapes, glacial lakes, and challenging hiking trails in the island’s mountainous heart.
- Neptune’s Grotto – Explore this coastal sea cave via boat through the scenic Capo Caccia inlet, with surreal stalactite formations beneath the sea.
The Stay
- Forte Village Resort (Pula) – Voted ‘World’s Leading Resort’ for over two decades, this luxurious compound features 8 hotels, 13 villas, a thalassotherapy spa, 21 restaurants, and elite sports academies.
- Baglioni Resort Sardinia (Northeast) – Nestled within the Tavolara Marine Reserve near San Teodoro, this nature-focused resort offers understated luxury, gourmet dining, and peaceful seclusion.
- Park Hotel Cala di Lepre & Spa (North) – A serene coastal retreat surrounded by wild herbs and sea views, offering wellness-focused amenities and fresh, seasonal cuisine in a sustainable setting.
Mljet, Croatia
Located in the southern Adriatic Sea, along Croatia’s Dalmatian coast, Mljet is one of the greenest and most peaceful islands in the country. More than 70% of the island is covered in thick pine forests, and it has stayed mostly untouched by big tourism. The western side of the island is home to Mljet National Park, where two calm saltwater lakes—Veliko Jezero and Malo Jezero—offer beautiful views and peaceful walks. In the middle of the larger lake, you’ll find St. Mary’s Island, where a 12th-century Benedictine monastery sits quietly, adding a touch of history to the natural setting.
Mljet is perfect for travelers who want slow, quiet travel, surrounded by nature, culture, and tranquil beauty. It’s a hidden gem for those looking to escape the crowds and enjoy the real Mediterranean.
Best Time to Visit Mljet
Thanks to its forested terrain and maritime surroundings, Mljet enjoys a fresh and pleasant Mediterranean climate. Summers are dry and warm; winters are mild and breezy. The best time to visit is between May and October, when the island is at its most vibrant. For optimal weather and fewer crowds, June and September are ideal. July and August offer a more lively atmosphere, with long sunny days and ideal conditions for swimming, sailing, and kayaking.
Top Experiences in Mljet
- Private Yacht Tour from Dubrovnik – Discover the southern Croatian coastline aboard a private yacht, stopping at secluded coves around Mljet. Enjoy snorkeling, kayaking, or a freshly prepared seafood lunch served onboard by a personal chef.
- Explore Mljet National Park – Kayak or cycle around the island’s iconic twin lakes; visit St. Mary’s Island, and experience the harmony of water, forest, and heritage.
- Visit the Odysseus Cave – A legendary sea cave on the southern coast, accessible by foot or boat from Pomena, said to have sheltered the mythical hero himself.
- Relax at Saplunara Beach – The island’s only sandy beach, Saplunara is quiet and unspoiled, ideal for peaceful sunbathing and calm swimming.
The Stay
- Boutique Pine Tree Resort (Saplunara) – Elegant beachfront apartments with modern design, an infinity pool, and a refined Mediterranean restaurant—ideal for quiet luxury.
- Hotel Odisej Mljet (Pomena) – Located at the edge of Mljet National Park, this eco-conscious hotel blends harmoniously with nature, offering kayaking, diving, and direct park access.
- Four Seasons Resort Dubrovnik Bay – While not on the island itself, this 5-star retreat is just a 90-minute boat ride away, offering a complete luxury experience with a private beach, world-class spa, and seamless island transfers.
