When summer arrives, many UK travellers start dreaming of turquoise seas, golden sunshine, and island escapes that feel a world away from everyday life. Fortunately, Europe is home to some of the most beautiful islands anywhere in the world, offering everything from glamorous beach destinations to peaceful hidden retreats.
Whether you’re looking for lively waterfront towns, secluded coves, or crystal-clear waters perfect for swimming, there’s an island to suit every kind of traveller.
Mediterranean islands with crystal-clear waters
The Mediterranean remains one of Europe’s most irresistible summer destinations, and its islands are a major reason why. Few places capture that postcard-perfect holiday feeling quite like Sardinia, where rugged coastal scenery meets powder-soft beaches and brilliantly clear water. Often praised for its wild landscapes as much as its coastline, the island offers everything from luxury beach clubs to untouched bays waiting to be discovered.
For travellers seeking something a little quieter, Menorca is a wonderful choice. Known for its slower pace, hidden coves, and beautifully calm waters, it’s ideal for couples, families, and anyone looking to swap crowds for tranquillity.
Then there’s Zakynthos, famous for its electric-blue waters, dramatic limestone cliffs, and iconic beaches. Whether you’re taking a boat trip around sea caves or simply relaxing beside the water, Zakynthos delivers the kind of scenery that makes a summer holiday unforgettable.
Croatian islands for an unforgettable summer escape
If you’re searching for sunshine, culture, and the freedom to explore multiple islands in one trip, a Croatia holiday could be exactly what you need.
Hvar is often considered one of Europe’s most glamorous island destinations, known for its lavender-covered hills, historic harbour towns, and some of the sunniest weather in the Adriatic. It has over 2,700 hours of sunshine annually and remains one of Croatia’s top island destinations.
Nearby, Brac offers dramatic landscapes and the famous Zlatni Rat beach, one of Croatia’s most photographed stretches of coastline. Meanwhile, Korcula combines medieval architecture, vineyard-covered hills, and clear Adriatic waters, creating a perfect mix of relaxation and exploration.
Hidden European islands to avoid the crowds
Not every traveller wants beach clubs and bustling promenades. Sometimes the real magic lies in quieter places.
Gozo offers dramatic coastal scenery, peaceful villages, and a wonderfully relaxed atmosphere, making it ideal for slower summer days. On the other hand; Vis, once closed to visitors for decades, now attracts travellers looking for authentic charm, exceptional seafood, and secluded beaches away from the main tourist trail.
For something truly off the beaten path, La Graciosa offers untouched landscapes, sandy tracks instead of roads, and a peaceful coastline that feels wonderfully undiscovered.
Whether you’re drawn to glamorous Mediterranean hotspots or hidden island gems, Europe offers countless unforgettable escapes, making this summer the perfect time to discover your own slice of paradise.

