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You must visit these coastal caves in Europe
Visit these hidden gems

You must visit these coastal caves in Europe

Jul 04, 2025
03:50 pm

What's the story

Europe has some hidden caves along its coastline, which are perfect for swimming. These natural wonders, sculpted by the relentless sea, are a perfect getaway into azure waters. Swimming in these caves gives a chance to get up close to stunning geological formations and colorful marine life. Be it an expert swimmer or a curious traveler, Europe's coastal caves promise an unforgettable Srinagar-into-nature's-secret-chambers.

Benagil Cave

Discover Portugal's Benagil Cave

Situated in Portugal's Algarve region, Benagil Cave is one of the country's most popular sea caves. Only accessible by water, the cave has a massive domed ceiling with a natural skylight. It lights up its sandy innards. Swimmers can discover the turquoise waters of the cave and the peaceful vibe. Thanks to its seclusion. The ideal time to visit is during low tide. Then, more of the cave opens up.

Blue Cave

Explore Croatia's Blue Cave

Croatia's Blue Cave on Bisevo Island is famous for its stunning blue light effect, which is formed by sunlight reflecting off white limestone below the water. This happens between 11 a.m. and 1 p.m., when the conditions are just right for swimming inside this magical grotto. Tourists can easily reach Bisevo Island through boat tours from nearby islands such as Vis, making it a favorite day trip.

Grotta Azzurra

Visit Italy's Grotta Azzurra

Italy's Grotta Azzurra or Blue Grotto on Capri Island provides another stunning blue light experience just like Croatia's Blue Cave. Entered via a small entrance at sea-level, swimmers lay flat in rowboats to enter safely during calm seas. Once inside, swimmers are greeted with shimmering blue reflections dancing over cavern walls—a sight many travelers adore.

Melissani Lake

Swim through Greece's Melissani Lake Cave

Greece's Melissani Lake Cave on Kefalonia Island features both freshwater and seawater in its underground cave system. The system is surrounded by lush greenery above ground level openings called dolines. These dolines allow sunlight to penetrate, creating magical effects throughout the different times of day, especially around noon hours. This makes for perfect conditions for swimming exploration adventures amidst crystal-clear aquamarine hues found nowhere else globally.