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For most tourists, the experience of exploring a cave involves comfortable shoes and thicker clothes due to the fact that temperatures between stalactites and stalagmites tend to be lower. But what if instead of comfortable shoes, you need an oxygen tube, a boat, or underwater goggles?

In this article we have put together a top of the most mesmerizing underwater caves you simply must visit:

1. Benagil Cave, Algarve, Portugal

Benagil Cave, Algarve, Portugal

One of the most interesting holiday destinations abroad by the sea is the Benagil Cave in Portugal, which has already become a symbol of the Portuguese coastal area due to the unique exotic landscapes, but also the beauty of the area.

It is located right on the Algrave Coast and is part of a linear system of caves in the southern part of the coast. The most famous is the Benagil Cave which amazes tourists with its unique shape, consisting of a series of arches carved in stone, and the appearance it gives to the whole region. The amazing rock formation is located in the fishing village of the same name and can only be visited by water. If the sea is calm, you can swim right inside the arch formed by the rocky walls, but if the waves are strong you can’t quite get inside.

2. Grotta Azzurra, Capri, Italy

Grotta Azzurra, Sardinia, Italy
The Blue Cave is located on the coast of Capri, in southern Italy, an area famous for its unique blue waters. The fluorescent light in it is caused by a large underwater opening below the entrance used by tourists, an opening that illuminates the lower cave, through the entire water layer, like a neon light in a pool. If you want to feel as if you are vacationing in a postcard-like scenery, like the ones you see in movies, then this is the perfect place for you.

3. Blue Cave, Zakynthos, Greece

Blue cave, Zakynthos, Greece
Accessible only by boat, this sea cave near Cape Skinari is famous for its strong blue water color that passes through the cave. Although you will have to rent a boat from the nearby villages, the trip will definitely be worth it.

4. Grotta Nereo, Sardinia, Italy

Grotta Nereo, Sardinia, Italy

The Nereo Cave is particularly appreciated by divers as it contains a myriad of different species of fish, sponges and corals.

One of the entrances to the Nereo cave is located right at the submarine base of the Capo Caccia, about 30 meters below sea level, from which, through tunnels and large rooms, you reach the other entrances placed higher up. Precisely the presence of large environments, less claustrophobic, this cave is one of the most popular for those who want to face their first experience of speleological diving. In fact, there are various Diving Centers that offer diving in this cave among their services and the exploration usually lasts about 50 minutes.

5. Bisevo, Croatia

Bisevo Cave, Croatia

If you travel to the Dalmatian coast of Croatia, in addition to beautiful beaches and charming coastal towns, you will also find some geological surprises of extraordinary beauty. One of them is the Bisevo Blue Cave. Accessing it is not an easy task, but it is worth starting a fascinating adventure.

Pictures may not accurately convey its beauty, but they can give you an idea. Modra, as it is known by the natives, is magnificent at any time of the day, but if you want to see it in its true splendor, visit it between 11 am and 12 pm. During this period, the sun’s rays penetrate the cave walls and flood the cave with wonderful blue light.

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