Blue Grotto, Sea cave in Qrendi, Malta
The Blue Grotto comprises several natural caves along Malta's southeastern coast, with interconnected chambers carved into limestone cliffs. Boat tours navigate through these underground spaces, allowing visitors to observe the rock formations, water channels, and the way light enters from different openings.
These caves formed gradually over thousands of years through water erosion and wave action on the limestone coast. For centuries, local fishermen used them as shelter during storms and as safe harbors for their boats.
Local fishermen have always depended on these caves and the surrounding waters, shaping how people here relate to the sea. Visitors today experience this connection through traditional boats and the stories of families who have worked these waters for generations.
Boats depart from a small harbor and the journey takes just a few minutes to reach the cave openings. Visitors have the best experience in early morning hours when weather is stable and light conditions are most favorable.
The water displays an intense blue color because sunlight enters through underwater openings and bounces off the sea surface below. This optical effect occurs because longer light wavelengths are absorbed while the blue light reflects back toward the visitor.
Elevation above the sea: 14 m
Address: Blue Grotto, Malta
Opening Hours: Monday-Thursday 09:30-16:30; Friday 09:30-17:30; Saturday-Sunday 09:30-16:30
Phone: +35621640058
Website: https://youtu.be/K61pCyjCqyQ
GPS coordinates: 35.82127,14.45655
Latest update: December 6, 2025 16:01
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