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World India Karnataka Udupi St. Mary’s Island
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Beaches, Island, Hexagonal basalt rock formations
Tulu, Kannada, English
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India Karnataka St. Mary’s Island


St. Mary’s Island is a famous tourists spot in Udupi. Travelers can easily access this Island through ferry boats from Malpe Beach. The Island is also termed as Coconut Island and Thonsepar. This island is an important Geo-Tourism Spot. The islands are famous for their rows of columnar basaltic lava; the formations rise up like blocks on a column graph, rectangular rows pushing up from the ground. Most of these rocks are hexagonal in shape. The islands are one of twenty six geological monuments of India. 

As per the Geological Survey and Scientific Studies, these rocks are formed due to sub-aerial sub volcanic activity which took place when Madagascar was actually attached to India before it got rifted around 88 Million years ago. It is also believed that Vasco Da Gama landed on this Island on his voyage to India from Portugal. The Island doesn’t have any habitations except green coconut trees. The island stretches to 1640 ft in length and 328.1 ft in width.

Boats are avaialable from 9.00 AM to 6.00 PM and ride takes about 30 minutes. There is a small children’s park on the island. Be careful on those slippery rocks.



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