St.Mary’s Islands are group of four islands off the coast of Malpe in Udupi district of Karnataka, India. It has a distinctive geographical structure which dates back to 80 million years ago. It is one of the 4 geological monuments of Karnataka. The islands has columnar basaltic lava which was formed due to volcanic activity. A 20 minutes boat ride takes to reach St.Mary’s island. There are Government and private boat services available between Malpe and St.Mary’s island.
St.Mary’s island is famous for its stunning natural beauty and its unique geographical features. St.Mary’s island is consisted of four small islands. The presence of columnar basalt is unique to this island. It is estimated that these were formed million years ago. Madagascar and St.Mary’s island have some geographical similarities because Madagascar was broken away from India subcontinent. The islands were formed due to volcanic activity and one of the islands has unique hexagonal columns which is rare in India.
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