Casuarina Beach occupies a place among the best beaches of the Jaffna Peninsula as a location in Karainagar. It is located 15 km from Jaffna and is unspoiled. Recreational visitors love this beach because both its white sand beach and shallow ocean waters allow a peaceful vacation experience. The beach has received its name from the casuarina trees that grow along its beachfront, which enhances its peaceful appearance. People who visit Jaffna should include Casuarina Beach on their itinerary because swimming and relaxation make this spot highly popular among tourists.