The island is part of a chain of 21 islands spanning the Gulf of Mannar Biosphere Reserve.
It is home to rare Balanoglossus, a living fossil that links vertebrates and invertebrates.
The surrounding waters contain one of the few remaining significant habitats for the endangered Dugong in India.
The island features extensive seagrass beds that serve as primary feeding grounds for green sea turtles.
Marine research conducted here has identified over 3,600 species of flora and fauna in the surrounding protected zone.
Kurusadai Island is a protected marine sanctuary located within the Gulf of Mannar Marine National Park off the coast of Pamban, Rameswaram. It serves as a specialized community-based eco-tourism site managed to preserve its fragile coral reef ecosystems. The island is renowned for its diverse marine life, including dugongs, sea turtles, and various species of dolphins. Visitors access the island via authorized boat services coordinated by local community guides who oversee conservation efforts. The area functions as an open-air laboratory for marine biology, featuring extensive seagrass meadows and shallow reef patches. Strict environmental regulations are enforced to protect the vulnerable coastal biodiversity from human impact.
The shallow clear-water transition zone where coral formations are visible from the surface.
Book boat services in advance through official forest department channels to ensure legal entry.
Bring biodegradable sunscreen and polarized sunglasses to protect your skin and view marine life clearly through the water.
Carry all waste back with you to the mainland, as there are no trash disposal facilities on the island.
Attempting to reach the island via private or unauthorized boat operators, which is illegal and damages the coral reefs.
Operations are strictly weather-dependent and may be suspended during monsoon season or high-tide cycles.
Do not touch, collect, or remove any corals, shells, or marine specimens; follow all instructions from authorized eco-guides.
