Gahirmatha is the lone mass nesting spot in the Indian Ocean region and the only turtle sanctuary in Odisha. The Olive Ridley turtles travel across the South Pacific to breed on the coast of Gahirmatha. Million of Olive Ridley turtles visit the beach during mass nesting every year. Olive Ridley turtles usually nest during night time. The sanctuary is also home to a variety of flora and fauna. Wild boar, barking deer, bear, leopard, crocodile, jungle fowl, samber and wild dogs are among the other wildlife seen in the sanctuary.
Gahirmatha Marine Sanctuary is world-famous for Olive Ridley sea turtles. To strengthen the beauty of Gahirmatha Sanctuary, there is one very long beach that has become the main attraction of the park.