Marine National Park in the Gulf of Kutch is situated on the southern shore of the Gulf of Kachchh in the Jamnagar District of Gujarat state, India. In 1980, an area of 270 km2. from Okha to Jodiya was declared Marine Sanctuary. Later, in 1982, a core area of 110 km2 was declared Marine National Park under the provisions of the Wildlife (protection) Act, 1972 of India. It is the first national marine park of India. There are 42 islands on the Jamnagar coast in the Marine National Park, most of them surrounded by reefs. The best known island is Pirotan. Among the fauna found here include: coral, dugong and the finless porpoise. There are 42 islands in the Arabian Sea with coral reefs and the park is situated in one of those.
Marine National Park of Gulf of Kutchh is a fragile ecosystem. In recent years, biodiversity of marine park has been under threat on several scores like extraction of corals and sands by cement industries, increased turbidity of water, oil refineries, chemical industries and mechanised fishing boats.