India has a coastline of 7,517 km, making it the 17th longest coastline in the world.

Jawaharlal Nehru Port, located in Navi Mumbai, is the largest port in India by cargo tonnage.

Gujarat has the longest coastline among all Indian states, stretching for approximately 1,600 km.

The Gulf of Mannar is home to one of the largest and most diverse coral reef ecosystems in India.

Mumbai is often referred to as the 'Queen of the Arabian Sea' due to its strategic location and importance as a major port city.

The Andaman and Nicobar Islands are known for their rich biodiversity, including a wide variety of bird species.

West Bengal is home to the Sundarbans, the largest mangrove forest in the world, which is also a UNESCO World Heritage Site.

The Marine National Park, Gulf of Kutch is a protected area located in the Gulf of Kutch, Gujarat.

Gujarat has the largest number of lighthouses among all Indian states, with over 50 lighthouses along its coastline.

The Swatch of No Ground is a submarine canyon located in the Bay of Bengal, which is one of the largest submarine canyons in the world.

Tuticorin is known as the 'Pearl City' due to its historical significance as a major pearl fishing center.

The Gulf of Mannar Marine National Park is a protected area located in the Gulf of Mannar, Tamil Nadu.

Lakshadweep is an archipelago consisting of 36 islands, making it the Indian state with the largest number of islands.

The Mahatma Gandhi Marine National Park is a protected area located in the Andaman and Nicobar Islands.