The Kiltan Island lies 51 km north-east of Amini Island, between 11° 28' and 11° 30' N latitude and 72° 59' and 73° 01' E longitude, and has an area of 2.20 sq km. It has 3.4 km length and 0.6 km width at the broadest point. On the northern and southern ends of the island, there are high storm beaches. This island is 394 km (213 nautical miles) away from Kochi. Its lagoon area is 1.76 sq km.