|Area||2.59 km2 (1.00 sq mi)|
|Highest elevation||2 m (7 ft)|
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The island has a post office and a hospital. The channel between Amini Island and Cardamom Island is safe and deep, but depths of less than 10 meters project 0.5 mile south from the south tip of the reefs surrounding Cardamom Island. Amini Island Light is shown on the south point of the island. The village is in the middle of the west side of the Island. A raised stone platform, with steps leading to the beach, is in front of the village.
Amini Island was one of the first islands in the archipelago to be inhabited. The artisans on this island are known for making walking sticks out of coconut shells and tortoise shells as well as carved stone and coral motifs.
Amini Island, the most important of the Amindivi Islands, is oval, with the long axis oriented northeast-southwest. It is 2.9 km long and up to 1.2 km wide, yielding a land area of 2.59 km². It is fringed by a reef 0.3 to 0.6 km wide.
The village (census town) of Amini is located in the middle of the west coast. A raised stone platform, with steps leading to the beach, is in front of the village. As of the 2001 India census, the town of Amini had a population of 7,340. Males constitute 51% of the population and females 49%. Amini has an average literacy rate of 71%, higher than the national average of 59.5%, with 55% of the males and 45% of females literate. 15% of the population is under 6 years of age.
Amini Island lies at the northeastern extremity of Pitti Bank, 42 km from small, uninhabited Pitti Island (not to be confused with Pitti Islet of Kalpeni Atoll), which is located at the opposite southwestern extremity of the bank. Pitti Bank, also oriented along a northeast-southwest axis, is 49 km long, in the northern part from 2 to 7 km wide and in the southern part up to 18 km wide. Pitti Bank may be considered a largely submerged and sunken atoll, with an estimated lagoon area officially given as 155.09 km² (but apparently at least double that amount), with just the two islands Amini and Pitti remaining at its opposite ends. Kadmat island, although just 5 km northeast of Amini Island, is separated from it by a deep channel and thus forms a separate geographical unit.
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.