[2] The middle (southernmost) peninsula, 1.05 km across, lies 270 m to the south and has a bare hill 89 m high.

The sand bar between the south and north peninsulas was broken through in the 2004 Indian Ocean earthquake and tsunami but has since reformed.

[8] Politically, North Cinque Island is part of Port Blair Taluk.

[10] There is a lighthouse at the top of the tallest hill on the northern part of North Cinque, established 1972, about 2 km from the landing point.

[11][12] The Cinque Islands have been declared a sanctuary as they house an enormous variety of coral reefs, sea weeds, colorful fishes, shells, starfish, sea anemones, salt-water crocodile, turtles and water snakes.