Bassas de Pedro, Cora Divh and Sesostris Bank, all submerged, form the north of Lakshadweep. Bassas de Pedro stretches over 130 km from 12°31'N to 13°41'N, in the shape of an arch open to the east.
It is the largest feature of Lakshadweep, with a lagoon area of , which is more than half of the sum of all lagoon sizes in Lakshadweep (59 percent). It is also one of the northernmost features, second only to Cora Divh.