Ilha Grande de Gurupá
Ilha Grande do Gurupá is the second largest fluvial island of the River Amazon delta. It lies in the Brazilian state of Pará, west of Marajó and near the confluence of the Amazon and the Xingu. The island has an area of 4,864 square kilometres (1,878 sq mi).
This island is part of the Marajó Archipelago.
References
1°0′S 51°30′W / 1.000°S 51.500°W