Benares Shoals, or Benares Shoal, is a submerged coral reef, an isolated patch located at 5°15′S 071°40′E / 5.250°S 71.667°E, just 6 kilometres (3.7 mi) west-northwest of Île Pierre, the closest island of Peros Banhos atoll in the northern Chagos Archipelago. It measures about 3 kilometres (2 mi) east–west, with a width of about 700 metres (2,300 ft) and an area of 2 square kilometres (0.77 sq mi). The least depth at the western end is 4.5 metres (15 ft).