|• Total||13.5 km2 (5.2 sq mi)|
|Elevation||159 m (522 ft)|
|Time zone||UTC+6:30 (Myanmar Standard Time)|
The island has a long shape with a length of over 10 km (6 mi) and a width of 1.6 km (1.0 mi) in its widest area. In its northern part rises a 159 metres (522 ft) high summit. Kalegauk Island is located 35 kilometres (22 mi) to the NNW of the mouth of the Ye River.
Small Cavendish Island lies 0.5 km (0.3 mi) off the southern point of Kalegauk Island. It is a small bean-shaped islet only about 0.4 km (0.2 mi) long, but it has a 97 metres (318 ft) high summit.
- Prostar Sailing Directions 2005 India & Bay of Bengal Enroute By National Geospatial-intelligence Agency