Rondo Island (Indonesian: Pulau Rondo; Acehnese: Pulo Rondo) is Indonesia's northernmost territory, located in the Andaman Sea, with a 0.650 km area 35m above sea level. The island is one of the outlying islands of Indonesia in the Aceh province of the Sumatra region. It is administratively part of the Sukakarya District in Sabang City, whose administration center is on Weh Island, south of Rondo. Rondo is 50 km offshore from Indonesia's Sumatra mainland. This otherwise uninhabited island, accessible only by boat, has an Indonesian military outpost with a heliport and blue-roofed barracks, an adjacent lighthouse complex with a red-roofed lighthouse keeper's house and a white skeletal lighthouse topped with a viewing gallery and lantern.
India's southernmost territory (Indira Point) on Great Nicobar Island of the Nicobar Islands is approximately 84 miles or 135 km to the north from the Indonesia's northernmost territory on Rondo Island. Centered 21 km or 13 miles northwest of Rondo, between Indonesia and India, is a submerged sandy and rocky coral shoal with a minimum depth of 51m. The island is surrounded by a mile (1.7 km) wide reef which has a steep marine slope on its edges. On the southern edge of island's reef are 14 small rocky islets, at distances between 0.9 and 1.7 km. Between these islets and Weh Island is a 16–20 km or 3-3.5 leagues wide safe navigable channel. Before the advent of modern shipping, shipping between Rondo and Weh Islands was considered safer due to calmer seas.
