There is a lighthouse at the tallest hill 48 m (157 ft) on North button island, established 1983.
[7] There is a lighthouse at the tallest hill 50 m (164 ft) on Middle button island, established 1983.
[8] There is a lighthouse at the tallest hill 36 m (118 ft) on south button island, established 1983.
Besides a variety of submerged corals, Dolphin, Dugong and Blue whale are important marine animals for conservation.
[10] Politically, Button Islands are part of Port Blair Taluk.