Breaksea Island is an island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 in King George Sound

King George Sound

King George Sound is the name of a sound on the south coast of Western Australia. Located at , it is the site of the city of Albany.The sound covers an area of and varies in depth from to ....

 in the Great Southern of Western Australia

Western Australia

Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

 and is 12 kilometres (7 mi) South East of Albany

Albany, Western Australia

Albany is a port city in the Great Southern region of Western Australia, some 418 km SE of Perth, the state capital. As of 2009, Albany's population was estimated at 33,600, making it the 6th-largest city in the state....

.
The island is a nature reserve

Nature reserve

A nature reserve is a protected area of importance for wildlife, flora, fauna or features of geological or other special interest, which is reserved and managed for conservation and to provide special opportunities for study or research...

 (declared in 1969) and managed by Department of Environment and Conservation (Western Australia), it’s reserve number is 27614. The island is also registered as a national estate. The island is 1.03 square kilometres (255 acre). in area.
The island is 3 kilometres (2 mi) in length and 600 metres (1,969 ft) at its widest part. The closest island in Michaelmas Island

Michaelmas Island

Michaelmas Island is an island located in King George Sound near Albany, Western Australia.The island is a nature reserve and managed by the Department of Environment and Conservation; its reserve number is 30049. The island is also registered as a national estate. The island is in area...

 which is located 1.5 kilometre (0.93205910497471 mi) North of Breaksea Island.

Lighthouse

A lighthouse

Lighthouse

A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....

 was built on the island in 1858 by English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 convict

Convict

A convict is "a person found guilty of a crime and sentenced by a court" or "a person serving a sentence in prison", sometimes referred to in slang as simply a "con". Convicts are often called prisoners or inmates. Persons convicted and sentenced to non-custodial sentences often are not termed...

s using pre-made cast iron

Iron

Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal in the first transition series. It is the most common element forming the planet Earth as a whole, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust...

 sheeting.
This lighthouse was replaced in 1902 by a cylindical granite

Granite

Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

tower which remains in good condition to this day.