Sweers Island is an island in the

South Wellesley Islands The South Wellesley Islands is an island group and locality in the Gulf of Carpentaria within the Shire of Mornington, Queensland, Australia. The group is separate from the Wellesley Islands. Bentinck Island is the only one known to have ...

in the Gulf of Carpentaria,

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , establishe ...

, Australia. Privately owned via a

perpetual lease A leasehold estate is an ownership of a temporary right to hold land or property in which a lessee or a tenant holds rights of real property by some form of title from a lessor or landlord. Although a tenant does hold rights to real property, ...

and with the only residents being the owners and workers at the resort, the island is within the Shire of Mornington. It lies within the traditional lands of the

Kaiadilt The Kaiadilt are an Aboriginal Australian people of the South Wellesley group in the Gulf of Carpentaria, Queensland, Australia. They are native to Bentinck Island, but also made nomadic fishing and hunting forays to both Sweers and Allen Is ...

people, and was the location of "The Investigator Tree" which is now in

Queensland Museum The Queensland Museum is the state museum of Queensland, dedicated to natural history, cultural heritage, science and human achievement. The museum currently operates from its headquarters and general museum in South Brisbane with specialist m ...

History

Kayardild (also known as Kaiadilt and Gayadilta) is a language of the Gulf of Carpentaria, once spoken by the

people. The Kayardild language region includes the landscape within the local government boundaries of the

Mornington Shire Council The Shire of Mornington is a local government area in northwestern Queensland, Australia. The shire covers the Wellesley Islands, which includes Mornington Island; the South Wellesley Islands; Bountiful Islands; and West Wellesley / Forsyth ...

. The island was given its European name by explorer Matthew Flinders on 16 November 1802 after Salomon Sweers, a council member of the

East India Company The East India Company (EIC) was an English, and later British, joint-stock company founded in 1600 and dissolved in 1874. It was formed to trade in the Indian Ocean region, initially with the East Indies (the Indian subcontinent and South ...

Batavia Batavia may refer to: Historical places * Batavia (region), a land inhabited by the Batavian people during the Roman Empire, today part of the Netherlands * Batavia, Dutch East Indies, present-day Jakarta, the former capital of the Dutch East In ...

who was one of those who instructed

Abel Tasman Abel Janszoon Tasman (; 160310 October 1659) was a Dutch seafarer, explorer, and merchant, best known for his voyages of 1642 and 1644 in the service of the Dutch East India Company (VOC). He was the first known European explorer to reach New ...

to explore the Gulf of Carpentaria in 1644. Flinders was circumnavigating the Australian continent in the sloop HMS ''Investigator'' to map the coastline and establish if Australia was a single island or whether there were two or more islands (the Gulf of Carpentaria and the

Great Australian Bight The Great Australian Bight is a large oceanic bight, or open bay, off the central and western portions of the southern coastline of mainland Australia. Extent Two definitions of the extent are in use – one used by the International Hydrog ...

were suspected to be the entrances to straits between the islands).

Robert Towns Robert Towns (10 November 1794 – 11 April 1873) was a British master mariner who settled in Australia as a businessman, sandalwood merchant, colonist, shipowner, pastoralist, politician, whaler and civic leader. He was the founder of Townsvil ...

established

Burketown Burketown is an isolated outback town and coastal locality in the Shire of Burke, Queensland, Australia. In the , the locality of Burketown had a population of 238 people. It is located west of Cairns and west of Normanton on the Albert R ...

in 1865 as a base for his extensive holdings in the Gulf Country. Burketown's development was limited due to the extent of

tropical disease Tropical diseases are diseases that are prevalent in or unique to tropical and subtropical regions. The diseases are less prevalent in temperate climates, due in part to the occurrence of a cold season, which controls the insect population by for ...

s suffered by its inhabitants. When the ship ''Margaret and Mary'' arrived in Burketown from Sydney carrying a fever (possibly

typhoid Typhoid fever, also known as typhoid, is a disease caused by ''Salmonella'' serotype Typhi bacteria. Symptoms vary from mild to severe, and usually begin six to 30 days after exposure. Often there is a gradual onset of a high fever over several d ...

), the majority of those on board died at Burketown. In the belief that Burketown was inherently unhealthy,

William Landsborough William Landsborough (21 February 1825 – 16 March 1886) was an explorer of Australia and notably he was the first explorer to complete a North-to-South crossing of Australia. He was a member of the Queensland Legislative Council. Early ...

evacuated most of the survivors to Sweers Island for 18 months, with only a further two people dying. Towns and Co then traded wool, tallow, hides and skins between Sweers Island and Batavia in October 1868. Thomas ("Tex") and Lyn Battle took over the perpetual lease of the island in around 1988. In 2022 it was put up for sale, with a price tag of .

The Investigator Tree

In 1841, the island was visited by

John Lort Stokes Admiral John Lort Stokes, RN (1 August 1811 – 11 June 1885)Although 1812 is frequently given as Stokes's year of birth, it has been argued by author Marsden Hordern that Stokes was born in 1811, citing a letter by fellow naval officer Crawford ...

, commander of the ''

Beagle The beagle is a breed of small scent hound, similar in appearance to the much larger foxhound. The beagle was developed primarily for hunting hare, known as beagling. Possessing a great sense of smell and superior tracking instincts, th ...

'' on an exploration of northern Australia. Stokes discovered a tree ('' Celtis paniculata'') on the western part of the island with the word "Investigator" carved into it by Flinders on his 1802 visit, giving the tree the name "The Investigator Tree". Stokes also carved the name "Beagle" on the tree. Subsequent visitors to the island also carved names, including from

Augustus Charles Gregory Sir Augustus Charles Gregory (1 August 1819 – 25 June 1905) was an English-born Australian explorer and surveyor. Between 1846 and 1858 he undertook four major expeditions. He was the first Surveyor-General of Queensland. He was appointed a ...

's expedition in 1856 and Landsborough's search for the

Burke and Wills expedition The Burke and Wills expedition was organised by the Royal Society of Victoria in Australia in 1860–61. It consisted of 19 men led by Robert O'Hara Burke and William John Wills, with the objective of crossing Australia from Melbourne in the ...

in 1861. A cyclone on 5 March 1887 severely damaged the tree, so part of the trunk was removed to the

in 1889.

Geography and governance

Sweers Island is approximately long. It is located east of

Bentinck Island Bentinck Island is a small island in the Strait of Juan de Fuca just off the southern tip of Vancouver Island in Metchosin, British Columbia, Canada near Race Rocks. It served as a leper colony beginning in 1924, when the federal government shut ...

(the largest island in the South Wellesley Islands) and north from

on the Queensland mainland. The island lies within the Shire of Mornington.

Recreation

Recreational activities on Sweers Island include fishing and watching wildlife. Sweetlip is the most common table fish caught off the island, while other fish species include: coral trout, red emperor, golden snapper, nannygai and

parrot fish Parrotfishes are a group of about 90 fish species regarded as a family (Scaridae), or a subfamily (Scarinae) of the wrasses. With about 95 species, this group's largest species richness is in the Indo-Pacific. They are found in coral reefs, ro ...

. In winter fish species including

Spanish mackerel Scomberomorini is a tribe of ray-finned saltwater bony fishes that is commonly known as the Spanish mackerels, seerfishes or seer fish. This fish closely resembles the King Mackerel. This tribe is a subset of the mackerel family (Scombridae) � ...

, grey mackerel,

giant trevally The giant trevally (''Caranx ignobilis''), also known as the lowly trevally, barrier trevally, ronin jack, giant kingfish or ''ulua'', is a species of large marine fish classified in the jack family, Carangidae. The giant trevally is distributed ...

, giant leatherskin,

queenfish The queenfish (''Seriphus politus'') is a species of fish in the family Sciaenidae, the drums and croakers. It is native to the eastern Pacific Ocean, where it occurs along the North American coastline from Oregon to Baja California; it has been ...

, northern bluefin tuna, and

cobia The cobia (''Rachycentron canadum'') is a species of carangiform marine fish, the only extant representative of the genus ''Rachycentron'' and the family Rachycentridae. Other common names include black kingfish, black salmon, ling, lemonfis ...

can be caught. Accommodation, meals and boats are available at the Sweers Island Resort.

Transport

The island has a all-weather gravel airstrip, owned by the resort.

References

External links

{{commons category-inline, Sweers Island
Museum entry for The Investigator Tree with photo
Islands of Queensland Shire of Mornington (Queensland) Gulf of Carpentaria