Dunwich Convict Causeway is a heritage-listed causeway at Junner Street, Dunwich, North Stradbroke Island in the City of Redland, Queensland, Australia. It was built in 1827 by convict labour for the Moreton Bay penal settlement. It was added to the Queensland Heritage Register on 22 October 1999.

History

Dunwich convict causeway was constructed in 1827 as part of a military and stores depot servicing the recently established Moreton Bay penal settlement. A sandbar at the mouth of the Brisbane River meant it was impossible for large vessels to carry goods into Brisbane. Consequently, ships unloaded cargoes at Dunwich and smaller cutters carried the goods over the bar and on to the settlement. Following its closure in 1831 the causeway continued to service subsequent developments at Dunwich including a Catholic mission (1843-1847); quarantine station (1850-1864) and the Dunwich Benevolent Asylum (1864-1947). Today the causeway is an integral part of the barge and water taxi landing facilities and has established Dunwich as the gateway to North Stradbroke Island.

Dunwich Convict Causeway

In 1823 John Oxley discovered the Brisbane River and a recommendation was made that a settlement should be established on its banks. Redcliffe was suggested as the site for the first establishment due to its proximity to the river entry, central bay location and favourable landing at all tide times. However, Oxley maintained that the banks of the Brisbane River were better suited to a permanent settlement while Redcliffe should be seen as a military post and depot store. This discovery and subsequent recommendation followed Commissioner John Bigge's instruction that a penal settlement should be established at Port Curtis (near Gladstone), Moreton Bay and Port Bowen (north of Rockhampton, ). Commissioner Bigge had been sent from Britain to comment on the state of the colony in New South Wales.

Dunwich Convict Causeway

In June 1824 the government proclaimed an intention to establish a settlement at Moreton Bay or in the near vicinity. There was a general indecision regarding the type of settlement that should take place following Oxley's glowing report of the area. However, Governor Thomas Brisbane proceeded with his original instructions to establish a penal settlement at Moreton Bay, hopeful that one day the area might be opened up to free settlement. The decision proved frustrating as the British government later confirmed in January 1825 that they intended Norfolk Island to be reoccupied by convicts with Moreton Bay seeming more appropriate for colonisation. Whilst desirable, the directive arrived too late and with an increasing demand for places to send convicts Governor Brisbane had no other option but to establish Moreton Bay as penal settlement. As a compromise Moreton Bay became a place for minor offenders while more serious offenders were sent to Norfolk Island.

Dunwich Convict Causeway

On 1 September 1824 the Government vessel, "Amity", departed from Sydney bound for Moreton Bay. The ship included Lieutenant Henry Miller, Commandant of the settlement; John Oxley, Commanding Officer and Chief of the expedition; Lieutenant Butler, assistant Surveyor; Allan Cunningham, botanist; general troops and 29 convicts. Approximately half of the convicts had volunteered in the hope they may gain a ticket of leave for their efforts in establishing the first settlement. The convicts were from varied backgrounds including quarrymen, lime burners, bricklayers, marble polishers, stone cutters, brick makers, plasterers and labourers.

On 10 September 1824 the "Amity" arrived in Moreton Bay and following an inspection of St Helena Island, Redcliffe was selected as the site for settlement as originally recommended in 1823. However, the Redcliffe settlement was short lived. In late September 1824 the Amity was nearly driven a shore by a fierce storm prompting Oxley to declare the site an unsafe place to anchor. Following further exploration of the surrounding waters Oxley discovered a safer point of entry into the bay through the south passage between Stradbroke Island (now separated into North Stradbroke Island and South Stradbroke Island) and Moreton Island.