O'Sullivan Beach Adelaide, South Australia | |||||||||||||||
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Coordinates | 35°07′08″S 138°28′30″E / 35.119°S 138.475°E | ||||||||||||||
Population | 1,844 (SAL 2021)[1] | ||||||||||||||
Established | 1926 | ||||||||||||||
Postcode(s) | 5166 | ||||||||||||||
LGA(s) | City of Onkaparinga | ||||||||||||||
Region | Southern Adelaide[2] | ||||||||||||||
County | Adelaide[3] | ||||||||||||||
State electorate(s) | Reynell[4] | ||||||||||||||
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Footnotes | Adjoining suburbs[5] |
O'Sullivan Beach is a seaside suburb in the southern Adelaide metropolitan area, within the City of Onkaparinga. O'Sullivan Beach has a unique postcode of 5166.