Suburb profile

O'Sullivan Beach SA 5166

O'Sullivan Beach is located in the Adelaide South region of South Australia, postcode 5166. It has 1,103 properties across 41 streets, mostly houses. Explore every street in O'Sullivan Beach, its property history, homes for sale and rent, who lives there, and the local agents.

About O'Sullivan Beach

O'Sullivan Beach, SA 5166, sits in the Adelaide South region and neighbours Christies Beach and Lonsdale. Its 41 streets hold 1,103 properties, 983 of them houses and 120 units.

Census figures are for the Christies Beach area, which has 11,050 residents, a median age of 42 and an average household of 2.2 people. Median household income is $1,220 a week, the median mortgage repayment $1,394 a month and the median rent $320 a week. Of 4,691 dwellings, 3,785 were separate houses, 649 semi-detached, 227 flats and 16 other; 1,339 were owned outright, 1,511 owned with a mortgage and 1,687 rented.

Updated October 2026

Who lives in O'Sullivan Beach

  • 11,050Peoplelive in the area
  • 42Median ageyears
  • $1,220Median household incomea week
  • $320Median renta week

Homes by type

  • Houses3,785
  • Townhouses and semis649
  • Flats and apartments227
  • Other16

Household

  • Median mortgage repayment$1,394a month
  • Household size2.2people on average

How homes are held

Owned outright 1,339Owned with a mortgage 1,511Rented 1,687Other 154

For sale and rent in O'Sullivan Beach

Krissy StoutleyKrissy Stoutley
Updated 11 hours ago

$779,000 - $829,000

6 Anembo Street, O'Sullivan Beach SA 5166

3 bedrooms 1 bathroom 1 car space 435 m² land House

View on agency website

Properties in O'Sullivan Beach

Schools in O'Sullivan Beach

  • O'Sullivan Beach Primary School

    GovernmentPrimary

  • Southern Montessori School

    IndependentPrimary

Local agents in O'Sullivan Beach

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Agencies that specialise in O'Sullivan Beach

Streets in O'Sullivan Beach

Neighbouring suburbs

Addresses and streets incorporate or were developed using G-NAF © Geoscape Australia, licensed by the Commonwealth of Australia under the Open Geo-coded National Address File (G-NAF) End User Licence Agreement.

Population and housing figures are drawn from the Australian Bureau of Statistics, Census of Population and Housing 2021, licensed under Creative Commons Attribution 4.0 International.

School details © Australian Curriculum, Assessment and Reporting Authority (ACARA), from the Australian Schools List, licensed under Creative Commons Attribution 4.0 International and modified. ACARA does not endorse Listd.

Area summaries are generated from the national address file and ABS Census data, and checked against those figures before publication.