O'Sullivan Beach
SA 5166 · Onkaparinga
1,844 (2021) → 1,931 est. (2025)
Based on transport, liveability & education. Safety is scored separately below.
O'Sullivan Beach is a suburb in Onkaparinga, SA 5166, about 24km from Adelaide CBD. Its median house price of $778K is more affordable than the SA average. The suburb has 2 schools, a transport score of 64/100, and is right by the coast. O'Sullivan Beach has an overall score of 56/100, based on transport, liveability and education, plus a separate residential safety score of 98/100.
Demographics
Age distribution
Top countries of birth: England (8.51%), Germany (1.36%), New Zealand (1.19%), South Africa (1.03%), Scotland (0.81%)
Top languages: German (0.7%), Afrikaans (0.65%), Italian (0.49%), Hindi (0.43%), Australian Indigenous Languages (0.33%)
Source: ABS Census 2021
Property
Median price history
Source: Land Services SA + SA Housing Authority · Updated Q1 2026
Residential Safety
Small population (under 3,000) — crime rates may be volatile due to low sample size.
Recorded residential incidents (latest year), with rate per 100,000 residents:
Includes street and public-place assaults — supplementary context, not part of the safety score.
Residential incidents over time
Sum of the five residential categories above — not all recorded crime.
Area crime context
An independent score — crime data quality varies by state, so safety is shown separately and is not part of the overall score.
Source: SA Police / OCSAR (suburb-level) · Updated 2025
Schools
Strong school options
Well above average — good-quality schools within reach and a healthy range of options to choose from.
Average ICSEA of schools within 10km 986 (below the national average of 1000).
In suburb
- Southern Montessori SchoolPrimary · IndependentICSEA 1094
- O'Sullivan Beach Primary SchoolPrimary · GovernmentICSEA 941
Nearby (within 10km)
- St John the Apostle Catholic SchoolPrimary · Catholic · 0.9kmICSEA 1022
- Christies Beach Primary SchoolPrimary · Government · 1.9kmICSEA 891
- Christie Downs Primary SchoolPrimary · Government · 2kmICSEA 891
- FAME - Flexible Accredited Meaningful EngagementSecondary · Catholic · 2kmICSEA 941
- Cardijn College - Marcellin CampusSecondary · Catholic · 2.3km
- Lonsdale Heights Primary SchoolPrimary · Government · 2.3kmICSEA 959
- Port Noarlunga Primary SchoolPrimary · Government · 2.5kmICSEA 1000
- Christies Beach High School and Southern Vocational CollegeSecondary · Government · 2.6kmICSEA 910
- Bowden Brompton Community School - Torrens Road CampusCombined · Government · 2.6km
- SEDA College SA - Noarlunga Downs CampusSecondary · Independent · 3.1km
- Cardijn College - Marian CampusSecondary · Catholic · 3.3kmICSEA 1025
- Calvary Lutheran Primary SchoolPrimary · Independent · 3.6kmICSEA 983
Source: ACARA 2023
Transport
Source: TfNSW GTFS
Liveability
Amenities within 2–3km
Counted within a short distance of the suburb centre (so nearby facilities count), with the in-boundary count shown beneath.
Source: Bureau of Meteorology · OpenStreetMap
Fitness
Plenty of options
Well above average — a good spread of gyms and sports facilities within easy reach.
Facilities within 3km of the suburb centre. The Fitness Score is a national percentile of these counts per resident.
Source: OpenStreetMap
Outdoors
Outdoor paradise
Top 20% nationally — abundant parks and green space, plus trails, bike paths and places to enjoy the outdoors.
Within 3km of the suburb centre. The Outdoor Score is a national percentile led by parks and green space.
Source: OpenStreetMap
Culture
Cultural hotspot
Top 20% nationally — theatres, museums, galleries, libraries and landmarks all within reach. A genuinely vibrant cultural scene.
Within 3km of the suburb centre. The Culture Score is a national percentile weighting theatres, museums, galleries, libraries and arts centres most heavily.
Source: OpenStreetMap
Entertainment Scene
A few good options
A handful of local venues to choose from — nothing epic, but you're not driving far either.
Government liquor register data is not yet available for SA. Venue counts are estimated from OpenStreetMap within 2km of the suburb centre.
View nearby venues on the Entertainment Map →
Source: OpenStreetMap
Childcare
Outstanding childcare access
Top 20% nationally for childcare service density and quality — an excellent suburb for families with young children.
View childcare centres on the map →
Source: ACECQA National Quality Framework Register
Nearby suburbs in Onkaparinga
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Frequently asked questions about O'Sullivan Beach
Is O'Sullivan Beach safe?
O'Sullivan Beach has a residential safety score of 98/100, based on residential crime (break-ins, theft from dwellings, vehicle theft, domestic assault and robbery) per resident relative to the NSW median. Its total recorded incident rate is 5,965 per 100,000 across all categories.
What are property prices in O'Sullivan Beach?
In O'Sullivan Beach, the median house price is $778K.
How far is O'Sullivan Beach from Adelaide CBD?
O'Sullivan Beach is about 24.2 km from Adelaide CBD, an estimated 85 minutes by public transport.
What schools are in O'Sullivan Beach?
O'Sullivan Beach has 2 schools, with an average ICSEA of 1018 (the national average is 1000). Schools are listed factually, not ranked.
What is public transport like in O'Sullivan Beach?
O'Sullivan Beach has a transport score of 64/100 and 16 bus stops.