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
ATO 2023-24, postcode 5166 area — postcode-level, not suburb-specific.
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 1095
- O'Sullivan Beach Primary SchoolPrimary · GovernmentICSEA 926
Nearby (within 10km)
- St John The Apostle Parish SchoolPrimary · Catholic · 0.9kmICSEA 1021
- Christies Beach Primary SchoolPrimary · Government · 1.9kmICSEA 889
- Christie Downs Primary SchoolPrimary · Government · 2kmICSEA 925
- FAME - Flexible Accredited Meaningful Engagement - Wardli Youth CentreSecondary · Catholic · 2km
- FAME - Flexible Accredited Meaningful EngagementSecondary · Catholic · 2.2kmICSEA 952
- Cardijn College - Marcellin CampusSecondary · Catholic · 2.3km
- Lonsdale Heights Primary SchoolPrimary · Government · 2.3kmICSEA 949
- Bowden Brompton Community School - Beach CampusCombined · Government · 2.3km
- Port Noarlunga Primary SchoolPrimary · Government · 2.5kmICSEA 999
- Christies Beach High SchoolSecondary · Government · 2.6kmICSEA 905
- Bowden Brompton Community School - Torrens Road CampusCombined · Government · 2.6km
- Sports College South Australia - South Adelaide Football Club CampusSecondary · Independent · 3.1km
Source: ACARA MySchool · Updated 2025
Transport
Source: TfNSW GTFS
Employment & Economy
Top local industries
Source: DEWR SALM / ABS Census 2021 · Updated SALM Mar 2026 / 2021 Census
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.
In this suburb
Source: Bureau of Meteorology · OpenStreetMap · Healthdirect NHSD (via Geoscience Australia)
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 · Updated July 2026
Places of Worship
Mapped places of worship within 3km of the suburb centre, grouped by religion where recorded. Community mapping may not capture every congregation.
Source: OpenStreetMap
Nearby suburbs in Onkaparinga
Compare O'Sullivan Beach with another suburb
Compare two suburbs
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 1011 (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.