Overall score
O'Sullivan Beach
37.9/100
Port Noarlunga
38.0/100
O'Sullivan Beach vs Port Noarlunga, SA Suburb Comparison
O'Sullivan Beach for families and investment; Port Noarlunga for beach lifestyle.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Visual comparison
O'Sullivan BeachPort Noarlunga
Crime rate
O'Sullivan Beach
49.2 / 1k
Port Noarlunga
46.4 / 1k
Nearby amenities
O'Sullivan Beach
87
Port Noarlunga
189
Population
O'Sullivan Beach
1,844
Port Noarlunga
3,245
Metric leadO'Sullivan Beach 3Port Noarlunga 72 tiedacross 12 compared metrics
Livability profile
Desirability pillars scored 0–100 vs comparable suburbs
Quick verdicts
Clearer edge on lifestyle fit (score gap ≥ 3)
- Best for familiesO'Sullivan Beach
- Best for beach lifestylePort Noarlunga
- Best for investmentO'Sullivan Beach
- Best for best schoolsO'Sullivan Beach
Audience fit
Who each suburb suits — composite scores out of 100
All metrics
Side-by-side scores for every compared metric.
Full comparison table
Exact figures for every metric — winner highlighted in bold.
| Category | O'Sullivan Beach | Port Noarlunga |
|---|---|---|
| Overall score | 37.9/100 | 38.0/100 |
| Housing (desirability) | 70.2/100 | 61.7/100 |
| Crime rate | 49.2 / 1k | 46.4 / 1k |
| Schools & preschools | 2 | 2 |
| Weather (desirability) | 56.4/100 | 56.4/100 |
| Public transport stops | 16 | 18 |
| Walkability | 51.0/100 | 49.0/100 |
| Nearby amenities | 87 | 189 |
| Planning activity | 92 | 54 |
| Green cover | 7.3% | 2.0% |
| Population | 1,844 | 3,245 |
| SEIFA (IRSAD decile) | 1/10 | 4/10 |
Comparison summary
O'Sullivan Beach is a beachside smaller community where the coast sets the tone, while Port Noarlunga is a coastal mid-sized suburb with an easy, sea-led rhythm. O'Sullivan Beach sits near both coast and city, whereas Port Noarlunga is firmly coastal.
On the data, O'Sullivan Beach is stronger for housing affordability, walkability, and tree cover and green space; Port Noarlunga answers with a quieter safety profile, public transport access, and nearby cafés and amenities. O'Sullivan Beach generally means more approachable housing costs, while Port Noarlunga leans toward housing toward the upper end of the market.
Investors, value-focused buyers, and households prioritising schools may find O'Sullivan Beach the better fit, while retirees are more likely to prefer Port Noarlunga.
Generated from the official metrics on this page. It can omit nuance or contain errors — check the tables and source notes before relying on it.