Two neighbouring Adelaide suburbs, 3.5 km apart, on the same open data. O'Sullivan Beach scores higher on 4 of 10 measures.
| O'Sullivan Beach | Port Noarlunga | |
|---|---|---|
| Active | 73 | 84 |
| Safety | 44 | 50 |
| Wealth | 6 | 23 |
| Value | 1 | 18 |
| Parks | 92 | 65 |
| Cafés | 28 | 84 |
| Transit | 17 | 11 |
| Green space | 75 | 70 |
| Active & healthy | 66 | 77 |
| Schools nearby (OSM) | 63 | 32 |
| Median rent | $300/wk | $320/wk |
| Median house price (Apr–Jun 2026) | $820,000 | $957,500 |
| House sales this quarter | 9 | 13 |
| Population | 1,844 | 3,245 |
| Full profile | O'Sullivan Beach in full | Port Noarlunga in full |
Scores are percentiles across all 274 Adelaide suburbs: 100 is the best in the city, 50 is mid-table. Highlighted figures lead the row. How we rank suburbs.
Port Noarlunga scores higher for safety (recorded crime per 1,000 residents) between the two, based on official crime statistics.
O'Sullivan Beach has the lower median house price of the two ($820,000 vs $957,500).
O'Sullivan Beach scores higher on 4 of 10 measures across safety, activity, value, parks and cafés — see the full breakdown below, or the complete profile for O'Sullivan Beach or Port Noarlunga.
Updated October 2026. Compare other Adelaide suburbs →