Overall score
Largs Bay
52.9/100
Semaphore South
35.5/100
Largs Bay for retirees and families; Semaphore South for schools.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Overall score
Largs Bay
52.9/100
Semaphore South
35.5/100
Crime rate
Largs Bay
63.4 / 1k
Semaphore South
63.7 / 1k
Nearby amenities
Largs Bay
140
Semaphore South
68
Population
Largs Bay
4,104
Semaphore South
1,031
Desirability pillars scored 0–100 vs comparable suburbs
Clearer edge on lifestyle fit (score gap ≥ 3)
Who each suburb suits — composite scores out of 100
Side-by-side scores for every compared metric.
Exact figures for every metric — winner highlighted in bold.
| Category | Largs Bay | Semaphore South |
|---|---|---|
| Overall score | 52.9/100 | 35.5/100 |
| Housing (desirability) | 55.2/100 | 41.3/100 |
| Crime rate | 63.4 / 1k | 63.7 / 1k |
| Schools & preschools | 1 | 1 |
| Public transport stops | 19 | 7 |
| Walkability | 55.5/100 | 12.5/100 |
| Nearby amenities | 140 | 68 |
| Planning activity | 55 | 19 |
| Population | 4,104 | 1,031 |
| SEIFA (IRSAD decile) | 7/10 | 8/10 |
Largs Bay is a beachside mid-sized suburb where the coast sets the tone, while Semaphore South is a coastal smaller community with an easy, sea-led rhythm.
Largs Bay pulls ahead on housing affordability and a quieter safety profile, whereas Semaphore South is the better pick for a calmer planning outlook and stronger socioeconomic advantage.
Largs Bay suits retirees and families more clearly, whereas Semaphore South is the stronger match for households prioritising schools.