Port Elliot vs St Marys
Property investment comparison - Port Elliot, SA 5212 vs St Marys, SA 5042
Head-to-head across core investment metrics: Port Elliot wins 1, St Marys wins 5. The better choice depends on whether you're optimising for cash flow, growth, affordability, or liquidity, the table below highlights the winner on each metric.
| Metric | Port Elliot | St Marys |
|---|---|---|
| Median house price | $1.1M | $1.0M |
| Median unit price | $670K | $540K |
| Gross rental yield (houses) | 2.67% | - |
| Gross rental yield (units) | 2.49% | 4.80% |
| 1-year house growth | +6.3% | +11.7% |
| 3-year house growth | +32.0% | +30.9% |
| Vacancy rate | 1.0% | 0.3% |
| Population | 2,251 | 3,010 |
Port Elliot vs St Marys: what the numbers say
The median house price is $1.1M in Port Elliot and $1.0M in St Marys, so St Marys is the cheaper entry point, with Port Elliot houses about 3% dearer.
For units, Port Elliot sits at a median of $670K against $540K in St Marys, which makes St Marys the more affordable unit market and Port Elliot the pricier one.
Over the past year house prices moved +6.3% in Port Elliot and +11.7% in St Marys, so recent momentum favours St Marys, although both suburbs recorded growth.
Looking back three years, Port Elliot houses are +32.0% and St Marys houses +30.9%, so Port Elliot has compounded faster than St Marys over the longer window.
Rental vacancy is 0.3% in St Marys and 1.0% in Port Elliot, so landlords in St Marys face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.
St Marys is the bigger suburb, with a population of 3,010 against 2,251, larger than Port Elliot; a larger suburb usually means a deeper pool of buyers and tenants.
In short: St Marys for a lower purchase price, St Marys for recent price momentum, St Marys for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.
Keep exploring
- National investment guide - top suburbs across every metric
- Take the suburb finder quiz - 5 questions to match your goals
- How our investment score works
- Property investment glossary - every term defined
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