Coolbinia vs Marmion
Property investment comparison - Coolbinia, WA 6050 vs Marmion, WA 6020
Head-to-head across core investment metrics: Coolbinia wins 1, Marmion wins 3. 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 | Coolbinia | Marmion |
|---|---|---|
| Median house price | $2.1M | $2.2M |
| Median unit price | - | - |
| Gross rental yield (houses) | 2.36% | - |
| Gross rental yield (units) | 4.80% | 5.10% |
| 1-year house growth | +7.8%estimate | +18.3% |
| 3-year house growth | - | +57.1% |
| Vacancy rate | 1.7% | 0.8% |
| Population | 1,751 | 2,390 |
Coolbinia vs Marmion: what the numbers say
The median house price is $2.1M in Coolbinia and $2.2M in Marmion, so Coolbinia is the cheaper entry point, with Marmion houses about 5% dearer.
Over the past year house prices moved +7.8% in Coolbinia (an estimate) and +18.3% in Marmion, so recent momentum favours Marmion, although both suburbs recorded growth.
Rental vacancy is 0.8% in Marmion and 1.7% in Coolbinia, so landlords in Marmion face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.
Marmion is the bigger suburb, with a population of 2,390 against 1,751, larger than Coolbinia; a larger suburb usually means a deeper pool of buyers and tenants.
In short: Coolbinia for a lower purchase price, Marmion for recent price momentum, Marmion 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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