Aldinga Beach vs Port Adelaide

The median house price is $865K in Aldinga Beach and $870K in Port Adelaide, so Aldinga Beach is the cheaper entry point, with Port Adelaide houses about 1% dearer.

For units, Aldinga Beach sits at a median of $655K against $700K in Port Adelaide, which makes Aldinga Beach the more affordable unit market and Port Adelaide the pricier one.

On cash flow, Port Adelaide leads: houses there return a gross rental yield of 3.90%, compared with 3.84% in Aldinga Beach, a gap of 0.06 percentage points.

Over the past year house prices moved +12.0% in Aldinga Beach and +15.3% in Port Adelaide (an estimate), so recent momentum favours Port Adelaide, although both suburbs recorded growth.

Rental vacancy is 0.6% in Port Adelaide and 1.8% in Aldinga Beach, so landlords in Port Adelaide face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Aldinga Beach is the bigger suburb, with a population of 10,667 against 1,338, roughly 8 times the size of Port Adelaide; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Port Adelaide for rental income, Aldinga Beach for a lower purchase price, Port Adelaide for recent price momentum, Port Adelaide for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.