Maslin Beach, SA 5170 — Suburb Profile

Last reviewed: · By Knowburb Research Team

In short

Maslin Beach is a suburb of South Australia, postcode 5170, home to 1,213 residents with a settled, mature community. Located in the Onkaparinga local government area and roughly 36 km from the Adelaide CBD.

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Snapshot

Median rent$335 /wk
Population1,213
Median age46
Area6.6 km²
To CBD36 km
LGAOnkaparinga

Demographics

Population
1,213
Median age
46 years
Median household income
$1,380 /week
Median personal income
$697 /week
Median family income
$1,698 /week
Average household size
2.4
Persons per bedroom
0.7
Local government area
Onkaparinga
Statistical region (SA4)
Adelaide - South
Remoteness classification
Major Cities of Australia
Federal electorate
Kingston
Source: ABS QuickStats
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Property & cost of living

Median rent
$335 /week
Median monthly mortgage
$1,320
Rent share of household income
24%

Schools

  • Galilee Catholic School Primary · Independent
  • Galilee Catholic School Primary · Independent
  • Aldinga Beach B-7 School Primary · Government
  • Seaford Rise Primary School Primary · Government
  • Tatachilla Lutheran College Combined · Independent

Transport

  • Within 800 m walk: 1 bus stop
  • Within 1.6 km: 13 bus stops

Closest stops:

  • Stop 96 Old Coach Rd - East side bus · 726 m
  • Stop 96 Old Coach Rd - West side bus · 833 m
  • Stop 98 Old Coach Rd - East side bus · 970 m
  • Stop 97 Gulf Pde - West side bus · 1001 m
  • Stop 96 Gulf Pde - East side bus · 1011 m

Lifestyle & amenities

  • 4 parks and reserves
  • 3 playgrounds

Counts within roughly 1.5 km of the suburb centre. Data © OpenStreetMap contributors (ODbL).

Climate

  • Warmest month: Jan (28.3°C avg max)
  • Coolest month: Jul (15.0°C avg max)
  • Annual rainfall: 437 mm
  • Reference station: Adelaide Airport, 32.2 km away

NBN & connectivity

Fibre to the Premises serves 96.9% of the 718 resolvable premises in Maslin Beach. Most premises here have a fibre cable running directly into the property — the fastest and most reliable NBN option, with plans available up to NBN 1000.

  • Fibre to the Premises: 96.9%
  • Hybrid Fibre-Coaxial: 0.1%
  • Fibre to the Node: 0.1%
  • Fixed Wireless: 2.8%

Snapshot 2026-04-28. Tech mix from Luke Prior's NBN upgrade map (MIT licensed). Verify any specific address on NBN Co's address tool.

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Safety

  • Recorded offences: 20 across postcode 5170 in the year to FY2024–25 (down 17% on the prior year).
  • Most common categories: 9 violent offences, 5 property damage, 3 vehicle theft.

Frequently asked questions

What is the population of Maslin Beach?

Maslin Beach (SA 5170) had 1,213 residents at the most recent ABS Census. The median age is 46. It sits within the Onkaparinga local government area.

What is the median rent in Maslin Beach?

The median advertised rent in Maslin Beach is $335/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.

Are there schools in Maslin Beach?

Yes — 5 schools are listed within or near Maslin Beach covering independent, government sectors. Nearest include: Galilee Catholic School (3.5 km), Galilee Catholic School (3.5 km), Aldinga Beach B-7 School (3.9 km). School data sourced from ACARA and state education departments.

What NBN technology is available in Maslin Beach?

Maslin Beach is predominantly served by Fibre to the Premises (96.9% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.

How safe is Maslin Beach?

Across postcode 5170, 20 offences were recorded in the 12 months to FY2024–25. The most common offence categories were violent (9), property damage (5), vehicle theft (3). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.

What is the climate like in Maslin Beach?

In Maslin Beach, mean daily temperatures range from 11.5°C to 21.6°C and annual rainfall is 437 mm measured at the Adelaide Airport weather station (32.2 km away). Long-term averages from the Bureau of Meteorology.

What public transport options are in Maslin Beach?

13 public transport stops are mapped within 1.6 km of the Maslin Beach centroid. Within 800 m, you'll find 1 bus stop. Stop data is sourced from state government GTFS feeds.

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