St Marys
Suburb profile, market snapshot and recent listings for St Marys, SA 5042.
About St Marys
Welcome to St Marys
St Marys is a quiet, well-established residential suburb sitting about 9 kilometres south of the Adelaide CBD, tucked between Pasadena to the west, Daw Park to the north, and Clovelly Park to the east. It occupies a comfortable middle ground — close enough to the city for an easy commute, yet far enough removed to feel genuinely suburban in pace and character.
The suburb draws a broad mix of residents: families who value the green streetscapes and proximity to good schooling, professionals who appreciate the straightforward run into the city, and buyers looking for solid bricks-and-mortar value in Adelaide's southern corridor. It is not a suburb that shouts for attention, but that understated reliability is precisely part of its appeal.
Housing & architecture
St Marys is overwhelmingly a house suburb, with detached dwellings making up around 80 per cent of current listings and apartments or units accounting for the remaining 20 per cent. The housing stock reflects several decades of suburban Adelaide growth — expect a mix of solid post-war bungalows, 1960s and 70s brick veneer homes, and a scattering of more contemporary renovations and infill builds on larger blocks.
Block sizes are generally generous by today's standards, which has historically attracted owner-occupiers looking for backyard space and, more recently, developers drawn to the subdivision potential. Streetscapes are leafy and well-maintained, giving the suburb a settled, lived-in character that newer developments struggle to replicate.
The property market
St Marys has seen meaningful price growth in recent years, with the median house price sitting at $980,000 and recent annual growth recorded at 10.4 per cent — a strong result that reflects broader demand across Adelaide's southern suburbs. For buyers priced out of the inner south, St Marys continues to offer a compelling alternative without sacrificing convenience.
Units and apartments offer a lower entry point, with a median price of $451,000 — a figure that suits first-home buyers or investors seeking yield. The median weekly rent of $650 keeps the suburb competitive for landlords, and the tight listing volumes typical of the area tend to support prices even during softer market conditions. Given the trajectory of neighbouring Pasadena and Bedford Park, St Marys looks well-placed to continue attracting attention.
Getting around
Public transport in St Marys is anchored by tram and bus stops at Stop 23, with services available at Fiveash Drive (east and west sides) and Cashel Street (east and west sides). This gives residents multiple boarding points for services heading north toward the city centre and south toward Tonsley, which is particularly handy given Adelaide's expanding Tonsley tram extension.
For those who drive, the suburb sits within easy reach of Marion Road and South Road — two of Adelaide's main north-south arterials — making connections to the CBD, the airport precinct, and the broader metro area straightforward. Tonsley and Bedford Park, both immediately adjacent, add extra employment and transport options within a short commute.
Shopping & amenities
Day-to-day retail in St Marys is supplemented by a practical mix of nearby services. Motorists and car buyers are well-served by the Adrien Brian Hyundai and Adrien Brian Ford dealerships in the area, and a Dan Murphy's provides one of life's other essentials within easy reach. Clark Rubber rounds out the local commercial offering for those with more specific DIY or leisure needs.
For broader shopping, residents typically head to the Westfield Marion complex in nearby Oaklands Park, one of South Australia's largest shopping centres, which covers everything from major supermarkets to department stores and dining. Pasadena and Daw Park also have local retail strips that handle everyday errands without requiring a trip further afield.
Schools & families
St Bernadette's School is the primary education option within the suburb, offering Catholic schooling in a community-oriented setting that has long been a draw for families in the area. The school contributes to the suburb's family-friendly character and is one reason St Marys tends to retain owner-occupier households across generations.
Secondary schooling options are accessible via neighbouring suburbs, and the proximity to Bedford Park — home to Flinders University and the Flinders Medical Centre — makes St Marys a practical base for students and healthcare workers alike. The combination of good local schooling and easy access to tertiary education infrastructure gives the suburb genuine appeal across different life stages.
Parks & recreation
Green space in St Marys is modest but present, with Thistleton Crescent Reserve providing a local park option for residents seeking an afternoon walk or somewhere for children to play. Several other pockets of unnamed reserve land are scattered through the suburb, contributing to the leafy feel without dominating the streetscape.
For more expansive recreation, the suburb's proximity to Tonsley and Clovelly Park opens up access to a wider network of parks and walking trails. The broader southern suburbs corridor also has a number of sporting clubs, ovals, and recreation grounds within a short drive, ensuring residents are not short of options when it comes to outdoor activity.
Market snapshot
St Marys property market
Median sale price
$985k
House · 3 bed
Median rent
$670
per week
Gross rental yield
3.5%
annual rent ÷ sale price
Typical price range
Entry
$746k
Median
$985k
Premium
$1.18m
Days on market
58
Auction clearance
42%
Sold this year
20
Median sold price trend · House 3 bed
Compound growth +8.8% / yr over 4 yrs
Property types on market
Share of current listings in St Marys by dwelling type.
Who lives here
Demographics
ABS Census 2021 figures for St Marys, SA 5042.
Population
3,010
residents (2021)
Median age
35
years
Household income
$1,490
median, per week
Median rent
$285
per week
Median mortgage
$1,654
per month
Mortgage / income
26%
comfortable
Source: Australian Bureau of Statistics, Census of Population and Housing 2021. Suburb-level (SAL) aggregates.
Education
Schools in St Marys
Independent & Catholic schools
Recent results
Recently sold in St Marys
$935k
8a Bailey Street
Sold ~July 2026
$540k
3/51 Thurles Street
Sold ~July 2026
$1.18m
33 Walsh Avenue
Sold ~June 2026
$580k
3/114 Cashel Street
Sold ~June 2026
$1.20m
19 Barnett Avenue
Sold ~June 2026
$750k
13 Merriton Avenue
Sold ~June 2026
Sold prices as published on the original listing; some may reflect the last advertised price. Dates are approximate.
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Properties & amenities in St Marys
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Price map around St Marys
Every listing for sale near St Marys, coloured by price — so you can see how it stacks up against the streets and suburbs next door.
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Common questions
St Marys suburb FAQ
What is the median property price in St Marys?
The median house price in St Marys, SA is $985k for a 3-bedroom home. Over the past year, median sold prices have risen about 10.9%.
How much is rent in St Marys?
The median weekly rent in St Marys is around $670 per week.
Is St Marys a good place to live?
St Marys is a suburb of Adelaide, South Australia, located to the south of the Central Business District. St Marys is an established residential suburb in SA, with a population of around 3,010 and 1 school in the area.
What is the population of St Marys?
St Marys has a population of 3,010 (ABS 2021 Census), with a median age of 35.
What schools are in St Marys?
There is 1 school in or near St Marys, including St Bernadette's School.
How long do homes take to sell in St Marys?
Properties in St Marys take around 58 days to sell on average, with an auction clearance rate of about 42%.
How much do you need to buy in St Marys?
Entry-level properties in St Marys start around $746k, while premium homes reach $1.18m.
What suburbs are near St Marys?
Suburbs near St Marys include Pasadena, Bedford Park, Tonsley, Daw Park and Clovelly Park.
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