Coasters Retreat at a glance
Walk score
0
Very car dependent
Population
30
Median age 66
The brief
What to know about Coasters Retreat.
The postcode for Coasters Retreat is 2108 (NSW), part of Greater Sydney.
Coasters Retreat (2108) sits in the Northern Beaches region of NSW.
Coasters Retreat has roughly 30 residents, with a retiree-heavy demographic. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Coasters Retreat scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 26°C (mild), winter mornings around 8°C (mild). Annual rainfall lands at about 1302mm. Data comes from the Bureau of Meteorology's Sydney (Observatory Hill) station, 32.5km away.
Schooling within or near the suburb covers 6 government primary, 2 government secondary, 3 Catholic, 2 independent.
Who lives here
Demographics.
The 2021 Census put Coasters Retreat's population at 30, with a median age of 66. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (94% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (83% family households, 44% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
30
Median age
66
Family households
83%
Lone person
44%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Sales data as of May 2026· rental-nsw
Rental and ownership
Weekly rent (house)
$850/wk
Weekly rent (unit)
$350/wk
Owner occupied
94%
Renter occupied
–
At a deeper level
30
Median age: 66
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Safety
Crime and safety.
6
total offences in 2025
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of January 2025· State Police Open Data
Getting around
Walkability.
0
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Coasters Retreat.
Local schools for Coasters Retreat
View the catchment for each school to find out more.
Government School Catchment
Barrenjoey High School
Bilgola Plateau Public School
Avalon Public School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
1302 mm
Hottest Month (avg max)
26.2°C
Coldest Month (avg min)
8.4°C
Monthly Rainfall (mm)
Weather data from BOM station Sydney (Observatory Hill) (33 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Coasters Retreat.
- What is the Coasters Retreat postcode?
- Coasters Retreat is in the 2108 postcode, in NSW, in the Northern Beaches Council region.
- Where is Coasters Retreat?
- Coasters Retreat is a suburb of Sydney, in NSW 2108. It is part of the Greater Sydney area, in the Northern Beaches Council region.
- What is the average rent in Coasters Retreat?
- The median weekly rent for houses is $850, for units it's $350.
- What schools are in Coasters Retreat?
- There are 13 schools serving Coasters Retreat on this page, including Maria Regina Catholic Primary School, Barrenjoey High School, Barrenjoey Montessori School.
- How walkable is Coasters Retreat?
- Coasters Retreat has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Coasters Retreat?
- Coasters Retreat is close to Currawong Beach, The Basin, Great Mackerel Beach, Palm Beach, Morning Bay.
- What is the population of Coasters Retreat?
- The population of Coasters Retreat is approximately 30 (2021 Census). The median age is 66.
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Coasters Retreat
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Side by side
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
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