Castaways Beach flood map & planning overlays
A planning-constraint profile of Castaways Beach
(Noosa Shire, QLD) - 2.85 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 19 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
2.85 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Castaways Beach's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Castaways Beach at a glance
Schools in and near Castaways Beach
Public school-location data shows availability across the suburb. These figures do not rate schools and do not assign a particular address to a catchment.
Inside the suburb boundary
0 schools providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: 1.66 km from the suburb boundary
Secondary: 1.17 km from the suburb boundary
Source: Queensland Government school geographic information. Catchment boundaries can divide a suburb and change over time; use the official catchment finder for a specific address.
How Castaways Beach is zoned
Selling in Castaways Beach? The lot-level zone is the zoning Part 3 of Queensland's Form 2 seller disclosure statement asks for - see our Form 2 planning data guide.
Across its 2.85 km², Castaways Beach is highly constrained by planning overlays. About 6% of the suburb sits within a mapped flood overlay, and 95% is flagged bushfire-prone. The dominant land-use zone is Environmental Management and Conservation. The median lot measures about 708 m² across 349 parcels.
Who lives in Castaways Beach
Census 2021 figures published by the ABS for the Castaways Beach suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 1101, and decile 10 within Queensland. The national average is 1000.
Age profile
Share of Castaways Beach's 683 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Sunshine Beach, the wider ABS statistical area containing Castaways Beach. There is no annual population series published at suburb level, so this describes the surrounding area rather than Castaways Beach itself.
6,393 in 2001 to 7,524 in 2025, up 18%.
Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.
Castaways Beach data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Bushfire-prone mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Zoning | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Heritage and environment | Mapped where published | the relevant council planning scheme and Queensland Government spatial data |
| Aircraft noise contours (ANEF) | Not held | the relevant council planning scheme and Queensland Government spatial data, Defence |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
Profile last materially updated 19 September 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Castaways Beach address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
Published flood models are held over parts of Castaways Beach. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$9 with the planning report.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Castaways Beach lot.
See what's in the $9 report →Castaways Beach planning - frequently asked
Is Castaways Beach flood-prone?
About 6% of Castaways Beach falls within a mapped flood overlay, against the council-wide suburb average of 28%.
Is Castaways Beach bushfire-prone?
Around 95% of Castaways Beach is mapped as bushfire-prone, compared with a Noosa Shire average of 76%.
What is the zoning in Castaways Beach?
The dominant planning zone in Castaways Beach is Environmental Management and Conservation, though the suburb also includes Low Density Residential and Recreation and Open Space.
Does Castaways Beach have heritage-listed places?
No heritage-listed places are on record within Castaways Beach.
What is the typical lot size in Castaways Beach?
Across 349 surveyed parcels in Castaways Beach, the median lot size is about 708 m². There are also 63 registered easements mapped in the suburb.
Does Castaways Beach have a train station?
There is no train station inside Castaways Beach itself. The suburb is served by 4 bus stops.
What is the population of Castaways Beach?
At the 2021 Census Castaways Beach had 683 usual residents, with a median age of 51 and an average household size of 2.6 people. The wider Sunshine Beach statistical area, which contains Castaways Beach, went from 6,393 people in 2001 to 7,524 in 2025, up 18%.
Is Castaways Beach an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Castaways Beach scores 1101 and sits in decile 10 of 10 nationally and decile 10 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Castaways Beach?
Median household income in Castaways Beach was $2,083 a week at the 2021 Census, against $1,602 for the typical suburb in Noosa Shire. Median rent was $750 a week and the median mortgage repayment $2,184 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Marcus Beach | 1.8 km | 8% | 97% |
| Sunrise Beach | 1.9 km | 1% | 41% |
| Sunshine Beach | 3.3 km | <1% | 27% |
| Noosa Heads | 3.7 km | 25% | 67% |
| Noosaville | 4.1 km | 69% | 42% |
| Peregian Beach | 4.8 km | 18% | 93% |
| Weyba Downs Sunshine Coast Regional |
5.7 km | 15% | 72% |
| Peregian Beach Sunshine Coast Regional |
5.9 km | 24% | 60% |
| Doonan | 7.4 km | 13% | 96% |
| Peregian Springs Sunshine Coast Regional |
7.5 km | 18% | 31% |