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.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
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. It shows where constraints fall; the interactive map shows them on your exact address.
Castaways Beach at a glance
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 12% 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 715 m² across 343 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
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: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
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.
See what's in the $9 report →Castaways Beach planning - frequently asked
Where can I see a flood map of Castaways Beach?
The schematic on this page is a Castaways Beach flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 12% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Castaways Beach address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Castaways Beach flood-prone?
About 12% of Castaways Beach falls within a mapped flood overlay, against a Noosa Shire average of 33%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Castaways Beach bushfire-prone?
Yes - around 95% of Castaways Beach is mapped as bushfire-prone, compared with a Noosa Shire average of 76%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
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. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Castaways Beach have heritage-listed places?
No heritage-listed places are on record within Castaways Beach. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Castaways Beach?
Across 343 surveyed parcels in Castaways Beach, the median lot size is about 715 m². There are also 63 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
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%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Castaways Beach alone.
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 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
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. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Castaways Beach property?
A Castaways Beach planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.