Stun'Sail Boom flood map & planning overlays
A planning-constraint profile of Stun'Sail Boom
(Kangaroo Island Council, SA) - 19.59 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 4 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
19.59 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Stun'Sail Boom's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Stun'Sail Boom at a glance
How Stun'Sail Boom is zoned
Selling in Stun'Sail Boom? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose.
Across its 19.59 km², Stun'Sail Boom is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 99% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Rural. The median lot measures about 317,608 m² across 24 parcels.
Who lives in Stun'Sail Boom
Census 2021 figures published by the ABS for the Stun'Sail Boom 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 997, and decile 7 within South Australia. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Kangaroo Island, the wider ABS statistical area containing Stun'Sail Boom. There is no annual population series published at suburb level, so this describes the surrounding area rather than Stun'Sail Boom itself.
4,227 in 2001 to 5,212 in 2025, up 23%.
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.
Stun'Sail Boom 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 South Australian Planning and Design Code and Location SA spatial data |
| Bushfire-prone mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Zoning | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Heritage and environment | Mapped where published | the South Australian Planning and Design Code and Location SA spatial data |
| Aircraft noise contours (ANEF) | Not held | the South Australian Planning and Design Code and Location SA spatial data, Defence |
| Observed flight paths | Watched, not yet sampled here | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 4 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 Stun'Sail Boom 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.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Stun'Sail Boom lot.
See what's in the $9 report →Stun'Sail Boom planning - frequently asked
Is Stun'Sail Boom flood-prone?
Flood mapping covers Stun'Sail Boom and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 7%).
Is Stun'Sail Boom bushfire-prone?
Around 99% of Stun'Sail Boom is mapped as bushfire-prone, compared with a Kangaroo Island Council average of 96%.
What is the zoning in Stun'Sail Boom?
The dominant planning zone in Stun'Sail Boom is Rural, though the suburb also includes Conservation and Coastal Waters and Offshore Islands.
Does Stun'Sail Boom have heritage-listed places?
Stun'Sail Boom has 1 heritage-listed place on record.
What is the typical lot size in Stun'Sail Boom?
Across 24 surveyed parcels in Stun'Sail Boom, the median lot size is about 317,608 m².
Is Stun'Sail Boom an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Stun'Sail Boom scores 997 and sits in decile 6 of 10 nationally and decile 7 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Vivonne Bay | 8.0 km | 0% | 100% |
| Karatta | 11.4 km | 0% | 100% |
| Newland | 16.9 km | 0% | 100% |
| Gosse | 23.3 km | 0% | 100% |
| Seal Bay | 26.4 km | 0% | 100% |
| Seddon | 27.3 km | 0% | 100% |
| Duncan | 30.1 km | 0% | 100% |
| Parndana | 32.3 km | 0% | 100% |
| Flinders Chase | 32.9 km | 0% | 100% |
| Western River | 33.1 km | 0% | 100% |