Muston flood map & planning overlays
A planning-constraint profile of Muston (Kangaroo Island Council, SA) - 12.98 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
12.98 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Muston'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.
Muston at a glance
How Muston is zoned
Selling in Muston? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose - a $9 planning report pulls them at the lot level for any Muston address.
Across its 12.98 km², Muston is highly constrained by planning overlays. About 100% of the suburb sits within a mapped flood overlay, and 96% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 18,888 m² across 54 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.
Muston data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| 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 |
| Demographics | Not available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 20 August 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 Muston 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 →Muston planning - frequently asked
Where can I see a flood map of Muston?
The schematic on this page is a Muston flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 100% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Muston address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Muston flood-prone?
About 100% of Muston falls within a mapped flood overlay, against the council-wide suburb average of 100%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Muston bushfire-prone?
Yes - around 96% of Muston is mapped as bushfire-prone, compared with a Kangaroo Island Council average of 96%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Muston?
The dominant planning zone in Muston is Rural, though the suburb also includes Coastal Waters and Offshore Islands and Conservation. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Muston have heritage-listed places?
No heritage-listed places are on record within Muston. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Muston?
Across 54 surveyed parcels in Muston, the median lot size is about 18,888 m².
Does Muston have a train station?
There is no train station inside Muston itself. The suburb is served by 1 bus stop.
Do I need a planning report for a Muston property?
A Muston 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.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| American River | 4.3 km | 96% | 71% |
| Sapphiretown | 4.8 km | 95% | 47% |
| Island Beach | 5.5 km | 100% | 85% |
| Ballast Head | 6.8 km | 100% | 99% |
| Pelican Lagoon | 7.2 km | 100% | 94% |
| Haines | 9.1 km | 100% | 100% |
| Nepean Bay | 9.5 km | 97% | 90% |
| Brown Beach | 10.0 km | 100% | 87% |
| Dudley West | 11.7 km | 100% | 100% |
| Baudin Beach | 11.8 km | 100% | 83% |