Swan Island flood map & planning overlays
Swan Island is Commonwealth land on 3 ha lots, 49.2% flood-mapped.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Swan Island
(Queenscliffe, VIC) - 4.17 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 24 October 2026.
Constraint readout
4.17 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Swan Island's boundary, with the flood, bushfire and environmental overlays drawn on top. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft.
Nearby suburbs, nearest first
Aircraft noise and flight paths over Swan Island
The ANEF contour is a published planning forecast and observed overflight is what a sampled tracking feed recorded - neither describes any individual property.
Observed overflight - sampled 4 Sep to 24 Oct 2026
typical observed square 0 a day
Night movements: not established - night is sampled as often as day, but too few night flights have been seen here to conclude either way.
How this is measured
Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.
Swan Island at a glance
How Swan Island is zoned
Selling in Swan Island? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 4.17 km², Swan Island is highly constrained by planning overlays. About 49% of the suburb sits within a mapped flood overlay. There are 2 heritage-listed sites on record, and the dominant land-use zone is Commonwealth Land (CA). The median lot measures about 33,540 m² across 9 parcels.
Swan Island 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 | Vicmap Planning and Victorian Government spatial services |
| Bushfire-prone mapping | Mapped | Vicmap Planning and Victorian Government spatial services |
| Zoning | Mapped | Vicmap Planning and Victorian Government spatial services |
| Heritage and environment | Mapped where published | Vicmap Planning and Victorian Government spatial services |
| Aircraft noise contours (ANEF) | Not held | Vicmap Planning and Victorian Government spatial services, Defence |
| Observed flight paths | Observed | adsb.lol, under the Open Database License |
| Demographics | Not available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 24 October 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 Swan Island 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 →Aircraft have been seen below 3,000 ft over about 33% of Swan Island. The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Swan Island lot.
Swan Island planning - frequently asked
Is Swan Island flood-prone?
About 49% of Swan Island falls within a mapped flood overlay, against the council-wide suburb average of 47%.
Is Swan Island bushfire-prone?
Bushfire mapping covers Swan Island and little to none of it is mapped as bushfire-prone (the Queenscliffe average is 26%).
Is Swan Island under a flight path?
Aircraft were observed below 3,000 ft over about 33% of Swan Island, and over about 59% at any altitude up to 10,000 ft, in the period sampled (4 Sep 2026 to 24 Oct 2026). The lowest measured aircraft was at 500 ft, with an average of 3,500 ft. At the busiest point in the suburb about 0 aircraft a day were recorded passing over one 500 m square. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.
What is the zoning in Swan Island?
The dominant planning zone in Swan Island is Commonwealth Land (CA), though the suburb also includes Public Conservation and Resource Zone (PCRZ) and Public Park and Recreation Zone (PPRZ).
Does Swan Island have heritage-listed places?
Swan Island has 2 heritage-listed places on record.
What is the typical lot size in Swan Island?
Across 9 surveyed parcels in Swan Island, the median lot size is about 33,540 m².
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Swan Bay Greater Geelong |
2.1 km | 10% | 30% |
| Queenscliff | 2.4 km | 45% | 51% |
| Mannerim Greater Geelong |
7.1 km | 4% | 100% |
| Point Lonsdale Greater Geelong |
7.4 km | 44% | 71% |
| St Leonards Greater Geelong |
7.6 km | 19% | 86% |
| Portsea Mornington Peninsula |
8.6 km | 2% | 100% |
| Marcus Hill Greater Geelong |
9.6 km | 9% | 100% |
| Drysdale Greater Geelong |
10.8 km | 2% | 94% |
| Sorrento Mornington Peninsula |
11.7 km | 2% | 100% |
| Portarlington Greater Geelong |
12.2 km | 10% | 85% |