Southport Lagoon flood map & planning overlays
A planning-constraint profile of Southport Lagoon (Huon Valley, TAS) - 25.93 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
25.93 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Southport Lagoon'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.
Southport Lagoon at a glance
How Southport Lagoon is zoned
Buying in Southport Lagoon? The zone and code overlays on this page are the Tasmanian Planning Scheme controls a section 337 certificate reports for a title - a $9 planning report pulls them at the lot level for any Southport Lagoon address.
Across its 25.93 km², Southport Lagoon is highly constrained by planning overlays. About 23% of the suburb sits within a mapped flood overlay, and 98% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Environmental Management. The median lot measures about 89,661 m² across 11 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.
Southport Lagoon 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 Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Bushfire-prone mapping | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Zoning | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Heritage and environment | Mapped where published | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| 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 Southport Lagoon 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 →Southport Lagoon planning - frequently asked
Where can I see a flood map of Southport Lagoon?
The schematic on this page is a Southport Lagoon flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 23% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Southport Lagoon address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Southport Lagoon flood-prone?
About 23% of Southport Lagoon falls within a mapped flood overlay, against the council-wide suburb average of 4%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Southport Lagoon bushfire-prone?
Yes - around 98% of Southport Lagoon is mapped as bushfire-prone, compared with a Huon Valley average of 99%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Southport Lagoon?
The dominant planning zone in Southport Lagoon is Environmental Management, though the suburb also includes Rural and Landscape Conservation. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Southport Lagoon have heritage-listed places?
Southport Lagoon has 2 heritage-listed places on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Southport Lagoon?
Across 11 surveyed parcels in Southport Lagoon, the median lot size is about 89,661 m². There are also 1 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.
Do I need a planning report for a Southport Lagoon property?
A Southport Lagoon 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 |
|---|---|---|---|
| Ida Bay | 6.8 km | 22% | 100% |
| Recherche | 9.0 km | 6% | 100% |
| Southport | 9.8 km | 2% | 100% |
| Lune River | 12.2 km | 6% | 100% |
| Hastings | 12.5 km | 7% | 99% |
| Strathblane | 15.4 km | 4% | 100% |
| Dover | 23.1 km | 3% | 99% |
| Raminea | 25.0 km | 2% | 100% |
| Surveyors Bay | 26.0 km | 2% | 100% |
| Lunawanna Kingborough |
26.6 km | 2% | 100% |