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.
Profile updated 6 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
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.
Nearby suburbs, nearest first
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.
Across its 25.93 km², Southport Lagoon is highly constrained by planning overlays. About 27% 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.
Southport Lagoon 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 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) |
| Aircraft noise contours (ANEF) | Not held | the Tasmanian Planning Scheme and the LIST (Land Tasmania), Defence |
| Observed flight paths | Watched, not yet sampled here | adsb.lol, under the Open Database License |
| Demographics | Not available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 6 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 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
Is Southport Lagoon flood-prone?
About 27% of Southport Lagoon falls within a mapped flood overlay, against the council-wide suburb average of 8%.
Is Southport Lagoon bushfire-prone?
Around 98% of Southport Lagoon is mapped as bushfire-prone, compared with a Huon Valley average of 99%.
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.
Does Southport Lagoon have heritage-listed places?
Southport Lagoon has 2 heritage-listed places on record.
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.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Ida Bay | 6.8 km | 24% | 100% |
| Recherche | 9.0 km | 10% | 100% |
| Southport | 9.8 km | 5% | 100% |
| Lune River | 12.2 km | 12% | 100% |
| Hastings | 12.5 km | 12% | 99% |
| Strathblane | 15.4 km | 9% | 100% |
| Dover | 23.1 km | 6% | 99% |
| Raminea | 25.0 km | 7% | 100% |
| Surveyors Bay | 26.0 km | 5% | 100% |
| Lunawanna Kingborough |
26.6 km | 9% | 100% |