Marion Bay flood map & planning overlays
A planning-constraint profile of Marion Bay (Sorell, TAS) - 4.37 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
4.37 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Marion Bay'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.
Marion Bay at a glance
How Marion Bay is zoned
Buying in Marion Bay? 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 Marion Bay address.
Across its 4.37 km², Marion Bay is highly constrained by planning overlays. About 39% of the suburb sits within a mapped flood overlay, and 100% 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 1,145 m² across 80 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.
Marion Bay 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 Marion Bay 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 →Marion Bay planning - frequently asked
Where can I see a flood map of Marion Bay?
The schematic on this page is a Marion Bay flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 39% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Marion Bay address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Marion Bay flood-prone?
About 39% of Marion Bay falls within a mapped flood overlay, against the council-wide suburb average of 9%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Marion Bay bushfire-prone?
Yes - around 100% of Marion Bay is mapped as bushfire-prone, compared with a Sorell average of 92%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Marion Bay?
The dominant planning zone in Marion Bay is Environmental Management, though the suburb also includes Agriculture and Rural. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Marion Bay have heritage-listed places?
Marion Bay 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 Marion Bay?
Across 80 surveyed parcels in Marion Bay, the median lot size is about 1,145 m². There are also 13 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 Marion Bay property?
A Marion Bay 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 |
|---|---|---|---|
| Boomer Bay | 3.7 km | 9% | 100% |
| Bream Creek | 5.8 km | 6% | 100% |
| Copping | 7.1 km | 3% | 100% |
| Dunalley | 8.9 km | 9% | 99% |
| Kellevie | 9.2 km | 2% | 100% |
| Carlton River | 12.0 km | 4% | 100% |
| Connellys Marsh | 12.3 km | 20% | 100% |
| Murdunna Tasman |
13.4 km | 2% | 100% |
| Forcett | 15.7 km | 3% | 100% |
| Carlton | 16.2 km | 12% | 94% |