Seal Bay, SA 5223
Kangaroo IslandAll suburbs in postcode 5223
Updated
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
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Rent in Seal Bay
Rental data as of October 2026
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What to know about Seal Bay
Seal Bay (5223) sits in the Kangaroo Island region of South Australia.
Seal Bay has roughly 7 residents, with an established, older skew. Households are dominated by renters. Daily life is car-dependent: most residents drive to work, school and the shops.
What it’s like to live here
Seal Bay scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 25°C (mild), winter mornings around 8°C (mild). Annual rainfall lands at about 558 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Location
Walkability
- Walk
- 0/100
- Transit
- 0/100
- Bike
- 0/100
Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
Demographics
The 2021 Census put Seal Bay's population at 7, with a median age of 45. That sits as an established, older skew.
- Population
- 7
- Median age
- 45
Demographics data as of May 2026· ABS 2021 Census
Weather year-round
- Annual rainfall
- 558 mm
- Hottest month, avg max
- 25.1°C
- Coldest month, avg min
- 8.2°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions about Seal Bay
- What is the Seal Bay postcode?
- Seal Bay is in the 5223 postcode, in SA, in the Kangaroo Island region.
- Where is Seal Bay?
- Seal Bay is a suburb in the Kangaroo Island area, SA 5223.
- How walkable is Seal Bay?
- Seal Bay has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Seal Bay?
- Seal Bay is close to Vivonne Bay, Newland, Seddon, Harriet River, Macgillivray.
- What is the population of Seal Bay?
- The population of Seal Bay is approximately 7 (2021 Census). The median age is 45.
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Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.