Corunna vs Mystery Bay, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Corunna and Mystery Bay are both Eurobodalla rates (OLG suburbs, and are commonly compared by buyers weighing up running costs within the same council area.
Corunna runs $300 a year cheaper than Mystery Bay, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $3,439.
Over 10 years the gap between these two is about $3,400, about $7 a week, and most of it is the AI-estimated insurance line.
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Mystery Bay
Annual cost breakdown
| Category | Corunna | Mystery Bay | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,285 | $1,285 | - |
| Water & sewerage Estimated | $1,300 | $1,300 | - |
| Commute (driving) Modelled, 2026-27 | $18,200 | $18,200 | - |
| Commute (public transport) Modelled, 2026-27 | $18,200 | $18,200 | - |
| Home insurance Estimated | $2,350 | $2,650 | -$300 |
| Body corporate (unit) Estimated | $1,500 | $1,500 | - |
| Total (driving) | $23,135 | $23,435 | -$300 |
| Total (public transport) | $23,135 | $23,435 | -$300 |
Totals exclude electricity, estimated separately below. Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance estimated from ACCC premium rates; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Corunna | Mystery Bay | Difference |
|---|---|---|---|
| House | $3,115 | $3,115 | - |
| Unit | $2,585 | $2,585 | - |
Estimated from AER residential benchmarks for each suburb's climate zone at 2026-27 regulated prices for each suburb's electricity network, including supply charge (AER Default Market Offer caps, or the QCA price in regional Queensland; unit ≈ 75% of a house). Get the free report for a breakdown by your exact number of occupants.
Cost breakdown chart
Annual cost breakdown, Corunna vs Mystery Bay (2026-27)
What the numbers show
Corunna and Mystery Bay differ by $300 a year by car, but $300 of that is the building insurance estimate rather than a published figure. On the sourced costs, council rates, water and the commute, the gap is $0, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $300 per year. Mystery Bay carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $300 per year, $23,135 from Corunna versus $23,435 from Mystery Bay.
Where the difference actually comes from
- Council rates is identical at $1,285 a year.
- Water and sewerage is identical at $1,300 a year.
- Driving commute is identical at $18,200 a year.
- Building insurance favours Corunna by $300 a year, $2,350 against $2,650.
Both suburbs sit in the same council area, so the rates line is identical and none of the difference between them comes from council. What separates them is the insurance band.
Fire risk is rated high in Mystery Bay against medium in Corunna, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Corunna cumulative | Mystery Bay cumulative | Difference |
|---|---|---|---|
| Year 1 | $23,135 | $23,435 | $300 |
| Year 3 | $71,508 | $72,435 | $927 |
| Year 5 | $122,827 | $124,420 | $1,593 |
| Year 10 | $265,217 | $268,656 | $3,439 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Corunna or Mystery Bay cheaper to live in?
Neither is named cheaper. Corunna runs $23,135 a year by car and Mystery Bay $23,435, but most of the $300 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $0. Source: SuburbCost 2026 data.
What are council rates in Corunna and Mystery Bay?
Annual council rates for a house are $1,285 in Corunna (Eurobodalla rates (OLG) and $1,285 in Mystery Bay (Eurobodalla rates (OLG). Water and sewerage adds $1,300 in Corunna and $1,300 in Mystery Bay. Both figures are the average residential rate reported to the Office of Local Government, uplifted by each council's IPART rate peg.
How does the commute cost compare between Corunna and Mystery Bay?
Corunna carries a flat regional driving allowance of $18,200, about 20,000 km of household driving a year, because it is more than 100 km from Sydney CBD. Mystery Bay carries a flat regional driving allowance of $18,200, about 20,000 km of household driving a year, because it is more than 100 km from Sydney CBD. No daily public transport commute is assumed from either suburb, so both are costed by car.
What is the 10-year cost difference between Corunna and Mystery Bay?
At 3% annual cost growth, Corunna costs a cumulative $265,217 and Mystery Bay costs $268,656 over 10 years by car. The cumulative difference is $3,439 in favour of Corunna. Excludes purchase price, mortgage, and personal expenses.
Which of Corunna and Mystery Bay suits you better?
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Sources: Eurobodalla rates (OLG and Eurobodalla rates (OLG rate data, water utility pricing (QLD: Queensland Urban Utilities / Unitywater; NSW: Sydney Water / Hunter Water), ATO 91c/km, and SuburbCost insurance estimates from ACCC premium rates. Data updated July 2026.