Private treaty
18 Mcilwain Drive sold for $2,220,000 on 23 Jul 2026. That is $175,000 below the $2,395,000 median of the 19 houses sold within a kilometre in the year to the sale, and $1,485,000 more than it sold for in Oct 2013.
It is a house on a 666 m² block.
The line is Mermaid Waters's median house price over rolling 12 months. The dots are every recorded sale of 18 Mcilwain Drive.
Its lowest sale against the suburb median was 93%, in 2026; its highest, 126% in 1995. Between its last two sales it rose 202.0%. Mermaid Waters's median house price rose 286.3% over the same period.
Mermaid Waters's rolling median was $2,170,000 in the 12 months to March 2026 and $2,395,000 in the 12 months to September 2026.
| Sold | Price | Suburb median | Ratio |
|---|---|---|---|
| Jun 1989 | $253,000 | $205,000 | 123% |
| May 1995 | $271,000 | $215,000 | 126% |
| Oct 2013 | $735,000 | $620,000 | 119% |
| Jul 2026 | $2,220,000 | $2,395,000 | 93% |
Bought in 2005: the Mermaid Waters median house was $492,500. In the 12 months to September 2026 it was $2,395,000, 4.9 times as much.
A suburb median describes the typical sale, not your home. Your own address has its own record. Look it up.
Houses within 800 metres sold in the year to this sale, nearest first.

8 more of these sales sit beyond this frame.
| Address | Sold | Days | Price path |
|---|---|---|---|
| 18 Mcilwain Drive this sale · Jul 2026 | $2,220,000 | – | No price published |
| 4 Peter Blondell Drive 72 m · Jul 2026 · 4 bed | $2,515,000 | – | No price published |
| 12 Fairsky Avenue 282 m · Jul 2026 · 4 bed | $1,775,000 | – | No price published |
| 29A Bight Court 326 m · Jun 2026 · 5 bed | $6,250,000 | 68 | No price published |
| 3 Fairsky Avenue 328 m · Apr 2026 · 3 bed | $1,805,000 | 18 | No price published |
| 27 Cadence Avenue 476 m · May 2026 · 5 bed | $3,600,000 | – | No price published |
| 30 Kurrawa Avenue 551 m · Apr 2026 · 3 bed | $4,100,000 | 29 | No price published |
| 90 Rumrunner Street 602 m · May 2026 · 4 bed | $1,970,000 | 21 | Auction |
| 78 Markeri Street 684 m · Apr 2026 · 4 bed | $2,325,000 | 36 | No price published |
| 6 Barrier Reef Drive 782 m · Jun 2026 · 4 bed | $2,070,000 | – | No price published |
| 18 Wanneroo Court 791 m · Jun 2026 · 5 bed | $1,960,000 | 126 | $2,200,000+ −10.9% |
Block, land, flood height, rooms and condition, from survey, laser and photo data.
666 m² · Freehold

Roof footprint and height from the 2022 laser survey of the Gold Coast.
Queensland Revenue Office schedule applied to $2,220,000.
Its own sales record, its block measured by laser survey, its flood height, and the sales around it.
Every home in Mermaid Waters and the suburbs around it: its sales record, its block and the sales nearest it.
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