Keystone Islands
Five dredged island plats of the 1950s in Biscayne Bay
ALERTS FOR KEYSTONE ISLANDS
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Zilbert features 9 single family homes for sale in Keystone Islands today.
For Sale
9 single-family homes for sale in Keystone Islands.
| Address ⇅ | Price ⇅ | Listed ⇅ |
|---|---|---|
| 13390 Biscayne Bay DriveHome 6 bed · 6,832 SqFt | $14,900,000$2,181/SqFt | 10/12/2610/12 |
| 12685 N Bayshore DriveHome 6 bed · 6,146 SqFt | $9,250,000$1,505/SqFt | 10/23/2510/23/25 |
| 13305 Biscayne Island TerraceHome 4 bed · — SqFt | $4,199,000 · ▼12.5% | 6/8/266/8 |
| 2341 Keystone BoulevardUnder ContractHome 4 bed · 2,915 SqFt | $3,848,000$1,320/SqFt · ▼89.9% | 9/5/269/5 |
| 12990 Keystone TerraceUnder ContractHome 4 bed · 3,084 SqFt | $3,350,000$1,086/SqFt | 9/3/269/3 |
| 13100 Keystone TerraceHome 5 bed · 3,220 SqFt | $3,335,000$1,036/SqFt | 10/13/2610/13 |
| 12810 Cyprus RoadHome 3 bed · 2,760 SqFt | $3,200,000$1,159/SqFt · ▼8.6% | 8/5/268/5 |
| 12805 Maple RoadHome 3 bed · 2,146 SqFt | $3,100,000$1,445/SqFt | 10/7/2610/7 |
| Home in Keystone IslandsHome 3 bed · 2,262 SqFt | $3,100,000$1,370/SqFt · ▼4.6% | 7/5/267/5 |
Pending Sales
Under contract, awaiting closing. Once the property has closed, the sold price will be available.
No homes under contract in Keystone Islands at the moment.
Recently Sold Homes
Sorted by date.
| Address ⇅ | Sold Price ⇅ | % of Ask ⇅ | Closed ⇅ |
|---|---|---|---|
| 2273 Bayview LaneHome 4 bed · 2,900 SqFt | $3,785,000list $3,875,000 | 98% | 10/30/2610/30 |
| 2370 Bayview LaneHome 6 bed · 5,750 SqFt | $7,530,000list $8,600,000 | 88% | 7/30/267/30 |
| 2310 Bayview LaneHome 6 bed · 4,822 SqFt | $4,200,000list $4,999,000 | 84% | 7/27/267/27 |
| 12885 N Bayshore DrHome 4 bed · 3,658 SqFt | $5,400,000list $5,750,000 | 94% | 5/12/265/12 |
| 13000 Arch Creek TerHome 4 bed · 2,687 SqFt | $2,700,000list $2,850,000 | 95% | 4/29/264/29 |
| 12430 Keystone Island DriveHome 3 bed · 2,048 SqFt | $1,500,000list $1,750,000 | 86% | 2/25/262/25 |
| 13225 Arch Creek TerraceHome 6 bed · 4,547 SqFt | $7,500,000list $7,899,000 | 95% | 2/6/262/6 |
| 12855 Maple RoadHome 4 bed · 2,750 SqFt | $3,140,000list $3,600,000 | 87% | 1/15/261/15 |
Map
Nearby
Averages are weighted as total dollars over total square feet. We calculate averages based on closed sales in the MLS for the past 12 months, as of October 30, 2026. Averages are based on properties that are listed or sold for $350,000 and greater. Additional reports at all price points are available here. Price-per-square-foot figures are rounded to the nearest dollar, up or down. Where fewer than 5 closed sales exist in the window, we report the count rather than an average.
| Homes · Avg Selling Price | $1,205/SqFt · 9 sales |
|---|---|
| Asking today, all prices | $3,100,000 to $14,900,000 |
The page above reports from $350,000; this table has no price floor. Same 12-month window, same exclusions before 1990, same minimum sample of 5.