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445 GRAND BAY DR, Key Biscayne 33149
1997
Year Built
138
Units
CI Score
Moderate
2
For Sale
$6.0M
Avg Price
$1,626
Sale $/SF
2
For Rent
$11,000
Avg Rent
$3.90
Rent $/SF
+6.1%
YoY
For Sale
2
For Rent
2
Investor-Owned
60%
Avg HOA
$7,046/mo
Address
445 GRAND BAY DR, Key Biscayne, 33149
Neighborhood
Key Biscayne
Year Built
1997
Total Units
138
Avg Unit Sqft
3,220 SF
Tier
Ultra Luxury
Avg $/SF
$1,625.7
Avg Rent
$11,000/mo
Rent $/SF
$3.90/SF
HOA Range
$7,046 – $7,046
Google Rating
4.5 (2787 reviews)
Neighborhood Rank
Top 4%
Avg Unit Value
$3.1M
Total Sales (All-Time)
352
Sale Price Trend ($/SF)
$1,345
Rental Price Trend ($/SF)
$6.25
Building Activity
Closed Sales (120d)
0
transactions
Low volume
Median Rent
$11,000
/month
Active Listings
For Sale (2)
$2.1M
$9.9M
For Rent (2)
$10K
Unit 711
$12K
Unit 310Recent Sales
| Date | Price | $/SF | Bed/Bath | SF |
|---|---|---|---|---|
| Nov 18, 2025 | $4.5M | $1,344.88 | 3/4 | 3,320 |
| Sep 9, 2025 | $2.7M | $1,035.99 | 2/3 | 2,570 |
| Aug 28, 2025 | $8.0M | $1,663.2 | 5/5 | 4,810 |
| Aug 15, 2025 | $2.8M | $932.2 | 3/4 | 2,950 |
| Jun 25, 2025 | $4.5M |
Total Units
138
Avg Sqft
3,220 SF
Avg Assessed
$2.5M
Owner-Occupied
40%
Tax & Ownership
Investor-Owned
60%
Owner-Occupied
40%
Avg Assessed Value
$2.5M
Avg Taxable Value
$2.4M
Effective Year Built
1997
Zoning
9400
Unit Mix
Avg 2,102 SF
Avg 3,334 SF
Avg 7,545 SF
Avg 5,564 SF
Unit Directory
Showing 10 of 138 units| Unit | Beds | Baths | SF | Assessed | Owner | Last Sale | $/SF | Sale Date |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | — | — | — | — |
| 101 | 3 | 3 | 3,150 | $2.2M | — | $1.2M | $367 | Mar 2000 |
| 102 | 2 | 4 | 2,360 | $1.6M | — | $585K | $248 | Nov 1997 |
| 103 | 3 | 4 | 2,930 | $1.6M | ✓ | $2.1M | $717 | Apr 2017 |
| 104 | 3 | 3 | 3,250 | $2.6M | ✓ | $3.1M | $954 | Nov 2023 |
| 201 | 2 | 3 | 2,490 | $1.9M | — | $560K | $225 | Feb 1997 |
| 202 | 3 | 4 | 2,950 | $2.1M | — | $1.6M | $559 | Jun 2021 |
| 203 | 3 | 4 | 3,480 | $1.4M | ✓ | $1.6M | $474 | Jun 2004 |
| 204 | 3 | 4 | 3,290 | $2.3M | — | $995K | $302 | Sep 2003 |
| 208 | 3 | 4 | 3,290 | $1.4M | ✓ | $2.0M | $608 | May 2018 |
Top Agents in This Building
ONE Sotheby's International Realty
ONE Sotheby's International RealtyONE Sotheby's International Realty
ONE Sotheby's International Realty
EWM Realty International
EWM Realty International
Urdapilleta Real EstateTop Brokerages in This Building
| Brokerage | Agents | Sales | Volume |
|---|---|---|---|
| ONE Sotheby's International Realty | 9 | 19 | $64.0M |
| EWM Realty International | 8 | 11 | $30.6M |
 Fortune International Realty | 5 | 5 | $11.4M |
A Allte Realty | 1 | 4 | $11.4M |
 Coldwell Banker | 5 | 5 | $8.1M |
Be the first to know when a unit in GRAND BAY RESIDENCES COND hits the market — for sale or rent.
Neighborhood
Key Biscayne →
View all buildings in this area
Building Snapshot
| $1,525.42 |
| 3/4 |
| 2,950 |
| May 16, 2025 | $1.9M | $1,093.75 | 2/2 | 1,760 |
| Jul 8, 2024 | $4.5M | $1,229.51 | 3/4 | 3,660 |
| Dec 28, 2023 | $2.7M | $1,050.58 | 2/3 | 2,570 |
| Nov 28, 2023 | $3.1M | $953.85 | 3/3 | 3,250 |
| Sep 6, 2023 | $3.5M | $1,051.2 | 3/4 | 3,320 |
| Aug 14, 2023 | $2.5M | $847.46 | 3/4 | 2,950 |
| May 30, 2023 | $2.9M | $983.05 | 3/4 | 2,950 |
| May 25, 2023 | $5.1M | $1,475.57 | 3/4 | 3,480 |
| Mar 16, 2022 | $1.6M | $923.3 | 2/2 | 1,760 |
| Mar 3, 2022 | $11.4M | $1,479.19 | 4/5 | 7,690 |
| Sep 27, 2021 | $1.9M | $763.05 | 2/3 | 2,490 |
| Sep 17, 2021 | $2.3M | $762.71 | 3/— | 2,950 |
| Aug 20, 2021 | $1.4M | $772.73 | 2/2 | 1,760 |
| Aug 19, 2021 | $2.1M | $703.39 | 3/4 | 2,950 |
| Aug 10, 2021 | $2.3M | $762.71 | 3/4 | 2,950 |
| Jul 30, 2021 | $2.6M | $761.49 | 3/4 | 3,480 |
| Jul 16, 2021 | $3.6M | $942.41 | 3/4 | 3,820 |
| Jul 16, 2021 | $1.4M | $823.86 | 2/2 | 1,760 |
| Jul 12, 2021 | $2.9M | $833.33 | 3/4 | 3,480 |
| Jul 6, 2021 | $1.4M | $795.45 | 2/2 | 1,760 |