Property Details
| Asking Price | $3,490,000 |
|---|---|
| Price per SqFt | $1,229 |
| Maintenance Fee | $3,200 Monthly |
| Property Taxes | $24,825 2025 |
| Interior Space | 2,840 SqFt |
| Beds/Baths | 3/3 |
| Year Built | 1999 |
| MLS # | A12057740 |
Location
From the listing
Rare opportunity in one of Key Biscayne's most sought-after buildings. This corner residence offers sweeping views of Biscayne Bay and the Miami skyline, framed by 3 balconies throughout.The kitchen features top-of-the-line appliances, a center island and a sun-filled breakfast nook — a true chef's dream. Marble flooring flows through the expansive, open living and dining areas, ideal for entertaining, while rich dark wood grounds the bedrooms with warmth.3 full bedrooms, 2 full baths, plus a maid's quarters with full bath. Generous walk-in closets throughout. A private entrance sets the tone the moment you arrive — your own island getaway, move-in ready.
Listed by Coldwell Banker Realty
What It Costs to Own
Monthly, before a mortgage and insurance
Maintenance $3,200 a month; taxes $24,825 for 2025. MLS figures, which may not be accurate.
Sales History for This Unit · Grand Bay Tower Unit 708
| Sale ⇅ | Sold Price ⇅ | Closed Date ⇅ |
|---|---|---|
| A2182439 | $2,500,000 | 3/15/16 |
What Other Units Have Been Selling For at Grand Bay Tower
2 units sold at Grand Bay Tower in the last 12 months at an average of $1,503/SqFt · This unit (708) is asking $1,229/SqFt
Below, the most recent sales most like this unit: units with the same bedroom count.
| Unit ⇅ | Sold Price ⇅ | % of Ask ⇅ | Closed Date ⇅ |
|---|---|---|---|
| 1103 | $6,150,000$1,694/SqFt | 90% | 10/30/26 |
| 902 | $5,240,000$1,327/SqFt | 103% | 4/20/26 |
| 906 | $3,700,000$1,263/SqFt | 102% | 3/27/24 |
| 505 | $3,750,000$1,280/SqFt | 91% | 11/1/23 |
| 1108 | $3,150,000$1,109/SqFt | 90% | 7/13/23 |
| 1205 | $3,600,000$1,229/SqFt | 92% | 4/18/23 |
| 903 | $4,379,000$1,206/SqFt | 90% | 3/31/23 |
| 107 | $2,220,000$899/SqFt | 97% | 3/15/23 |
For a full analysis of past sales in this development, contact Mark Zilbert.
Listed by Coldwell Banker Realty. Mark Zilbert of ONE Sotheby's International Realty is a cooperating (transaction) broker and helps buyers find properties in Key Biscayne and throughout South Florida.
Ask Mark About This Listing
Grand Bay Tower Unit 708, 430 Grand Bay Drive · MLS A12057740 · $3,490,000
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The curated data and calculated data for this property and its surrounding condo units and homes is based solely on data we have extracted from the MLS. There may be unpublished, private, quit claim and other property offerings and transfers that do not appear here, which may affect how a buyer or seller perceives property values. Always conduct proper due diligence when considering buying or selling property.
More at Grand Bay Tower
At Grand Bay Tower, 4 of 100 units are for sale and 2 sold in the last 12 months at an average of $1,503 per SqFt. Unit 708 asks $1,229 per SqFt, below the building's recent sold average. Figures compiled by Mark Zilbert, a Key Biscayne real estate agent with ONE Sotheby's International Realty, from MLS records.