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| Sold Price | $6,150,000 |
|---|---|
| Last Asking Price | $6,850,000 |
| Price per SqFt | $1,694 |
| Maintenance Fee | $4,084 Monthly |
| Property Taxes | $58,450 2026 |
| Interior Space | 3,630 SqFt |
| Beds/Baths | 3/3½ |
| Year Built | 1999 |
| Closed Date | 10/30/2026 |
| MLS # | A12034186 |
Location
From the listing
A truly exceptional opportunity at Grand Bay Tower. This extraordinary residence showcases one of the building’s most unique and highly sought-after floor plans (03 line), a rare offering that combines elegance, comfort, and breathtaking views in perfect harmony. Perched on the 11th floor, the residence enjoys spectacular panoramic vistas of the Atlantic Ocean, Biscayne Bay, and the Miami skyline. Two expansive terraces invite you to experience both sunrise and sunset, while enjoying refreshing ocean breezes and seamless indoor-outdoor living. Impeccably maintained and flooded with natural light, this sophisticated home offers 3 spacious en-suite bedrooms, a powder room, and a spectacular den that serves as a private retreat and truly elevates the living experience. Thoughtfully designed throughout, the residence exudes warmth, character, and a sense of comfort rarely found in condominium living.Located just steps from the beach and within walking distance of restaurants, cafés, and shops, this exceptional residence offers the perfect blend of luxury, sophistication, and convenience. More than just an apartment, it is a place with soul…a true home in one of Key Biscayne’s most desirable addresses.
Listed by One Sotheby's International Realty
What It Costs to Own
Monthly, before a mortgage and insurance
Maintenance $4,084 a month; taxes $58,450 for 2026. MLS figures, which may not be accurate.
Sales History for This Unit · Grand Bay Tower Unit 1103
Sales history is unavailable for this property
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 sale among them)
Below, the most recent sales most like this unit: units with the same bedroom count.
| Unit ⇅ | Sold Price ⇅ | % of Ask ⇅ | Closed Date ⇅ |
|---|---|---|---|
| 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 |
| 1107 | $3,450,000$1,215/SqFt | 99% | 10/12/22 |
For a full analysis of past sales in this development, contact Mark Zilbert.

Listed by One Sotheby's International 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 1103, 430 Grand Bay Drive · MLS A12034186 · Sold Oct 2026
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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 1103 sold at $1,694 per SqFt, above the building's average at the time. Figures compiled by Mark Zilbert, a Key Biscayne real estate agent with ONE Sotheby's International Realty, from MLS records.

