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GRAND BAY TOWER CONDO · · MLS A12034186
Listed by One Sotheby's International Realty
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.
The propertyAs the MLS records it
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430 Grand Bay Drive #1103, Key Biscayne, FL 33149 is no longer on the market. Write here, call or send a WhatsApp: Julian Acosta, real estate advisor with Compass, answers within one business day.
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| Year | Median price per SF | Closed sales |
|---|---|---|
| 2020 | $888 | 36 |
| 2021 | $953 | 82 |
| 2022 | $1,179 | 66 |
| 2023 | $1,150 | 57 |
| 2024 | $1,248 |
Homes of the same kind on the market nearby, the nearest in price first.
AS OF OCT 30, 2026 · MLS
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1 / 28The information on this page is supplied by the Southeast Florida Multiple Listing Service of the MIAMI Association of REALTORS®. It is deemed reliable but is not guaranteed accurate by the MLS, and it may have changed since the date above. It is provided for your personal, non-commercial use and may not be used for any purpose other than to identify properties you may be interested in purchasing. This listing is held by One Sotheby's International Realty. Julian Acosta is a real estate advisor with Compass.
A listing shown here may be held by a brokerage other than Compass. To report an error in this listing's information, write to julian.acosta@compass.com.





































37 PHOTOGRAPHS
Julian Acosta
Real estate advisor · Compass
SOLD · APR 20, 2026
SOLD · FEB 6, 2026
SOLD · APR 30, 2026
SOLD · JUL 17, 2026
SOLD · MAR 31, 2026
SOLD · JUN 5, 2026| 38 |
| 2025 | $1,196 | 39 |
|---|
| 2026 to date | $1,196 | 43 |
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These figures are the market's closed sales as the MLS records them: this building's for a unit, a gated community's for a home inside one, and otherwise the sales of this kind of property in the home's market — for a home at $2,000,000 or more, only that market's sales from that price up. Which of these it is, is said above the figures. No snapshot is drawn from fewer than 5 sales of the last twelve months, and a median price per SF is stated only from 3 sales that state a living area. They are not sales by Julian Acosta, they are not an appraisal, and they say nothing of this home's price.
These are the public schools whose attendance zone holds this listing's location, as Miami-Dade County publishes the zones. A zone is not a guarantee of enrollment, the district can change it, and a listing's point on the map can sit a few meters from its lot: confirm the school with Miami-Dade County Public Schools before you rely on it. Distances are straight lines. The page states no rating of any school.
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