Property Details
| Asking Price | $12,990,000 |
|---|---|
| Price per SqFt | $1,755 |
| Maintenance Fee | $9,343 Monthly |
| Property Taxes | $56,046 2025 |
| Interior Space | 7,400 SqFt |
| Beds/Baths | 4/5½ |
| Year Built | 1996 |
| MLS # | A12113410 |
Location
From the listing
Experience oceanfront living at its finest in this extraordinary floor-through penthouse at Grand Bay Residences, one of Key Biscayne’s most prestigious luxury addresses. Encompassing an impressive 7,400 square feet under A/C, this exceptional residence offers breathtaking panoramic views of the Atlantic Ocean, Biscayne Bay, and the Miami skyline. Two magnificent, oversized terraces facing east and west create an unparalleled indoor-outdoor living experience, where spectacular sunrises over the ocean and unforgettable sunsets over the bay become part of everyday life. Beautifully upgraded and designed for both grand entertaining and comfortable living, the residence features expansive living areas, an elegant formal dining room, gourmet kitchen, and private home theater. The magnificent primary suite is a true private sanctuary, featuring a generous walk-in closet and two separate, beautifully appointed bathrooms, offering the ultimate in comfort, privacy, and luxury. Three additional spacious bedrooms, each with its own en-suite bathroom, provide exceptional comfort and privacy. Residents enjoy an extraordinary resort-style lifestyle with direct beach and ocean access, concierge and valet services, a state-of-the-art fitness center, a spectacular swimming pool, and the impeccable service of Grand Bay’s dedicated professional staff. A rare opportunity to own a truly remarkable penthouse where space, sophistication and breathtaking views capture the best of this island.
Listed by One Sotheby's International Realty
What It Costs to Own
Monthly, before a mortgage and insurance
Maintenance $9,343 a month; taxes $56,046 for 2025. MLS figures, which may not be accurate.
Sales History for This Unit · Grand Bay Residences PH 2A
Sales history is unavailable for this property
What Other Units Have Been Selling For at Grand Bay Residences
2 units sold at Grand Bay Residences in the last 12 months at an average of $969/SqFt · This unit (PH-2A) is asking $1,755/SqFt
Below, the most recent sales most like this unit: units with the same bedroom count.
| Unit ⇅ | Sold Price ⇅ | % of Ask ⇅ | Closed Date ⇅ |
|---|---|---|---|
| 303 | $3,500,000$1,006/SqFt | 91% | 2/6/26 |
| 104 | $3,100,000$954/SqFt | 91% | 12/5/23 |
| 1103 | $2,900,000$833/SqFt | 94% | 7/13/21 |
| — | $3,299,000 | 97% | 4/22/21 |
| 104 | $2,300,000$708/SqFt | 87% | 2/22/21 |
| 706 | $3,425,000$897/SqFt | 93% | 7/6/18 |
| 1103 | $3,500,000$1,006/SqFt | 83% | 11/11/15 |
| PH-2C | $4,200,000$1,099/SqFt | 100% | 2/21/13 |
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 Residences PH 2A, 445 Grand Bay Drive · MLS A12113410 · $12,990,000
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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 Residences
At Grand Bay Residences, 4 of 137 units are for sale and 2 sold in the last 12 months at an average of $969 per SqFt. PH 2A asks $1,755 per SqFt, above 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.