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430 Grand Bay Dr # 801, Key Biscayne FL 33149, photo 1 of 28

$6,900,000

430 Grand Bay Dr # 801, Key Biscayne FL 33149

2 beds · 3.5 baths · 3,950 sq ft · Condominium · Active

MLS# A11973615 · Listing courtesy of Coldwell Banker Realty

Facts

Bedrooms
2
Bathrooms
3 full, 1 half
Living area
3,950 sq ft
Price per sq ft
$1,747
Type
Condominium
Year built
1999
Floor
8 of 13
Exposure
East
View
Ocean View, Direct Ocean
Waterfront
Ocean Access, Ocean Front
Parking
2 garage spaces
Association fee
$4,398 monthly
Taxes
$131,192 (2025)
Listed
Mar 18, 2026

About this residence

Commanding breathtaking Atlantic vistas from its privileged eighth-floor setting at Grand Bay Tower, this residence is a rare offering on Key Biscayne. Enjoying an unusually private setting with unobstructed ocean views and minimal visibility from neighboring residences, the home offers a level of seclusion seldom found in oceanfront condominium living. Originally a three-bedroom, five-and-a-half-bath home, it has been masterfully reimagined into a grand two-bedroom, three-and-a-half-bath layout, enhancing scale and flow for refined entertaining and effortless daily living. Spanning approximately 3,950 square feet, the living and dining areas, a cozy family room, and a bright kitchen with breakfast area are complemented by three terraces totaling approximately 595 square feet, seamlessly integrated to capture sweeping Atlantic views from every room. Custom woodwork by renowned designer Juan Montoya enriches the interiors, while the serene primary suite offers a secluded sitting room, bespoke closets, and a spa-inspired bath, creating a private sanctuary within this singular home. The sale includes a private guest quarters—an increasingly rare and coveted amenity at Grand Bay—as well as two storage units. Combining exceptional scale, refined finishes, remarkable privacy, unobstructed Atlantic views, and desirable ancillary spaces, this residence represents a unique opportunity within one of Key Biscayne’s most prestigious oceanfront buildings.

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Location

430 Grand Bay Dr # 801, Key Biscayne FL 33149Open in Google Maps

Placed from the listing’s coordinates in the MLS. The street map loads from OpenStreetMap when opened. Coastline © OpenStreetMap contributors.

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The data relating to real estate for sale on this web site comes in part from the participating Associations/MLSs and Miami Association of Realtors. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

Listing data last updated 10/19/2026, 11:00:53 PM ET.

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