
$6,900,000
CondominiumActive430 Grand Bay Dr # 801, Key Biscayne FL 33149
MLS #A11973615About This Property
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.
Schedule a Tour
Pick a date and time that works for you
Select a date
Blue Mar Real Estate Group
About Key Biscayne
Key Biscayne is a barrier island community just a bridge ride from Brickell, offering an island lifestyle wrapped around Crandon Park, Cape Florida State Park, and the Crandon Golf Course. The village is known for its safety, top-rated schools, and walkable pace, with residents ranging from young families to international buyers seeking secondary residences. Limited inventory and tight geography keep prices premium relative to mainland Miami.
Property Details
Property Type
Condominium
Year Built
1999
Living Area
3,950 sq ft
Bedrooms
2
Bathrooms
4
Garage
2 Spaces
Pool
No
Waterfront
Yes
Cooling
Central Air
Heating
Electric
Construction
CBS Construction
Style
Corner Unit, High Rise
HOA Fee
$4,398 / Monthly
Annual Taxes
$131,192 (2025)
Days on Market
77
MLS #
A11973615
Features & Amenities
Interior
Appliances
Exterior
Other
Nearby Schools
Assigned public schools pulled from Miami-Dade County Public Schools’s official attendance-boundary data. Verify current boundaries with MDCPS before buying — zones can change year to year.
School data source: Miami-Dade County Open Data Hub
Similar Homes in Key Biscayne
Location
City
Key Biscayne
State
FL
ZIP Code
33149
County
Miami-Dade County
Listing provided by Adriana Vollmer at Coldwell Banker Realty. Data from Miami Association of REALTORS®. All information deemed reliable but not guaranteed. Listing #A11973615.