
$12,990,000
CondominiumActive445 Grand Bay Drive # 2A, Key Biscayne FL 33149
MLS #A12113410About This Property
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.
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
1996
Living Area
7,400 sq ft
Bedrooms
4
Bathrooms
6
Pool
No
Waterfront
Yes
Cooling
Electric
Heating
Electric
Flooring
Ceramic Floor, Marble
Construction
CBS Construction
Style
High Rise
HOA Fee
None
Annual Taxes
$56,046 (2025)
Days on Market
0
MLS #
A12113410
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
Location
City
Key Biscayne
State
FL
ZIP Code
33149
County
Miami-Dade County
Subdivision
GRAND BAY RESIDENCES COND
Listing provided by Brigitte Nachtigall at One Sotheby's International Realty. Data from Miami Association of REALTORS®. All information deemed reliable but not guaranteed. Listing #A12113410.