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Property Description

High above the turquoise waters of Key Biscayne rises a penthouse that simply cannot be replicated. Once featured in Architectural Digest, this legendary corner residence at Grand Bay is a statement of scale, design, and presence. From sunrise over the Atlantic to glittering sunsets across Biscayne Bay and the Miami skyline, the views are cinematic in every direction, offering endless blue water, golden light, and exceptional privacy. Spanning an extraordinary 8,435 square feet under air and 2,825 square feet of terraces, totaling 11,260 square feet as per the developer’s floor plan, the residence is defined by soaring 12-foot ceilings and grand proportions throughout. A dramatic foyer leads to a spectacular Grand Room designed for both intimate living and large-scale entertaining. The formal dining room is separate and elegant, while the completely remodeled kitchen and family room provide comfort and functionality. The fully renovated private library and custom bar enhance the home’s entertaining appeal. The primary suite is serene and expansive. All the bathrooms have just been completely remodeled, offering a fresh spa-inspired experience finished to today’s highest standards. Four (4) additional en-suite bedrooms ensure comfort and privacy. The terraces offer expansive outdoor living in the sky, perfect for sunrise mornings and sunset evenings overlooking the water and skyline. This is not simply a penthouse. It is a landmark residence, rare and impossible to duplicate.

Features
Ocean View, Bay, Direct Ocean
Restrictions Or Possible Restrictions
Open Balcony
Unfurnished
Ocean Front, Ocean Access
Address Map
FL
Miami-Dade County
Key Biscayne
33149
445 Grand Bay Drive # 1A
GRAND BAY
W81° 50' 27.6''
N25° 41' 33.4''
GRAND BAY RESIDENCES COND,GRAND BAY
MLS Addon
High Rise, Penthouse, Corner Unit
Deeded Beach Access
All Cash, Conventional
$9,923
1
138
Automatic Garage Door Opener
1
14
Condo, Condo 5+ Stories
$54,141
2025
138
14/02/2026 16:32:37

445 Grand Bay Drive # 1A, Key Biscayne, Florida 33149

$18,900,000
5 Bedroom(s)
5 Bathroom(s)
8,435 size sq.ft.
Listing ID #A11954185
Basic Details
Property Type Residential
Listing Type For Sale
Listing ID A11954185
Price $18,900,000
Bedroom(s) 5
Bathroom(s) 5
Square Footage 8,435 Sqft
Year Built 1997
Days on Market 26
Building Area 11,260 Sqft
Status Active
Property SubType Condominium
Half Bathrooms 1
On Market Date 14/02/2026
Elena Beck
MiamiInvestrealty
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