New Listing
$12,990,000
 $69,733 est/mo Sourced by Back At You

445 Grand Bay Drive Ph-2a,Key Biscayne, FL 33149

Key Biscayne, FL 33149

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Description

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.

Details

MLS #A12113410
Listing TypeFor Sale
StyleCondominium
Building Name445
HOA Dues$9,343
Sub-TypeResale
StatusActive
Year1996
Days On Site2
Listing Provided ByOne Sotheby's International Realty | Brigitte Nachtigall

Features

Bed(s)4
Bath(s) 6 Total
SQ Feet7,400
PoolYes
Story(s)14
Water FrontYes
Property ViewYes

Parking

Garage Yes / NoNo
Parking FeaturesCovered, Valet

Taxes

Tax Annual Amount56046

Area Information

StateFL
CountyMiami Dade
CityKey Biscayne
Zip Code33149
Area2520
Community NameGRAND BAY RESIDENCES COND
Listing VS Median (in GRAND BAY RESIDENCES COND)
Price:
$12,990,000
low | high
Med:
$3,235,000
100% of Average
sqft:
7,400
low | high
Med:
2,505
100% of Average
$ / sqft:
$1,755
low | high
Med:
$1,324
74.598534644724% of Average
On site:
2
low | high
Med:
80.5
2.484472049689% of Average
Sourced by Back At You

Market Activity 33149

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Learn More About This Property

StateFL
CountyMiami Dade
CityKey Biscayne
Zip Code33149
Area2520
Community NameGRAND BAY RESIDENCES COND
Listing VS Median (in GRAND BAY RESIDENCES COND)
Price:
$12,990,000
low | high
Med:
$3,235,000
100% of Average
sqft:
7,400
low | high
Med:
2,505
100% of Average
$ / sqft:
$1,755
low | high
Med:
$1,324
74.598534644724% of Average
On site:
2
low | high
Med:
80.5
2.484472049689% of Average
Sourced by Back At You
Listing Updated: November 2, 2026 at 1:03:46 PM PST