GRAND BAY RESIDENCES COND,GRAND BAY
445 Grand Bay Dr # 1A, Key Biscayne FL 33149
5 beds · 5.5 baths · 8,435 ft²
$13,870,000
Est. Payment $73,822/mo
5
Bedrooms
5.5
Bathrooms
8,435
Sq. Ft.
1997
Year Built
14
Stories
55
Days on Market
Description
Welcome home to the most desirable penthouse in Key Biscayne as featured in Architectural digest! Located in a world-class condominium, this one-of-a-kind corner PH offers elegance, comfort, and unparalleled luxury. Stunning views of the ocean, bay and Miami skyline make this PH irreplaceable. As per developer’s floor plan this PH offers 8,435 SF under A/C plus 2,825 SF of terraces for a total of 11,260 SF with imposing 12 ft ceilings throughout. Meticulously designed, this oasis has top of the line finishes offering a majestic foyer, breathtaking oversized living room, dining room, fabulous kitchen and family room, exquisite mahogany library, bar, splendid master suite and bathroom with huge closets, plus 4 in suite bedrooms, powder room and the most impressive and striking terraces.
Facts
- MLS#
- A11107677
- Subdivision
- GRAND BAY RESIDENCES COND,GRAND BAY
- Property Type
- Residential
- Property Sub Type
- Condominium
- Year Built
- 1997
- Lot Size
- 0 sqft
- Sq. Ft.
- 8,435 ft²
- Sq. Mt.
- 784 m²
- Price per sq. ft.
- $1,644/ft²
- Price per sq. mt.
- $17,691/m²
- Stories
- 14
- Garage
- —
- Pool
- —
- Days on Market
- 55 days
- Listed
- Oct 9, 2021
- Last Updated
- Mar 9, 2022
- Price/Lot Sq.Ft.
- —
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$13,250,000
5 bd · 5 ba · 3,620 sqft
640 S Mashta Dr, Key Biscayne FL 33149
SOLD$14,900,000
5 bd · 6 ba · 7,004 sqft
260 Harbor Dr, Key Biscayne FL 33149
SOLD$13,500,000
6 bd · 6 ba · 6,985 sqft
890 HARBOR DRIVE, Key Biscayne FL 33149
SOLD$11,995,000
5 bd · 5 ba · 5,532 sqft
290 Harbor Dr, Key Biscayne FL 33149
SOLD$11,500,000
5 bd · 6 ba · 5,074 sqft
110 Reef Ln, Key Biscayne FL 33149
SOLD$14,250,000
6 bd · 7 ba · 6,373 sqft
900 HARBOR DRIVE, Key Biscayne FL 33149
SOLD$14,995,000
6 bd · 6 ba · 4,414 sqft
470 W Matheson Dr, Key Biscayne FL 33149
SOLD$12,000,000
5 bd · 9 ba · 8,240 sqft
100 Cape Florida Dr, Key Biscayne FL 33149
Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
August 2026
49
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 3/9/2022 | Sold | $13,870,000 |
| 10/9/2021 | Listed for sale | $13,870,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Estimated Monthly Payment
$85,530/mo
Principal & Interest
$73,822
Property Tax
$11,558
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
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