For Sale
No HOANo HOA
Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-08-13
Photo 1 of Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-08-13
Photo 2 of Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-08-13
Photo 3 of Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-08-13
Photo 4 of Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-08-13
48+
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Street View

$18,900,000

Monthly Est:$94,072

  • Beds Icon5 Beds
  • Beds Icon
    6 Baths
  • Beds Icon8,435sqft

445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149

$94,072/moEst:

Get Pre-Approved

  • Condominium

  • Built in 1997

  • $-- HOA

  • -- sqft lot

  • $2,241/sq.ft

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.

  • Houzeo last checked: 5 minutes ago
  • Listing updated: August 13, 2026 at 3:44 pm
  • Listing Provided by: Brigitte Nachtigall (305) 710-9664 DRE #0542022, Jorge Boj (305) 803-6956 DRE #3016066 | One Sotheby's International Realty (305) 365-2811
  • Source: Miami MLS-FL | MLS#: A11954185 Miami MLS-FL

Part of

Building
445 Grand Bay Dr
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Property Details

  • Status

    Active

  • Type

    Condominium

  • No. of Stories

    14

  • County

    Miami Dade County

  • City

    Key Biscayne

  • Neighborhood

    --

  • Year Built

    1997

  • HOA Fees

    -

  • Finished Area

    8,435 sqft

  • Lot Size

    -- sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Miami MLS

  • MLS Number

    A11954185

  • MLS Status

    Active

  • Days on Market

    236

  • Cumulative Days on Market

    180

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Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 5

    Bathrooms: 6

Interior

  • Flooring

    Carpet, Hardwood, Marble, Wood

  • Exterior Features

    Balcony, Security High Impact Doors

  • Cooling

    Electric

  • Window Features

    Blinds, Drapes

  • Heating

    Electric

  • Appliances

    Built In Oven, Dryer, Dishwasher, Electric Range, Electric Water Heater, Disposal, Ice Maker, Microwave, Refrigerator, Washer

  • Interior Features

    Wet Bar, Bidet, Built In Features, Breakfast Area, Bathtub, Closet Cabinetry, Dining Area, Separate Formal Dining Room, Dual Sinks, Entrance Foyer, Eat In Kitchen, High Ceilings, Main Level Primary, Pantry, Separate Shower, Walk In Closets

Construction

  • Year Built

    Year Built: 1997

  • Home type

    Condominium

  • Construction Materials

    Block

  • Architectural Style

    High Rise, Penthouse

Utilities & Energy

  • Parking Features

    Covered, Two Or More Spaces, Valet, Garage Door Opener

  • Security Features

    Elevator Secured, Secured Garage Parking, Security Guard, Smoke Detectors

  • Association Amenities

    Bike Storage, Clubhouse, Fitness Center, Pool

  • Pool Features

    Association

  • Electric

    Fuses

  • Utilities

    Cable Available

Other Features

  • Disclosures

    Flood Plain Disclosure

  • Subdivision Name

    Grand Bay Residences Cond

  • Patio And Porch Features

    Balcony, Open

Price History

DateEventPrice

02/14/2026

Source: #A11954185

Off Market

$18,900,000

$2,241/sqft

02/14/2026

Source: mls_logoMiami MLS-FL #A11954185

Listed for Sale

$18,900,000 +66.15%

$2,241/sqft

03/09/2022

Source: mls_logoMiami MLS-FL #A11107677

Price Decreased

$11,375,000 -17.99%

$1,349/sqft

10/05/2021

Source: mls_logoMiami MLS-FL #A11107677

Sold

$13,870,000

$1,644/sqft

Nearby Homes

Based on information from the Southeast Florida Multiple Listing Service (SEFMLS) or from MIAMI Association of REALTORS® through Oct 09, 2026, 11:15AM. The 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. All rights reserved.

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