For Sale
Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-10-31
Photo 1 of Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-10-31
Photo 2 of Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-10-31
Photo 3 of Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-10-31
Photo 4 of Condo for sale at 445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149 | MLS# A11954185 | Listing updated on 2026-10-31
48+
Beds Icon

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

  • $9,923/mo 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: 1 minute ago
  • Listing updated: October 31, 2026 at 7:47 am
  • Listing Provided by: Brigitte Nachtigall DRE #0542022, Jorge Boj (305) 803-6956 DRE #3016066 | One Sotheby's International Realty (305) 365-2811
  • Source: Beaches MLS-FL | MLS#: A11954185 Beaches MLS-FL

This condo is in:

Property Details

  • Status

    Active

  • Type

    Condominium

  • No. of Stories

    14

  • County

    Miami Dade County

  • City

    Key Biscayne

  • Neighborhood

    --

  • Year Built

    1997

  • HOA Fees

    $9923/mo

  • Finished Area

    8,435 sqft

  • Lot Size

    -- sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Beaches MLS

  • MLS Number

    A11954185

  • MLS Status

    Active

  • Days on Market

    259

  • Cumulative Days on Market

    258

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Location

HOA Management

N/A

HOA Fees

$9,923/ Monthly

Amenities

Amenities and services may be covered by one or multiple associations and service providers.

Cable TV Cable TV

Sewer Sewer

Water Water

Pool Pool

Parking Parking

Security Guard Security Guard

Maintenance Maintenance

Gym Gym

Club House Club House

Management Management

CommonAreas CommonAreas

Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 5

    Bathrooms: 6

Interior

  • Heating

    Electric

  • 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, Soaking Tub, Separate Shower, Walk In Closets

  • Cooling

    Electric

  • Flooring

    Carpet, Marble, Wood

  • Appliances

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

  • Window Features

    Blinds, Drapes, Rods

  • Exterior Features

    Balcony, Outdoor Living Area

Construction

  • Year Built

    Year Built: 1997

  • Home type

    Condominium

  • Construction Materials

    Cbs Concrete Block Structure, Block

  • Property Condition

    Resale

Utilities & Energy

  • Pool Features

    Association

  • Security Features

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

  • Parking Features

    Covered, Garage, Garage Door Opener, Valet

  • Utilities

    Cable Available

  • Association Amenities

    Bike Storage, Clubhouse, Fitness Center, Management, Pool

  • Electric

    Fuses

Other Features

  • Patio And Porch Features

    Open, Balcony

  • Disclosures

    Flood Plain Disclosure

  • Subdivision Name

    Grand Bay Residences Cond

Price History

DateEventPrice

02/14/2026

Source: mls_logoBeaches MLS-FL #A11954185

Off Market

$18,900,000

$2,241/sqft

02/14/2026

Source: mls_logoBeaches MLS-FL #A11954185

Listed for Sale

$18,900,000

$2,241/sqft

Nearby Homes

IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This data is not verified for authenticity or accuracy and may not reflect all real estate activity in the market. Based on information © 2026 BeachesMLS, Inc. All Rights Reserved.

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