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For sale
    • $26,000,000

    430 Grand Bay Dr #Penthouse 1an, Key Biscayne, FL 33149

    4beds
    9,600sqft
    : 
    $179,707/mo
    Get pre-qualified
    Condominium
    Built in 1999
    -- sqft lot
    $-- Zestimate®
    $2,708/sqft
    $-- HOA

    What's special

    Dominating the Key Biscayne skyline, this Geoffrey Bradfield–designed penthouse is a rare display of power, prestige, and absolute luxury. Encompassing 13,630 sq. ft. with 10,421 sq. ft. under air and 3,000+ sq. ft. of oceanfront terraces, it commands 100 feet of unobstructed beachfront with sweeping sunrise and sunset views. Directly adjacent, the $100M+ newly reimagined Ritz-Carlton and its brand-new Beach Club sit at your footsteps, elevating exclusivity to a world-class level. Inside, soaring ceilings showcase a showpiece chef’s kitchen, grand dining, four-private en-suites, a refined executive office, staff quarters, and couture-caliber closets. Includes five premium parking spaces and five oversized private storage cages. A true trophy residence at the apex of coastal luxury.
    252 days
    |
    419
    |
    13
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Julian Johnston 305-877-9332,

    The Corcoran Group,

    Brigitte Nachtigall 305-710-9664,

    One Sotheby's International Realty

    Source: MIAMI,MLS#: A11915787MLS LogoOriginating MLS: A-Miami Association of REALTORS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 6
      • Full bathrooms: 4
      • 1/2 bathrooms: 2
      Rooms
      • Room types: Den/Library/Office, Family Room, Great Room
      Heating
      • Electric
      Cooling
      • Electric
      Appliances
      • Included: Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Electric Range, Refrigerator, Oven, Washer
      • Laundry: Laundry Room
      Features
      • Built-in Features, Closet Cabinetry, Entrance Foyer, Volume Ceilings, Walk-In Closet(s), Maid/In-Law Quarters, Storage
      • Flooring: Ceramic Tile
      • Windows: Blinds
      • Common walls with other units/homes: Corner Unit
      Interior area
      • Total structure area: 9,600
      • Total interior livable area: 9,600 sqft
      Video & virtual tour

      Property

      Parking
      • Parking features: 2 Or More Spaces, Guest, Valet, No Rv/Boats
      Features
      • Entry location: Foyer
      • Exterior features: Balcony
      • Pool features: Association
      • Has view: Yes
      • View description: Bay, Ocean
      • Has water view: Yes
      • Water view: Bay,Ocean
      • Waterfront features: Ocean Access, Ocean Front
      Details
      • Parcel number: 2452050600960

      Construction

      Type & style
      • Home type: Condo
      • Property subtype: Condominium
      Materials
      • CBS Construction
      Condition
      • Year built: 1999

      Community & HOA

      Community
      • Security: Fire Sprinkler System, Fire Alarm, Smoke Detector, Complex Fenced, Elevator Secure, Secured Garage/Parking
      • Application fee: $150
      • Pet fee: $0
      • Subdivision: Grand Bay Tower Condo
      HOA
      • Has HOA: Yes
      • Amenities included: Bike Storage, Community Room, Fitness Center, Pool
      Location
      • Region: Key Biscayne

      Financial & listing details

      • Price per square foot: $2,708/sqft
      • Tax assessed value: $11,601,200
      • Annual tax amount: $153,827
      • Date on market: 11/18/2025
      • Listing terms: All Cash,Conventional

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        1/15/2026Price change$26,000,000-23.3%$2,708/sqft
        Source: MIAMI #A11915787 Report a problem
        11/24/2025Listed for sale$33,900,000$3,531/sqft
        Source: MIAMI #A11915787 Report a problem
        7/1/2025Listing removed$33,900,000$3,531/sqft
        Source: MIAMI #A11715395 Report a problem
        1/3/2025Listed for sale$33,900,000$3,531/sqft
        Source: MIAMI #A11715395 Report a problem
        12/2/2024Listing removed$33,900,000$3,531/sqft
        Source: MIAMI #A11700496 Report a problem
        11/29/2024Listed for sale$33,900,000+578%$3,531/sqft
        Source: MIAMI #A11700496 Report a problem
        9/19/2006Sold$5,000,000+115.1%$521/sqft
        Source: Public Record Report a problem
        1/7/2000Sold$2,325,000$242/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$157,206 +2.2%$10,141,018 +2.9%
        2024$153,827 +1.4%$9,855,217 +3%
        2023$151,729 +3.1%$9,568,172 +3%
        2022$147,193 -0.5%$9,289,488 +3%
        2021$147,967 -3.1%$9,018,921 -2.9%
        2020$152,701 +0.6%$9,288,021 +0.9%
        2019$151,769 +5.3%$9,208,779 +1.9%
        2018$144,100 $9,037,075 -10.3%
        2017$144,100 -11.1%$10,070,148 +2.1%
        2016$162,042 -1.7%$9,863,025 +0.7%
        2015$164,872 -1.5%$9,794,464 +0.8%
        2014$167,372 +182.3%$9,716,731 +176%
        2013$59,292 +0%$3,520,169 +1.7%
        2012$59,292 +2.3%$3,461,327 +3%
        2011$57,953 -5.6%$3,360,512 +1.5%
        2010$61,393 -0.2%$3,310,850 -5%
        2009$61,546 -15.1%$3,485,100 -16%
        2007$72,513 +29.7%$4,148,930
        2006$55,924 --
        2005$55,924 +17.8%--
        2004$47,460 -0.9%--
        2003$47,883 +17.9%--
        2002$40,601 --
        2001$40,601 --
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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        Climate risks

        Neighborhood: 33149

        Getting around

        52 / 100
        Somewhat Walkable
        52 / 100
        Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Keybiscayne
        • Middle: Ponce De Leon
        • High: Coral Gables

        Source: MIAMI. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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