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For sale
    • $6,900,000

    430 Grand Bay Dr APT 801, Key Biscayne, FL 33149

    2beds
    3,950sqft
    : 
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    Condominium
    Built in 1999
    -- sqft lot
    $-- Zestimate®
    $1,747/sqft
    $4,398/mo HOA

    What's special

    Secluded sitting roomGrand two-bedroom three-and-a-half-bath layoutUnusually private settingCozy family roomPrivileged eighth-floor settingBespoke closetsUnobstructed ocean views
    Commanding breathtaking Atlantic vistas from its privileged eighth-floor setting at Grand Bay Tower, this residence is a rare offering on Key Biscayne. Enjoying an unusually private setting with unobstructed ocean views and minimal visibility from neighboring residences, the home offers a level of seclusion seldom found in oceanfront condominium living. Originally a three-bedroom, five-and-a-half-bath home, it has been masterfully reimagined into a grand two-bedroom, three-and-a-half-bath layout, enhancing scale and flow for refined entertaining and effortless daily living. Spanning approximately 3,950 square feet, the living and dining areas, a cozy family room, and a bright kitchen with breakfast area are complemented by three terraces totaling approximately 595 square feet, seamlessly integrated to capture sweeping Atlantic views from every room. Custom woodwork by renowned designer Juan Montoya enriches the interiors, while the serene primary suite offers a secluded sitting room, bespoke closets, and a spa-inspired bath, creating a private sanctuary within this singular home. The sale includes a private guest quarters—an increasingly rare and coveted amenity at Grand Bay—as well as two storage units. Combining exceptional scale, refined finishes, remarkable privacy, unobstructed Atlantic views, and desirable ancillary spaces, this residence represents a unique opportunity within one of Key Biscayne’s most prestigious oceanfront buildings.
    121 days
    |
    96
    |
    3
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Adriana Vollmer adriana.vollmer@floridamoves.com,

    Coldwell Banker Realty

    Source: MIAMI,MLS#: A11973615MLS LogoOriginating MLS: A-Miami Association of REALTORS

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 2
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      Rooms
      • Room types: Family Room, Media Room
      Heating
      • Electric
      Cooling
      • Central Air
      Appliances
      • Included: Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Electric Range, Refrigerator
      • Laundry: Sink, Laundry Room
      Features
      • Lobby, Closet Cabinetry, Kitchen Island, Entrance Foyer, Chandelier To Be Replaced, Walk-In Closet(s), Storage
      • Windows: Electric Shutters, Hurricane Shutters
      • Common walls with other units/homes: Corner Unit
      Interior area
      • Total structure area: 3,950
      • Total interior livable area: 3,950 sqft
      Video & virtual tour

      Property

      Parking
      • Total spaces: 2
      • Parking features: 2 Or More Spaces, Valet
      • Garage spaces: 2
      Features
      • Entry location: Foyer
      • Exterior features: Balcony
      • Pool features: Association
      • Has view: Yes
      • View description: Ocean
      • Has water view: Yes
      • Water view: Ocean
      • Waterfront features: Ocean Access, Ocean Front
      Details
      • Parcel number: 2452050600080

      Construction

      Type & style
      • Home type: Condo
      • Property subtype: Condominium
      • Attached to another structure: Yes
      Materials
      • CBS Construction
      Condition
      • Completely Renovated
      • Year built: 1999

      Utilities & green energy

      • Electric: Circuit Breakers

      Community & HOA

      Community
      • Security: Fire Sprinkler System, Doorman, Card Entry, Lobby Secured
      • Application fee: $100
      • Pet fee: $100
      • Subdivision: Grand Bay Tower Condo
      HOA
      • Has HOA: Yes
      • Amenities included: Bike Storage, Fitness Center, Pool
      • HOA fee: $4,398 monthly
      Location
      • Region: Key Biscayne

      Financial & listing details

      • Price per square foot: $1,747/sqft
      • Tax assessed value: $4,279,718
      • Annual tax amount: $131,192
      • Date on market: 3/18/2026
      • Listing terms: All Cash,Conventional

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        3/31/2026Listed for sale$6,900,000+258.4%$1,747/sqft
        Source: MIAMI #A11973615 Report a problem
        3/16/2000Sold$1,925,000+23.4%$487/sqft
        Source: Public Record Report a problem
        1/3/2000Sold$1,560,000$395/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$65,449 +4.7%$4,148,526 +10%
        2024$62,485 +3.6%$3,771,388 +10%
        2023$60,334 +17.8%$3,428,535 +10%
        2022$51,227 +9.4%$3,116,850 +10%
        2021$46,830 +0.1%$2,833,500
        2020$46,782 -8.6%$2,833,500 -8.3%
        2019$51,160 -1.8%$3,091,000 -5%
        2018$52,111 $3,253,786 -10%
        2017$52,111 -10.8%$3,615,318 -16%
        2016$58,403 -17.8%$4,303,950 +4.3%
        2015$71,085 +5.1%$4,126,069 +10%
        2014$67,643 +17.8%$3,750,972 +9.8%
        2013$57,412 +0%$3,415,830 +6.7%
        2012$57,412 +4.3%$3,202,761 +10%
        2011$55,059 +10.9%$2,911,601 +10%
        2010$49,667 -0.2%$2,646,910 -5%
        2009$49,758 -14.2%$2,786,220 -16%
        2007$57,972 +29.7%$3,316,920
        2006$44,709 --
        2005$44,709 +17.8%--
        2004$37,943 +9%--
        2003$34,801 +29.7%--
        2002$26,826 --
        2001$26,826 --
        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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