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For sale
  • $5,478,000

    690 Warren Ln, Key Biscayne, FL 33149

    4beds
    3,549sqft
    : 
    $37,687/mo
    Get pre-qualified
    Single Family Residence
    Built in 2000
    8,010 Square Feet Lot
    $5,127,900 Zestimate®
    $1,544/sqft
    $-- HOA

    What's special

    Stunning swimming poolPremium finishesAbundance of natural lightGraceful curved terracesRefined craftsmanshipFluid open spacesLush landscaping
    A truly exceptional Miami Modern Tropical residence set on a prime 8,010 SF corner lot, offering 3,549 SF of beautifully curated living space with 4 bedrooms and 3.5 bathrooms. Designed by architect Hervin Romney, a founding member of Arquitectonica, the home reflects a distinctive architectural vision inspired by the organic principles of Frank Lloyd Wright and the expressive forms of Antoni Gaudí, where art, design, and nature seamlessly converge. This residence captivates with its abundance of natural light, soaring high ceilings, fluid open spaces, and harmonious lines that create a sense of warmth, sophistication, and effortless flow throughout the main living areas. The beautifully remodeled kitchen and bar are a true centerpiece, featuring high-end appliances, premium finishes, refined craftsmanship, and a design that balances functionality with striking aesthetics. Step outside into your own private tropical retreat, where lush landscaping, graceful curved terraces, and a stunning swimming pool create an atmosphere of tranquility and escape. This outdoor sanctuary is perfect for both relaxation and entertaining. As an added privilege, the property includes membership to the Key Biscayne Beach Club, offering exclusive access to one of Miami’s most coveted coastal lifestyles. Key Biscayne is renowned for its pristine beaches, charming restaurants, and vibrant yet relaxed atmosphere—delivering a true island lifestyle just minutes from the city.
    103 days
    |
    138
    |
    2
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Brigitte Nachtigall MLS@onesothebysrealty.com,

    One Sotheby's International Realty,

    Mark Chatburn 305-393-6032,

    One Sotheby's International Realty

    Source: MIAMI,MLS#: A12010108MLS LogoOriginating MLS: A-Miami Association of REALTORS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      Rooms
      • Room types: Den/Library/Office
      Heating
      • Central
      Cooling
      • Central Air
      Appliances
      • Included: Trash Compactor, Dishwasher, Disposal, Dryer, Ice Maker, Microwave, Gas Range, Refrigerator, Oven, Washer
      • Laundry: Laundry Room
      Features
      • Built-in Features, Closet Cabinetry, Kitchen Island, Volume Ceilings, Walk-In Closet(s)
      • Flooring: Marble, Other, Wood
      • Doors: High Impact Doors
      • Windows: Complete Impact Glass, Blinds
      Interior area
      • Total structure area: 4,691
      • Total interior livable area: 3,549 sqft

      Property

      Parking
      • Total spaces: 2
      • Parking features: Driveway
      • Garage spaces: 2
      • Has uncovered spaces: Yes
      Features
      • Stories: 2
      • Exterior features: Balcony
      • Has private pool: Yes
      • Pool features: In Ground, Pool Only
      • Fencing: Fenced
      • Has view: Yes
      • View description: Other
      Lot
      • Size: 8,010 Square Feet
      • Features: Less Than 1/4 Acre Lot
      Details
      • Parcel number: 2452050010790
      • Zoning: 0100

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • CBS Construction
      • Roof: Aluminum,Flat Tile
      Condition
      • Year built: 2000

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Municipal Water

      Community & HOA

      Community
      • Features: Beach Club Member Available
      • Security: Fire Sprinkler System, Smoke Detector
      • Subdivision: Biscayne Key Estates
      HOA
      • Has HOA: No
      Location
      • Region: Key Biscayne

      Financial & listing details

      • Price per square foot: $1,544/sqft
      • Tax assessed value: $3,062,152
      • Annual tax amount: $19,950
      • Date on market: 4/30/2026
      • Listing terms: All Cash,Conventional

        Estimated market value

        $5,127,900

        $4.87M - $5.38M

        $22,135/mo

        Price history

        DateEventPrice
        4/30/2026Listed for sale$5,478,000+1535.2%$1,544/sqft
        Source: MIAMI #A12010108 Report a problem
        5/4/1998Sold$335,000$94/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$20,781 +2.4%$1,277,028 +2.9%
        2024$20,295 +1.3%$1,241,038 +3%
        2023$20,030 +4.9%$1,204,892 +3%
        2022$19,099 -0.2%$1,169,799 +3%
        2021$19,130 +7%$1,135,728 +1.4%
        2020$17,875 +2.1%$1,120,048 +2.3%
        2019$17,502 +5.4%$1,094,867 +1.9%
        2018$16,605 $1,074,453 +2.1%
        2017$16,605 +1.3%$1,052,354 +2.1%
        2016$16,391 -1.8%$1,030,710 +0.7%
        2015$16,688 -1.5%$1,023,546 +0.8%
        2014$16,948 +3.2%$1,015,423 +1.5%
        2013$16,419 0%$1,000,417 +1.7%
        2012$16,419 +2.3%$983,695 +3%
        2011$16,048 -5.4%$955,044 +1.5%
        2010$16,971 +8%$940,931 +2.7%
        2009$15,714 +3.8%$916,194 +6.1%
        2007$15,141 -6.7%$863,621
        2006$16,227 --
        2005$16,227 +2.9%--
        2004$15,764 +3.5%--
        2003$15,226 +127.8%--
        2002$6,682 --
        2001$6,682 --
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

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        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.
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        Climate risks

        Neighborhood: 33149

        Getting around

        54 / 100
        Somewhat Walkable
        59 / 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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