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Single family home for sale at 690 Warren Ln, Key Biscayne, FL 33149 | MLS# A12010108 | Listing updated on 2026-10-31
Photo 1 of Single family home for sale at 690 Warren Ln, Key Biscayne, FL 33149 | MLS# A12010108 | Listing updated on 2026-10-31
Photo 2 of Single family home for sale at 690 Warren Ln, Key Biscayne, FL 33149 | MLS# A12010108 | Listing updated on 2026-10-31
Photo 3 of Single family home for sale at 690 Warren Ln, Key Biscayne, FL 33149 | MLS# A12010108 | Listing updated on 2026-10-31
Photo 4 of Single family home for sale at 690 Warren Ln, Key Biscayne, FL 33149 | MLS# A12010108 | Listing updated on 2026-10-31
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$5,378,000

Monthly Est:$26,768

  • Beds Icon4 Beds
  • Beds Icon
    4 Baths
  • Beds Icon3,549sqft

690 Warren Ln, Key Biscayne, FL 33149

$26,768/moEst:

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  • Single Family Residence

  • Built in 2000

  • $-- HOA

  • 7,840.8 sqft lot

  • $1,515/sq.ft

Description

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.

  • Houzeo last checked: 11 minutes ago
  • Listing updated: October 31, 2026 at 7:47 am
  • Listing Provided by: Brigitte Nachtigall DRE #0542022, Mark P Chatburn (305) 393-6032 DRE #3488011 | One Sotheby's International Realty (305) 365-2811
  • Source: Beaches MLS-FL | MLS#: A12010108 Beaches MLS-FL

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    2

  • County

    Miami Dade County

  • City

    Key Biscayne

  • Neighborhood

    --

  • Year Built

    2000

  • HOA Fees

    -

  • Finished Area

    3,549 sqft

  • Lot Size

    7,840.8 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Beaches MLS

  • MLS Number

    A12010108

  • MLS Status

    Active

  • Days on Market

    187

  • Cumulative Days on Market

    183

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 4

    Bathrooms: 4

Interior

  • Sewer

    Public Sewer

  • Appliances

    Dryer, Dishwasher, Disposal, Gas Range, Ice Maker, Microwave, Oven, Refrigerator, Trash Compactor, Washer

  • Flooring

    Marble, Other, Wood

  • Exterior Features

    Balcony, Outdoor Living Area

  • Heating

    Central

  • Interior Features

    Bidet, Built In Features, Bathtub, Closet Cabinetry, Dining Area, Separate Formal Dining Room, Dual Sinks, High Ceilings, Kitchen Island, Soaking Tub, Separate Shower, Upper Level Primary, Walk In Closets

  • Window Features

    Blinds

  • Cooling

    Central Air

Construction

  • Year Built

    Year Built: 2000

  • Home type

    Single Family Residence

  • Construction Materials

    Cbs Concrete Block Structure, Block

  • Roof

    Aluminum, Flat, Tile

Utilities & Energy

  • Association Amenities

    Beach Rights

  • Parking Features

    Driveway

  • Security Features

    Fire Sprinkler System, Smoke Detectors

  • Water Source

    Public

  • Pool Features

    In Ground

Other Features

  • Subdivision Name

    Biscayne Key Estates

  • Patio And Porch Features

    Open, Balcony

Price History

DateEventPrice

04/30/2026

Source: #A12010108

Off Market

$5,378,000 -1.83%

$1,515/sqft

04/30/2026

Source: #A12010108

Listed for Sale

$5,478,000

$1,544/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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