Homes for sale in Key Biscayne
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Single Family Residence
690 Warren Ln
Key Biscayne, FL 33149
$5,478,000
- Beds
- 4
- Baths
- 3 + 1 half
- Sq ft
- 3,549
- Year built
- 2000
- Price per sq ft
- $1,544
Listing courtesy of Brigitte Nachtigall, One Sotheby's International Realty
About this home
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.
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.
Details
Property
- Type
- Single Family Residence
- Style
- Attached, Two Story
- Building
- Pool Only
- Year built
- 2000
- Lot size
- 8,010 sq ft
- Building name
- BISCAYNE KEY ESTATES
- Subdivision
- BISCAYNE KEY ESTATES
- County
- Miami-Dade County
- Faces
- East
- Flood zone
- AE
Interior
- Appliances
- Dishwasher, Disposal, Dryer, Gas Range, Ice Maker, Microwave, Refrigerator, Trash Compactor, Wall Oven, Washer
- Flooring
- Marble, Wood
- Cooling
- Central Air
- Heating
- Central
- Laundry
- Utility Room/Laundry
- Features
- Built-in Features, Closet Cabinetry, Cooking Island, Fire Sprinklers, Volume Ceilings, Walk-In Closet(s), Den/Library/Office, Utility Room/Laundry
Exterior and parking
- Exterior
- Open Balcony
- Patio and porch
- Open Balcony
- Pool
- In Ground
- Parking
- Driveway
- Garage spaces
- 2
- Construction
- CBS Construction
- Roof
- Aluminum, Flat Tile
Community and fees
- Security
- Fire Sprinklers, Smoke Detector
- Annual taxes
- $19,950
- Terms
- All Cash, Conventional
Neighborhood
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The data relating to real estate for sale or lease on this website comes in part from the Internet Data Exchange (IDX) program of MIAMI REALTORS® MLS. Listings are provided by participating brokers.
Information is deemed reliable but is not guaranteed and should be independently verified. It is subject to change and is provided for consumers’ personal, non-commercial use only, to identify properties they may be interested in. Listing last updated September 14, 2026.