
$5,478,000
Single Family ResidenceActive690 Warren Ln, Key Biscayne FL 33149
MLS #A12010108About This Property
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.
Schedule a Tour
Pick a date and time that works for you
Select a date
About Key Biscayne
Key Biscayne is a barrier island community just a bridge ride from Brickell, offering an island lifestyle wrapped around Crandon Park, Cape Florida State Park, and the Crandon Golf Course. The village is known for its safety, top-rated schools, and walkable pace, with residents ranging from young families to international buyers seeking secondary residences. Limited inventory and tight geography keep prices premium relative to mainland Miami.
Property Details
Property Type
Single Family Residence
Year Built
2000
Living Area
3,549 sq ft
Lot Size
8,010 sq ft
Bedrooms
4
Bathrooms
4
Garage
2 Spaces
Pool
No
Waterfront
No
Cooling
Central Air
Heating
Central
Roof Type
Aluminum, Flat Tile
Flooring
Marble, Other, Wood
Construction
CBS Construction
Style
Attached, Two Story
HOA Fee
None
Annual Taxes
$19,950 (2025)
Days on Market
1
MLS #
A12010108
Features & Amenities
Interior
Appliances
Exterior
Community
Other
Nearby Schools
Assigned public schools pulled from Miami-Dade County Public Schools’s official attendance-boundary data. Verify current boundaries with MDCPS before buying — zones can change year to year.
School data source: Miami-Dade County Open Data Hub
Similar Homes in Key Biscayne
Location
City
Key Biscayne
State
FL
ZIP Code
33149
County
Miami-Dade County
Listing provided by Brigitte Nachtigall at One Sotheby's International Realty. Data from Miami Association of REALTORS®. All information deemed reliable but not guaranteed. Listing #A12010108.