690 Warren Ln, Key Biscayne, FL 33149

• 4 beds |
• 4 baths |
• 3,549 sqft

Property 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.

Listing Status:

Active

Date Added:

April 30, 2026

Data Last Updated:

April 30, 2026 at 11:06PM

Listing Office:

One Sotheby's International Realty : 305-365-2811

Listing Agent:

Brigitte Nachtigall : 305-710-9664

MLS ID:

A12010108

Interior

• General: Built-in FeaturesCloset CabinetryCooking IslandFire SprinklersVolume CeilingsWalk-In Closet(s)Den/Library/OfficeUtility Room/Laundry
• Appliances: Trash CompactorDishwasherDisposalDryerIce MakerMicrowaveGas RangeRefrigeratorWall OvenWasher
• Laundry: Utility Room/Laundry
• Flooring: MarbleOtherWood
• A/C: Central Air
• Heating: Central

Exterior

• General: Open Balcony
• Style: AttachedTwo Story
• Other Structures: Open Balcony
• Pool: In Ground
• Parking: Driveway

Construction

• Roofing: AluminumFlat Tile
• Windows: Complete Impact GlassBlinds
• General: CBS Construction

Location

• Originating MLS: Miami Association of REALTORS®
• County: Miami-Dade County

Lot

• Zoning: 01005 & 6 55 42 BISCAYNE KEY ESTS PB 50-61 LOT 7 BLK 7 LOT SIZE 80.100 X 100 OR 18087-3577 0498 124-52-05-001-0790
• View: OtherView
• Fencing: Fenced

Utilities

• Water: Municipal Water
• Sewer: Public Sewer

Financial

• Source: Miami Association of REALTORS®