House in Key Biscayne, FL 33149Biscayne Key Estates, 690 Warren Ln
4
Beds31/2
Baths3,549
SqFt$1,515
$/SqFtUltra Luxury HouseProperty Type
2000Year Built
$1,515/SqFtPrice per sq ft
2 carsParking Spaces
Two StoryStyle
BalconyExterior Features
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 GaudĂ, 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 Courtesy Of: One Sotheby's International Realty
Local Realty Services Provided By: Best of Luxury Realty
On Site: 179 DaysUpdated: 7 Days agoPage Views: 0
Features
MLS Number: A12010108
Bedrooms
- Bedrooms: 4
Bathrooms
- Bathrooms: 3
- Half Bathrooms: 1
Exterior and Lot Features
- Exterior Features: Balcony, Fence, SecurityHighImpactDoors
- View: Other
Interior, Heating and Cooling
- Interior Features: Bidet, BuiltInFeatures, ClosetCabinetry, DiningArea, SeparateFormalDiningRoom, DualSinks, HighCeilings, KitchenIsland, SeparateShower, UpperLevelPrimary, WalkInClosets
- Equipment / Appliances: BuiltInOven, Dryer, Dishwasher, Disposal, GasRange, IceMaker, Microwave, Refrigerator, TrashCompactor, WineCooler, Washer
- Heating Description: Central
- Cooling Description: CentralAir
Building and Construction
- Floor Description: Hardwood, Marble, Other, PorcelainTile, Wood
- Windows/Treatment: Blinds,ImpactGlass
- Year Built: 2000
- Year Built Description: Effective Year Built
- Style: TwoStory
Waterfront and Water Access
- Waterfront Frontage: No info
School Information
- Elementary School: Keybiscayne
- Middle School: Ponce De Leon
- Senior High School: Coral Gables
Other Property Info
- Garage: 2
- Listing Date: 2026-04-30T15:47:22.000-00:00
- Directions: East
Taxes, Fees & More
- Taxes: 19950
- Security Information: FireSprinklerSystem, SmokeDetectors
- Parking Description: Driveway
Apples-to-Apples Comparables
Price History
Current
$5.4M
High
$5.5M
Low
$5.4M
Total Change
-1.8%Date
Event
Price
Change
Price Per
10/06/2026
Price Reduced
$5.4M
-1.83%$1,515 ft2
$16,311 m2
04/29/2026
Listed
$5.5M
 $1,544 ft2
$16,615 m2
10/06/2026
$5.4M
Event
Price Reduced
Change
-1.83%Price Per
$1,515 ft2
$16,311 m2
04/29/2026
$5.5M
Event
Listed
Price Per
$1,544 ft2
$16,615 m2
Price per square foot and days on website are not provided values and are calculated by Subdivisions.
Listed by Brigitte Nachtigall • One Sotheby's International Realty • Buyer Agency Compensation .
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Community Snapshot
4 – 6 BR
Bedrooms
$3.8M – $9.2M
Price Tier
1,215 - 9,848
SqFt Range
1964
Year Build
2
Total Floors
351
Total Units
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Entry-Level
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Premium
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Mid-Tier
Mid-Tier9
High-End
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- Key Islander Condo0
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