Address
690 Warren Ln, Key Biscayne, FL
Price
$ 5,478,000
Property Attributes
- MLS#A12010108
- TypeSingle Family
- Listing Status Active
- CountyMiami-Dade
- CityKey Biscayne
- Area52
- NeighborhoodBISCAYNE KEY ESTATES
- Zip33149
- Style
- Year Built2000
- Taxes$ 19950
- Price$ 5,478,000
- Bedrooms4
- Full Bathrooms3
- Half Bathrooms1
- Sqr Footage3549
Data Source:
Southeast Florida MLS (SEFMLS)
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.
| Elementary School | Middle School | High School |
|---|---|---|
| Keybiscayne Elementary School | Ponce De Leon Middle School | Coral Gables High School |
| Price History | |
|---|---|
| 4/30/2026 | Listed $5,478,000 |
General Features
| Sewer | Public Sewer |
|---|---|
| Heating | Central |
| Cooling | Central Air |
| Possession | Closing & Funding,Close Of Escrow |
| Roof | Aluminum,Flat,Tile |
| Appliances | Built-In Oven,Dryer,Dishwasher,Disposal,Gas Range,Ice Maker,Microwave,Refrigerator,Trash Compactor,Wine Cooler,Washer |
| Garage Spaces | 2 |
| Patio/Porch Features | Balcony,Open |
| Architectural Style | Two Story |
| Pool Features | In Ground,Pool |
| Security Features | Fire Sprinkler System,Smoke Detector(s) |
| Restrictions | Other Restrictions |
| Construction Materials | Block |
| Year Built | 2000 |
| View | Other |
| Stories Count | 2 |
| Levels | Two |
| Property Subtype | Single Family Residence |
| Tax Year | 2025 |
| Community Features | Beach,Club Membership Available |
| County | Miami-Dade |
| Property Type | Residential |
| Subdivision Name | BISCAYNE KEY ESTATES |
| Facing Direction | East |
| Garage Y/N | true |
| Full Baths | 3 |
| Special Listing Conditions | Listed As-Is |
| Status | Active |
| High School | Coral Gables |
| City | Key Biscayne |
| Senior Community Y/N | false |
| Zoning Description | 0100 |
| MLS Area | 52 |
| Lot Size Units | Square Feet |
| Lot Size Square Feet | 8010 |
| Listing Terms | Cash,Conventional |
| Elementary School | Keybiscayne |
| Year Built Details | Effective Year Built |
| Tax Annual Amount | 19950 |
| Middle/Junior High School | Ponce De Leon |
| Lease Considered Y/N | false |
| Virtual Tour | https://www.dropbox.com/scl/fi/p3cvyz0o6wtevkygcee8h/Unbranded-690-Warren-Ln-Key-Biscayne-FL-33149-USA-1.mov?rlkey=g1oe2phez5dkr0201l4h2d5et&e=1&dl=0 |
| Standard Status | Active |
| Occupancy Type | Call Agent |
| Property Sub Type Additional | Single Family Residence |
| PostalCity | Key Biscayne |
| Legal Description | 5 & 6 55 42 BISCAYNE KEY ESTS PB 50-61 LOT 7 BLK 7 LOT SIZE 80.100 X 100 OR 18087-3577 0498 1 |
| AttributionContact | MLS@onesothebysrealty.com |
Interior Features
| Interior Amenities | Bidet,Built-in Features,Closet Cabinetry,Dining Area,Separate/Formal Dining Room,Dual Sinks,High Ceilings,Kitchen Island,Separate Shower,Upper Level Primary,Walk-In Closet(s) |
|---|---|
| Flooring | Hardwood,Marble,Other,Wood |
| Air Conditioning Y/N | true |
| Heating Y/N | true |
| Window Features | Blinds,Impact Glass |
| Half Baths | 1 |
| Total Bedrooms | 4 |
| Total Baths | 4 |
Exterior Features
| Exterior Amenities | Balcony,Fence,Security/High Impact Doors |
|---|---|
| Parking Features | Driveway |
| Lot Features | < 1/4 Acre |
| Water Source | Public |
| Lot Size Area | 8010 |
| Building Area Total | 4691 |
| Private Pool | true |
| Waterfront Y/N | false |
| Covered Spaces | 2 |
Amenities
- Foreclosure
- Views
- Short Sale
- New Construction
- Adult 55+
- Lease To Own
- No HOA Fees
- Furnished
- Primary On Main
- Air Conditioning
- Seller Finance
- Green
- Fixer Upper
- Horse
- Golf
- Fireplace
- Deck
- Garage
- Basement
- Pool
Property vs Single Family Average in 33149
Price
Taxes
Year Built
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Data Last Updated: September 13, 2026 3:14 PM UTC
Palm Beach Board of Realtors MLS® (PBBORMLS) All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers
All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data relating
