$5,378,000
690 Warren Lane
Key Biscayne, FL 33149
Explore the area: Key Biscayne homes for sale · Miami Dade County real estate
Price Check
How this price compares
- List price
- $5,378,000
- Price per sq ft
- $1,515
- Vs. nearby sales
- 8.4% above
- Days on market
- 159
This 4-bedroom single-family home in Biscayne Key Estates is listed at $5,378,000, or $1,515 per square foot. The asking price has come down 1.8% from its original $5,478,000. It has been on the market for 159 days. The 6 most recent single-family home sales in the closings shown below sold at a median of $1,397 per square foot, so the asking price is 8.4% above what comparable homes here actually sold for.
Estimated monthly payment
$28,264 /mo
Principal and interest only, based on $1,075,600 down (20%), a 6.875% 30-year fixed rate. Property taxes, homeowners insurance are not included.
Customize this estimateListing Snapshot
- Price
- $5,378,000
- Days on Site
- 159 Days
- Bedrooms
- 4
- Total Baths
- 4
- Full Baths
- 3
- Partial Baths
- 1
- Living Area
- 3,549 sqft
- Total Sq Ft
- 4,691 sqft
- Lot Size
- 0.18 Acres
- Year Built
- 2000
- Property Type
- Single Family
- MLS #
- A12010108
- Property Tax
- $19,950 (2025)
- Subdivision
- BISCAYNE KEY ESTATES
- County
- Miami Dade
- Status
- Active
- Special Conditions
- Listed As Is
About 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.
Virtual TourGeneral Features
- Property Type
- Single Family
- Status
- Active
- Year Built
- 2000
- Number of Stories
- 2
- Levels
- Two
- Garage Spaces
- 2
- Parking
- Driveway
- Direction Faces
- East
- Lot Size (Acres)
- 0.18
- Living Sq Ft
- 3,549
- Total Sq Ft
- 4,691
- Sewer
- Public Sewer
- Water Source
- Public
- Zoning
- 0100
Interior Features
- Appliances
- Dryer / Dishwasher / Disposal / Gas Range / Ice Maker / Microwave / Oven / Refrigerator / Trash Compactor / Washer
- Cooling
- Central Air
- Heating
- Central
- Flooring
- Marble / Other / Wood
- Interior Features
- Bidet / Built In Features / Bathtub / Closet Cabinetry / Dining Area / Separate Formal Dining Room / Dual Sinks / High Ceilings / Kitchen Island / Soaking Tub / Separate Shower / Upper Level Primary / Walk In Closets
- Windows
- Blinds
Exterior Features
- Construction
- CBS Concrete Block Structure / Block
- Roof
- Aluminum / Flat / Tile
- Exterior Features
- Balcony / Outdoor Living Area
- Private Pool
- Yes
- Pool Features
- In Ground
- Patio & Porch
- Open / Balcony
- View
- Other
Community & HOA
- Association Amenities
- Beach Rights
- Security
- Fire Sprinkler System / Smoke Detectors
- Financing Terms
- Cash / Conventional
- Restrictions
- Other Restrictions
- MLS Area
- 2520
Schools
- Elementary School
- Key Biscayne K-8
- Middle School
- Ponce De Leon
- High School
- Coral Gables
About the Community
Biscayne Key Estates is a luxury community in Key Biscayne, Miami-Dade County, Florida. Properties are priced from $2,900,000 to $11,300,000. Pure Equity lists homes in Biscayne Key Estates and represents buyers. Commission is negotiable, and what we are paid is agreed with you in writing before you commit to anything.
- Homes for Sale
- 8
- Median List Price
- $5,489,000
- Median $/Sq Ft
- $1,532
- Avg Days on Market
- 138
Frequently Asked Questions
- How do I schedule a tour of 690 Warren Lane, Key Biscayne, FL 33149?
- Use the Tour button on this listing to request a showing of 690 Warren Lane, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.
- Is 690 Warren Lane, Key Biscayne, FL 33149 still available?
- 690 Warren Lane, Key Biscayne, FL 33149 is currently listed as Active, and has been on the market 159 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
- How much is the monthly payment for 690 Warren Lane, Key Biscayne, FL 33149?
- With 20% down ($1,075,600) on the $5,378,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 690 Warren Lane, Key Biscayne, FL 33149 is about $28,264/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.
- How do I get pre-approved to buy 690 Warren Lane, Key Biscayne, FL 33149?
- Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 690 Warren Lane, Key Biscayne, FL 33149. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.
- What schools serve 690 Warren Lane, Key Biscayne, FL 33149?
- 690 Warren Lane, Key Biscayne, FL 33149 is zoned for Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.
- Can I negotiate the price of 690 Warren Lane, Key Biscayne, FL 33149?
- Often, yes. The right offer on 690 Warren Lane, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.
Listing courtesy of One Sotheby's International Realty
Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated June 23, 2026.
$5,378,000
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Listed by Brigitte Nachtigall, One Sotheby's International Realty
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Recent Sales
Recently sold homes in Biscayne Key Estates
These are the last 6 recorded closings in Biscayne Key Estates, with the price each home actually sold for rather than what it was listed at. They closed at a median of $1,425 per square foot. The most recent closed on September 28, 2026. Closed sales are what an appraiser and a buyer's agent will look at, so they are the starting point for pricing a home here.
Sold$2,800,000
Sold · September 28, 2026
738 Fernwood Road
3 bed · 2 bath · 1,312 sqft · $2,134/sqft
$75,000 under the asking price
Sold$4,920,624
Sold · September 24, 2026
164 W Mashta Drive
5 bed · 5 bath · 3,595 sqft · $1,369/sqft
$279,376 under the asking price
Sold$3,010,000
Sold · July 15, 2026
204 Westwood Drive
3 bed · 2 bath · 2,113 sqft · $1,425/sqft
$155,000 under the asking price
Sold$5,690,000
Sold · June 15, 2026
762 Fernwood Road
6 bed · 5 bath · 3,584 sqft · $1,588/sqft
$209,999 under the asking price
Sold$4,950,000
Sold · April 20, 2026
635 Curtiswood Drive
6 bed · 6 bath · 3,888 sqft · $1,273/sqft
Sold$2,850,000
Sold · April 13, 2026
760 Allendale Road
3 bed · 2 bath · 2,388 sqft · $1,193/sqft
$100,000 under the asking price
See every recorded sale in Biscayne Key Estates or find out what your Biscayne Key Estates home is worth.
