BreakThru Realty

690 Warren Lane, Key Biscayne, FL 33149

$5,378,000 · Active

  • 4 beds
  • 3.5 baths
  • 3,549 sq ft
  • 192 days on market
  • Single Family Residence
  • Built 2000
  • Lot 7,840.8 sq ft
  • 4,691 sq ft total
  • 2 garage spaces
  • Miami-Dade County
  • MLS# A12010108
  • Biscayne Key Estates
Photo 1 at 690 Warren Lane, Key BiscaynePhoto 2 at 690 Warren Lane, Key BiscaynePhoto 3 at 690 Warren Lane, Key BiscaynePhoto 4 at 690 Warren Lane, Key BiscaynePhoto 5 at 690 Warren Lane, Key BiscaynePhoto 6 at 690 Warren Lane, Key BiscaynePhoto 7 at 690 Warren Lane, Key BiscaynePhoto 8 at 690 Warren Lane, Key Biscayne

About this home

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.

Video Tour

Watch the video tour of 690 Warren Lane

Features

  • Built-in Features
  • High Ceilings
  • Kitchen Island
  • Walk-In Closet(s)
  • Closet Cabinetry
  • Balcony
  • In Ground

Schools

  • Elementary: Key Biscayne K-8
  • Middle: Ponce De Leon
  • High: Coral Gables

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

One Sotheby's International Realty · MLS@onesothebysrealty.com · Listing agent: Brigitte Nachtigall

BeachesMLS logo All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2026 BeachesMLS, Inc. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by BeachesMLS. Listings held by brokerage firms other than BreakThru Realty carry the name of the listing broker.

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 690 Warren Lane.

Before You Make an Offer

How buying a home in South Florida works

Your Buyer May Already Be Working With BreakThru Realty

Buyers come to BreakThru Realty searching for homes like this one, and many have shared their exact requirements with us: the neighborhood, the price, the bedrooms, the pool, the timing. If you own a home nearby and are weighing a sale, a broker can check it against those requirements before you list, and if no buyer on file fits, show you how we would reach the rest of the market.

BreakThru Realty works with hundreds of prequalified buyers searching for properties. Before you list, a broker reviews what you own, the market around it and whether an existing buyer's requirements match. If none does, you see how we would position it to reach other qualified buyers.

Find Out If We Have Your Buyer · Discuss Selling With BreakThru Realty

A potential match is a conversation, not an offer, until the buyer sees your property and makes one. No buyer is named and nothing about your property or business is shared until you decide to proceed.

Questions About 690 Warren Lane

How much is 690 Warren Lane?
690 Warren Lane is listed at $5,378,000, which is about $1,515 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.
What are the property taxes on 690 Warren Lane?
The listing reports annual property taxes of $19,950 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.
When was 690 Warren Lane built?
690 Warren Lane was built in 2000. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.
How long has 690 Warren Lane been on the market?
690 Warren Lane has been listed for 192 days, and the asking price has been reduced from $5,478,000. Days on market and price changes are the first signals of how much room there is to negotiate.
Which schools serve 690 Warren Lane?
The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.
How do I see 690 Warren Lane?
Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

To request a tour, call (786) 914-1017 or email sales@breakthrurealty.com.

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The 6 bedroom home at 650 Curtiswood Drive, Key Biscayne, FL 33149 is comparable and listed for sale at $5,199,000. Another comparable home, 760 Woodcrest Road, Key Biscayne, FL 33149, sold for $5,790,000 in October 2026. Other Key Biscayne neighborhoods include Commodore Club and Ocean Club. Nearby ZIP codes include 33131 and 33129. This property also neighbors Brickell, Coconut Grove, and Miami. Compare it with the Key Biscayne housing market report.