401 Warren Ln
401 Warren Ln
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401 Warren Ln 401 Warren Ln Sold
$3,000,000
401 Warren Ln · Key Biscayne · Key Biscayne
401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 1 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 2 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 3 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 4 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 5 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 6 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 7 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 8 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 9 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 10 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 11 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 12 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 13 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 14 of 15401 Warren Ln, 401 Warren Ln, Key Biscayne FL 33149, photo 15 of 15
$3,000,000Sold Price
$1,014Per SqFt
4/3Beds/BathsBd/Ba
2,958SqFt · 274.8 m²
MLS A11875259 · 374 days on Zilbert · Listed Sep 9, 2025 · 401 Warren Ln, Key Biscayne FL 33149Current layoutPhotos first

Property Details

Sold Price$3,000,000
Last Asking Price$3,200,000
Price per SqFt$1,014
Maintenance feeInquire
Property Taxes$23,023 2025
Interior Space2,958 SqFt
Beds/Baths4/3
Year Built1951
Garage0 spaces
Lot Size8,194 SqFt
Closed Date4/20/2026
MLS #A11875259

Estimated Costs

An estimate of condo or HOA fees and property taxes

Monthly figures, as provided
Not providedmaintenance
$1,919taxes · $23,023/yr ÷ 12

Monthly carry is not computed when the association fee or the taxes are not provided.

From the listing

Welcome to your private retreat in prestigious Key Biscayne! This spacious corner residence offers 4 bedrooms and 3 baths including a separate 1/1 in-law quarters ideal for extended family, or a private home office. The main home's functional layout features 3 beds/ 2 baths, generous living areas, and a tranquil ambiance. The kitchen includes stainless steel appliances and a formal dining room. A major upgrade providing peace of mind and long-term value was completed in 2024 with a new roof. Situated on a lush, tree-lined street, the property offers serene outdoor living with room for a pool. Enjoy the exclusive island lifestyle with access to top-rated schools, beaches, parks, marinas, and dining just minutes away. Ideal for buyers ready to make it their own in a prime neighborhood.

Listed by Platinum Properties Int'l Inc.

Sales History for This Home · 401 Warren Ln

Sales history is unavailable for this property

Mark Zilbert
Mark Zilbert
Licensed Real Estate Broker · I track every sale in this neighborhood. Ask me about this home or the neighborhood.
+1 (786) 280-0201

Listed by Platinum Properties Int'l Inc.. Mark Zilbert of ONE Sotheby's International Realty is a cooperating (transaction) broker and helps buyers find properties in Key Biscayne and throughout South Florida.

The curated data and calculated data for this property and its surrounding condo units and homes is based solely on data we have extracted from the MLS. There may be unpublished, private, quit claim and other property offerings and transfers that do not appear here, which may affect how a buyer or seller perceives property values. Always conduct proper due diligence when considering buying or selling property.