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  3. 401 Warren Ln Key Biscayne, FL - 33149-1824
  • MLS® #: A11875259
  • 401 Warren Ln
  • Key Biscayne, FL 33149-1824
  • $3,200,000
  • 4 Beds, 3 Bath, 2,958 SqFt
  • Residential

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.

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Essential Information

  • MLS® #A11875259
  • Price$3,200,000
  • CAD Dollar$4,379,360
  • UK Pound£2,350,262
  • Euro€2,707,840
  • Bedrooms4
  • Bathrooms3.00
  • Full Baths3
  • Square Footage2,958
  • Year Built1951
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StyleDetached, One Story
  • StatusActive Under Contract

Community Information

  • Address401 Warren Ln
  • Area42
  • SubdivisionTROPICAL ISLE HOMES SUB 1
  • CityKey Biscayne
  • CountyMiami-Dade
  • StateFL
  • Zip Code33149-1824

Amenities

  • UtilitiesCable Available
  • FeaturesSidewalks, Other
  • Parking Spaces2
  • ViewGarden
  • Pets AllowedNoPetRestrictions,Yes

Parking

Driveway, Circular Driveway, Covered, Detached Carport

Interior

  • InteriorCeramic Tile, Marble
  • HeatingCentral
  • CoolingCentral Air, Ceiling Fan(s)
  • # of Stories1

Appliances

Dryer, Dishwasher, Electric Range, Electric Water Heater, Disposal, Ice Maker, Microwave, Refrigerator, Self Cleaning Oven, Washer, Water Purifier

Exterior

  • WindowsBlinds, Arched
  • RoofFlat, Tile
  • ConstructionBlock

Exterior Features

Patio, Storm/Security Shutters, Deck

School Information

  • ElementaryKeybiscayne
  • MiddlePonce De Leon
  • HighCoral Gables
  • Office: Platinum Properties Int'l Inc.

Property Location

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401 Warren Ln on www.jupiteroceanfronthomes.us

Offered at the current list price of $3,200,000, this home for sale at 401 Warren Ln features 4 bedrooms and 3 bathrooms. This real estate listing is located in TROPICAL ISLE HOMES SUB 1 of Key Biscayne, FL 33149-1824 and is approximately 2,958 square feet. 401 Warren Ln is listed under the MLS ID of A11875259 and has been on the Key Biscayne real estate market for 131 days.

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The data relating to real estate on this web site comes in part from the Internet Data Exchange program of the MLS of the REALTOR® Association of Greater Miami and the Beaches, and is updated as of February 8th, 2026 at 6:31am CST (date/time).

All information is deemed reliable but not guaranteed by the MLS and should be independently verified. All properties are subject to prior sale, change, or withdrawal. Neither listing broker(s) nor Waterfront Properties and Club Communities shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally harmless from any damages arising from reliance upon these data. © 2026 MLS of RAMB.

The information being provided is 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