$3,200,000
401 Warren Ln
Key Biscayne, FL, 33149
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.
Property Details
Price:
$3,200,000
MLS #:
A11875259
Status:
Pending
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
TROPICAL ISLE HOMES SUB 1
Neighborhood:
tropicalislehomessub1
Listed Date:
Sep 9, 2025
Finished Sq Ft:
2,958
Total Sq Ft:
3,313
Year Built:
1951
Schools
Elementary School:
Keybiscayne
Middle School:
Ponce De Leon
High School:
Coral Gables
Interior
Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Ice Maker, Microwave, Water Purifier, Electric Range, Refrigerator, Self Cleaning Oven, Washer
Bathrooms
3 Full Bathrooms
Cooling
Ceiling Fan(s), Central Air
Flooring
Ceramic Floor, Marble
Heating
Central
Interior Features
First Floor Entry, Closet Cabinetry, Entrance Foyer, French Doors, Den/Library/Office, Family Room, Maid/In-Law Quarters, Storage, Utility Room/Laundry
Laundry Features
Utility Room/Laundry
Exterior
Architectural Style
Detached, One Story
Community Features
Additional Amenities, Paved Road, Public Road, Sidewalks
Construction Materials
Concrete Block Construction, CBS Construction
Covered Spaces
2
Direction Faces
Southwest
Lot Features
Less Than 1/4 Acre Lot
Open Parking YN
1
Parking Features
Detached Carport, Circular Driveway, Covered, Driveway
Patio And Porch Features
Deck, Patio
Roof
Flat Tile
View
Garden
Window Features
Partial Accordian Shutters, Partial Panel Shutters/Awnings, Arched Windows, Blinds
Financial
Tax Year
2025
Taxes
$23,023
Mortgage Calculator
Map
Current real estate data for Single Family in Key Biscayne as of Apr 18, 2026
59
Single Family Listed
192
Avg DOM
2,121
Avg $ / SqFt
$8,848,847
Avg List Price
Community
- Address401 Warren Ln Key Biscayne FL
- SubdivisionTROPICAL ISLE HOMES SUB 1
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Subdivisions in Key Biscayne
- 155 SUNRISE CONDO
- 544-548 FERNWOOD CONDO
- BAHAMA HOUSE CONDO,Bahama House
- BAHAMA HOUSE SOUTH CONDO
- BAHIA MAR CONDO OF KEY BI
- BISCAYNE KEY ESTATES
- BLUE PELICAN CONDO
- CAPE FLA CLUB CONDO CLUST
- CAPE FLA SUB SEC 2
- CAPE FLORIDA CLIB CONDO P
- CAPE FLORIDA CLUB CONDO P
- CAPE FLORIDA CLUB CONDO P,CAPE FLORIDA CLUB
- CAPE FLORIDA CLUB CONDO P,CAPE FLORIDA CLUB CO
- CAPE FLORIDA SUB SEC 1
- CAPE FLORIDA SUB SEC 1,CAPE FLORIDA SUB
- CAPE FLORIDA SUB SEC 3
- CAPE FLORIDA SUB SEC 3,Village Estate
- CASA DEL MAR
- CASA DEL MAR CONDO
- CASA DEL MAR CONDO,CASA DEL MAR
- CAY POLYNESIA CONDO
- CLUB TOWER ONE CONDO
- CLUB TOWER ONE CONDO,Ocean Club
- CLUB TOWER ONE CONDO,THE OCEAN CLUB
- CLUB TOWER THREE CONDO
- CLUB TOWER TWO CONDO
- CLUB TOWER TWO CONDO,Ocean Club
- CLUB TOWER TWO CONDO,THE OCEAN CLUB
- COMMODORE CLUB SOUTH COND
- COMMODORE CLUB SOUTH COND,COMMODORE CLUB SOUTH
- COMMODORE CLUB WEST CONDO
- COMMODORE CLUB WEST CONDO,COMMODORE CLUB
- CRANDON TOWER CONDO
- G B VILLAS
- GALEN 250 CONDO
- GALEN BREAKERS CONDOMINIU
- GALEN BREAKERS CONDOMINIU,GALEN BREAKERS CONDO
- Galen Drive Condo Apt
- GALEN DRIVE CONDO APTS
- GOVERNORS LODGE ASSOC CON
- GRAND BAY RESIDENCES COND
- GRAND BAY RESIDENCES COND,GRAND BAY
- GRAND BAY TOWER CONDO
- GRAND BAY TOWER CONDO,GRAND BAY TOWER COND
- GRAPETREE TOWNHOUSE CONDO
- HOLIDAY COLONY
- HURRICANE COVE
- INDIES CONDO
- ISLAND HOUSE
- ISLAND HOUSE APT INC – CO
- ISLAND HOUSE APT INC – CO,Island House Apt Inc
- KEY BISC AMBASSADOR CONDO
- KEY BISC AMBASSADOR CONDO,KEY BISC AMBASSADOR
- KEY BISC COMMODORE CLUB,COMMODORE CLUB
- Key Biscayne Ambassador,KB Ambassador
- KEY BISCAYNE COMMODORE CL
- KEY BISCAYNE COMMODORE CL,COMMODORE CLUB ONE
- KEY BISCAYNE COMMODORE CL,Commodore East
- KEY BISCAYNE COMMODORE CL,KEY BISCAYNE COMMODO
- KEY BISCAYNE ONE HUNDRED
- KEY BISCAYNE VI CONDO
- KEY BISCAYNE VI CONDO,BRICKELL KEY VI COND
- KEY BISCAYNE VI CONDO,KEY BISCAYNE VICONDO
- KEY BISCAYNES COMMODORE C
- KEY BISCAYNES COMMODORE C,KEY BISCAYNES COMMOD
- KEY CASSA CONDO
- KEY CASSA CONDOMINIUMS
- KEY COLONY 2-OCEAN SOUND,KEY COLONY 2-OCEAN S
- KEY COLONY CONDO #4
- KEY COLONY CONDO #4,KEY COLONY CONDO 4
- Key Colony Condo 02
- KEY COLONY NO 1
- KEY COLONY NO 1,KEY COLONOY 1
- KEY COLONY NO 1,Key Colony
- KEY COLONY NO 2 CONDO
- KEY COLONY NO 2 CONDO,KEY COLONY NO 2 COND
- KEY COLONY NO 4 CONDO
- KEY COLONY NO 4 CONDO,BOTANICA/FERNERY
- KEY COLONY NO 4 CONDO,KEY COLONY
- KEY COLONY NO 4 CONDO,KEY COLONY NO 4 COND
- KEY ISLANDER CONDO
- Key Islander Condominium,Key Islander Condomi
- KEY TOWNHOUSE CONDO
- LAKE TOWER CONDO
- LAKE TOWER CONDO,Lake Tower
- LAKE TOWER CONDO,THE OCEAN CLUB
- LAKE VILLA THREE CONDO
- LAKE VILLA THREE CONDO,LAKE VILLA THREE CON
- LAKE VILLA TWO CONDO
- Le Phare Condo,Le phare
- LE PHARE KEY BISCAYNE CON
- Mar Azul,Mar Azul Condo
- MAR-AZUL CONDO
- MAR-AZUL CONDO,Mar Azul
- MASHTA ISLAND
- MASHTA ISLAND A REPLAT OF
- MATHESON ESTATES
- MATHESON ESTATES,MATHESON STATES
- OCEAN LANE PLAZA CONDO
- OCEAN TOWER ONE CONDO
- OCEAN TOWER TWO CONDO
- OCEAN TOWER TWO CONDO,Ocean Club
- OCEAN TOWER TWO CONDO,OCEAN TOWER TWO COND
- OCEAN TOWER TWO CONDO,THE OCEAN CLUB
- OCEAN VILLAGE CONDO
- OCEAN VILLAGE CONDO,Ocean Village Condo
- OCEANA KEY BISCAYNE CONDO
- OCEANA KEY BISCAYNE CONDO,OCEANA
- OCEANA KEY BISCAYNE CONDO,OCEANA KEY BISCAYNE
- OCEANSOUND
- OCEANSOUND,KEY COLONY NO 2 COND
- RESORT VILLA ONE CONDO
- RESORT VILLA ONE CONDO,RESORT VILLA ONE CON
- RESORT VILLA TWO CONDO
- RESORT VILLA TWO CONDO,RESORT VILLA TWO CON
- RESORT VILLA TWO CONDO,The Ocean Club
- SANDS OF KEY BISCAYNE CON
- SMUGGLERS COVE
- SOLIMAR CONDO OF KEY BISC
- SUNRISE CLUB CONDO
- SUNRISE CLUB CONDO,100 SUNRISE
- SUNRISE MANOR CONDO
- THE EMERALD BAY
- THE EMERALDBAY @ KEY COLO
- THE EMERALDBAY @ KEY COLO,KEY COLONY
- THE EMERALDBAY @ KEY COLO,THE EMERALD BAY
- THE EMERALDBAY @ KEY COLO,THE EMERALDBAY @ KEY
- THE EMERALDBAY @ KEY COLON
- THE EMERALDBAY KEY COLONY
- THE EMERALDBAY KEY COLONY,THE EMERALDBAY
- The Ocean Club
- THE PALMS OF KEY BISCAYNE
- THE PYRAMIDS @ KEY BISCAY
- TIDEMARK KEY COLONY NO 1,Key Colony
- TOWERS OF KEY BISCAYNE CO
- TOWERS OF KEY BISCAYNE CO,The Towers of Key Bi
- TOWERS OF KEY BISCAYNE CO,TOWERS OF KEY BISCAY
- TOWERS OF KEY BISCAYNE CON
- TROPICAL ISLE HOMES SUB
- TROPICAL ISLE HOMES SUB 1
- TROPICAL ISLE HOMES SUB 1,KEY BISCAYNE
- TROPICAL ISLE HOMES SUB 2
- TROPICAL ISLE HOMES SUB 2N
- TROPICAL ISLE HOMES SUB 3
- TROPICAL ISLE HOMES SUB 3,TROPICAL ISLE HOMES
- TROPICAL ISLE HOMES SUB 4
- TROPICAL ISLE HOMES SUB 4,TROPIAL ISLE HOMES
- TROPICAL ISLES HOMES,TROPICAL ISLE HOMES
Similar Listings Nearby
Property Summary
- Located in the TROPICAL ISLE HOMES SUB 1 subdivision, 401 Warren Ln Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $3,200,000 and features 4 beds, 3 baths, and has approximately 2,958 square feet of living space, and was originally constructed in 1951. The current price per square foot is $1,082. The average price per square foot for Single Family listings in Key Biscayne is $2,121. The average listing price for Single Family in Key Biscayne is $8,848,847.
401 Warren Ln
Key Biscayne, FL