Home in 524 Warren Ln Key Biscayne for sale with MLS# A11999112
Located in one of the most exclusive residential pockets of Key Biscayne, surrounded by multi-million-dollar estates, this beautifully designed 5-bedroom, 4 full bathroom home offers the perfect balance of privacy, functionality, and tropical lifestyle. The layout is thoughtfully distributed with a private primary suite on one side, a separate nanny/guest suite with its own bathroom, and a dedicated wing for the children's bedrooms-ideal for both family living and entertaining. Just steps from top-rated schools and only 10 minutes from the beach, the property features a stunning outdoor space with a resort-style pool and a charming tiki bar, creating the ultimate South Florida oasis. A rare opportunity to own in a highly sought-after neighborhood where surrounding homes reach $10M+.
524 Warren Ln, Key Biscayne, FL 33149
Price
- Price:
- $3,850,000.00
- Original List Price:
- $3,850,000.00
Property Status and Type
- Listing Type:
- For Sale
- Status:
- Active
- Special Sale Conditions:
- Listed As Is
- Listing Category:
- Residential
- Property Type:
- Single Family House
- MLS Number:
- A11999112
- Description of Last Important Update:
- New Listing
- Last Major Update on:
- April 11, 2026 7:04 pm
Rooms Distribution
- Bedrooms:
- 5
- Bathrooms Total:
- 4
- Full Bath:
- 4
- Room Type:
- Family Room, Guest Quarters, In Law Suite
Measures
- Living Area:
- 2,700 Sqft
- Built-Up Area:
- 2,740 Sqft
- Lot Area:
- 8,136 Sqft
- Lot Size Unit:
- Square Feet
- Lot Features:
- Less Than One Acre
Property Features
- View from the Property:
- Garden
- Waterfront:
- No
- Swimming Pool Features:
- Concrete, Gunite, Pool, In Ground
- Guest House:
- 1 Bath,1 Bedroom
- Appliances:
- Dryer, Dishwasher, Microwave, Washer, Electric Range, Electric Water Heater, Ice Maker, Some Gas Appliances, Built In Oven
- Interior:
- Dining Area, Bedroom On Main Level, Central Vacuum, Separate Formal Dining Room, Bidet, Dual Sinks
- Exterior:
- Fence, Barbecue, Patio, Lighting, Storm Security Shutters
- Patio and Porch:
- Patio
- Laundry:
- In Garage
- Air Conditioning
- Air Conditioning System:
- Central Air, Ceiling Fan(s)
- Heating
- Heating System:
- Central
- Property Entrance Faces:
- Southwest
- Water Access Description:
- Deeded Beach Access
Construction
- Year Built:
- 1950
- Year Built Details:
- Resale
- Roof:
- Barrel
- Architectural Style:
- Other
- Construction Materials:
- Block, Precast Concrete
- Flooring:
- Concrete
- Foundation Details:
- Slab
Taxes and Expenses
- Tax Annual Amount:
- $22,265.00
- Tax Year:
- 2025
- Property Tax Status:
- Tax Reflects Homestead Exemption
Parking
- Garage
- Garage Spaces:
- 1
- Covered Spaces:
- 1
- Parking Features:
- Circular Driveway, Golf Cart Garage
Utilities
- Sewer:
- Public Sewer
- Water Source:
- Public, Other
Community
- Pets Allowed?:
- Yes, Conditional
- Subdivision Name:
- TROPICAL ISLE HOMES SUB 1
- Community Features:
- Park, Laundry Facilities
- Senior Community:
- No
- Restrictions:
- Okay to Lease
Terms
- Listing Terms Considered by Seller:
- Cash, Conventional
- Occupant Type:
- Owner
- Buyer Possession:
- Close Of Escrow
Zoning and Legal
- Tax Legal Description:
- TROPICAL ISLE HOMES SUB 1ST ADDN PB 50-72 LOT 28 BLK 3 LOT SIZE 81.360 X 100 OR 9816-2200
- Real Estate Folio Number (Parcel Number):
- 24-42-32-004-0220
- Zoning Description:
- 0100
Public Schools Assigned
- Elementary School:
- Winding Waters K8
- High School:
- Coral Gables
- Middle Or Junior School:
- Ponce De Leon
Listing History
- Originally published on:
- April 11, 2026 7:04 pm
- Active on the market since:
- April 10, 2026
- Price change occurred on:
- April 10, 2026 9:58 pm
- Listing Status Last Changed On:
- April 11, 2026 7:04 pm
- Photos updated on:
- April 12, 2026 7:23 pm
- Last Modified:
- April 12, 2026 7:23 pm
Additional Information
- Housing Older Persons Act:
- No HOPA
- Flood Zone:
- AE
- Type of Association:
- None
- Rooms Description:
- Family Room, Separate Guest/In-Law Quarters, Utility/Laundry In Garage
- Style:
- Pool Only
- Municipal Code:
- 24
- Subdivision Number:
- 4
- Courtesy of:
- Serhant
- Attribution:
- Not provided
Location
- Street Name:
- Warren Ln
- Street Number:
- 524
- City:
- Key Biscayne
- State:
- Florida
- Zip Code:
- 33149
- County:
- Miami-Dade
- Latitude:
- N25° 41' 30''
- Longitude:
- W81° 49' 50.9''
Property Map
Neighborhood Stats
Source: U.S. Census Bureau, ACS 5-Year Estimates
Median Household Income
$171,982
Median Home Value
$1,231,500
Median Rent
$3,501/mo
Median Age
43
Population
14,628
Air Quality
Source: AirNow.gov · Miami
🌬️ Air Quality Index (AQI)
50
Good
☀️ O3
50
Good
🫁 PM2.5
50
Good
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