Price reducedMLS® A11999112

$3,690,000

↓ Price reduced $40,000 on Nov 1, 2026

524 Warren Lane, Key Biscayne, FL 33149

Beds: 5
Baths: 4
Sqft: 2,700

Est. payment$22,847/mo

Home type: Single Family Residence
Year built: 1950
Lot size: 8,276 sqft
Price / sqft: $1,367
HOA: $0/mo
Community: TROPICAL ISLE HOMES SUB 1

Property description

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+.

Listing activity

Days on market: 205
Listed: Apr 10, 2026
MLS listing updated: Nov 1, 2026
Feed last checked: 3 minutes ago

Listed by Fabrice Jean Ernandes · Serhant

Map

Map location is based on MLS-supplied coordinates. Verify the location before relying on it.

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 5
Bathrooms: 4
Bathrooms (decimal): 4
Full bathrooms: 4
Half bathrooms: 0

Rooms & features

Rooms: 2
Interior features: Central Vacuum, Dome Kitchen
Flooring: Concrete
Appliances: Gas Water Heater, Electric Water Heater, Dishwasher, Dryer, Electric Range, Gas Range, Ice Maker, Microwave, Oven, Washer
Laundry: In Garage

Heating & cooling

Heating: Central
Cooling: Ceiling Fan(s), Central Air

Property

Parking

Garage spaces: 1
Garage: Yes
Covered spaces: 1
Parking features: Circular Driveway, Golf Cart Garage
Attached garage: No

Exterior

Building area: 2,740 sqft
Patio & porch: Patio
Exterior features: Barbecue, Lighting
Fencing: Fenced
Pool: Yes
Pool features: Concrete, Gunite, In Ground
View: Garden
Waterfront: Deeded Beach Access
Waterfront property: No

Lot

Lot size: 8,276 sqft
Lot size (acres): 0.19 acres
Zoning: 0100

Construction

Type & style

Home type: Single Family Residence
Architectural style: Other
Year built: 1950
New construction: No

Materials

Construction: Block, Pre-Cast Concrete Construction
Roof: Barrel
Foundation: Slab
Property condition: Resale
Faces: Southwest

Utilities & green energy

Utilities

Electric: Circuit Breakers
Sewer: Public Sewer
Water: Public, Other

Community & HOA

Community

Subdivision: TROPICAL ISLE HOMES SUB 1
MLS area: 2520
Pets allowed: Pet Restrictions Possible, Yes
55+ community: No

Association

Has association: No
Estimated monthly dues: $0
Amenities: Laundry, Picnic Area

Lease details

Not reported by the listing source.

Location

Area details

City: Key Biscayne
County: Miami-Dade
ZIP code: 33149

Manufactured home details

Not reported by the listing source.

Financial & listing details

Listing

MLS number: A11999112
Possession: Close Of Escrow
Original list price: $3,850,000
Parcel number: 2442320040220
Annual property tax: $22,265
Tax year: 2025
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

Additional MLS details

Reported by the listing source

Association Amenities: Laundry, Picnic Area
Association: No
Bathrooms Total Decimal: 4
Bathrooms Total Integer: 4
Building Area Total: 2740
Construction Materials: Block, Pre-Cast Concrete Construction
County Or Parish: Miami-Dade
Days On Market: 205
Direction Faces: Southwest
Elementary School: Key Biscayne K-8
Foundation Details: Slab
High School: Coral Gables
Laundry Features: In Garage
List Price: 3690000
Listing Contract Date: 2026-04-10
Living Area: 2700
Lot Size Acres: 0.19
Lot Size Area: 8136
MLSArea Major: 2520
Middle Or Junior School: Ponce De Leon
Mls Status: Active
On Market Date: 2026-08-17
Patio And Porch Features: Patio
Photos Count: 61
Postal Code: 33149
Price Change Timestamp: 2026-11-01T18:24:44Z
Property Sub Type: Single Family Residence
Property Type: Residential
Rooms Total: 2
Senior Community: No
Standard Status: Active
State Or Province: FL
Status Change Timestamp: 2026-08-17T14:19:37Z
Subdivision Name: TROPICAL ISLE HOMES SUB 1
Water Source: Public, Other
Waterfront Features: Deeded Beach Access
Tax Annual Amount: 22265
Bathrooms Full: 4
Pool Private: Yes
Bedrooms Total: 5
Bathrooms Half: 0

Market value

Automated estimate—No licensed valuation source connected

Estimated sales range—Ask Karim for a local market analysis

Estimated rent—No licensed rental valuation source connected

Price history

Date	Event	Price
Apr 10, 2026	ListedMIAMI REALTORS® MLS	$3,850,000$1,426/sqft
Nov 1, 2026	Price reducedMIAMI REALTORS® MLS	$3,690,000$1,367/sqft

Public tax history

Year	Property taxes	Assessment
2025	$22,265	—

Payment calculator

Estimated monthly payment$22,847/moIllustrative estimate, not a loan offer.

Loan typeDown payment (%)Interest rate assumption (%)Loan termInsurance / month

Principal & interest: $19,147
Property taxes: $1,855
Insurance: $1,845
Association dues: $0

Live national rate context is displayed below through Mortgage News Daily’s official widget. The calculator rate remains a separate assumption until licensed machine-readable access is connected. This is not a loan offer.

Neighborhood

Area

TROPICAL ISLE HOMES SUB 1

Key Biscayne · Miami-Dade County · 33149

Climate risk

—

No licensed climate-risk source is connected.

Nearby schools

Key Biscayne K-8Elementary

—

Ponce De LeonMiddle

—

Coral GablesHigh

—

School names and districts are MLS-reported when available. Verify attendance boundaries with the school district. Ratings require a licensed ratings provider.

Nearby homes

12 homes