524 Warren Ln, Key Biscayne FL 33149, photo 1
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$3,850,000

Single Family ResidenceActive
⏱️ Listed 11 days ago
5Beds
4Baths
2,700Sq Ft
1950Built

524 Warren Ln, Key Biscayne FL 33149

MLS #A11999112

About This Property

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+.

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Marie I. Sanjurjo
Licensed Broker
Blue Mar Real Estate Group
📞 (305) 680-5672✉️ marie@bluemargroup.com

About Key Biscayne

Key Biscayne is a barrier island community just a bridge ride from Brickell, offering an island lifestyle wrapped around Crandon Park, Cape Florida State Park, and the Crandon Golf Course. The village is known for its safety, top-rated schools, and walkable pace, with residents ranging from young families to international buyers seeking secondary residences. Limited inventory and tight geography keep prices premium relative to mainland Miami.

Explore Key Biscayne📊 Key Biscayne market report

Property Details

Property Type

Single Family Residence

Year Built

1950

Living Area

2,700 sq ft

Lot Size

8,136 sq ft

Bedrooms

5

Bathrooms

4

Garage

1 Space

Pool

No

Waterfront

No

Cooling

Ceiling Fan(s), Central Air

Heating

Central

Roof Type

Barrel Roof

Flooring

Concrete

Construction

Concrete Block Construction, Pre-Cast Concrete Construction, Slab Construction

Style

Attached, Other

HOA Fee

None

Annual Taxes

$22,265 (2025)

Days on Market

2

MLS #

A11999112

Features & Amenities

Interior

Dome KitchenFamily RoomSeparate Guest/In-Law QuartersUtility/Laundry In Garage

Appliances

DishwasherDryerElectric Water HeaterIce MakerMicrowaveElectric RangeWall OvenWasher

Exterior

BarbequeLighting

Community

Laundry FacilitiesPicnic Area

Other

Circular DrivewayGolf Cart Parking

Nearby Schools

Assigned public schools pulled from Miami-Dade County Public Schools’s official attendance-boundary data. Verify current boundaries with MDCPS before buying — zones can change year to year.

Assigned Public Schools
Elementary
Key Biscayne K-8 Center
Grades PK-8
150 W McIntire St., Key Biscayne 33149
Middle
Ponce de Leon MS
Grades 6-8
5801 Augusto St., Coral Gables 33146
High
Coral Gables Senior High
Grades 9-12
450 Bird Rd., Coral Gables 33146
Private Schools Within 5 Miles
Key Biscayne Presbyterian School0.6 mi
160 Harbor Dr, Key Biscayne
St Christophers - By-The-Sea Montessori School0.6 mi
95 Harbor Dr, Key Biscayne
St Agnes Academy0.6 mi
122 Harbor Dr, Key Biscayne
Immaculata-La Salle High School4.3 mi
3601 S Miami Ave, Miami
La Prima Casa Montessori - Brickell Campus4.8 mi
1770 Brickell Ave, Miami
Ransom Everglades Middle School4.8 mi
2045 S Bayshore Dr, Miami
Gordon Schools of Beth David Congregation5.0 mi
2625 SW 3rd Ave, Miami
Kingsbury Academy5.0 mi
1395 Brickell Ave, Miami

School data source: Miami-Dade County Open Data Hub

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Location

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City

Key Biscayne

State

FL

ZIP Code

33149

County

Miami-Dade County

$3,850,000
524 Warren Ln, Key Biscayne FL 33149
5Beds
4Baths
2,700Sq Ft
📞 (305) 680-5672

Listing provided by Fabrice Ernandes at Serhant. Data from Miami Association of REALTORS®. All information deemed reliable but not guaranteed. Listing #A11999112.