Price Reduced61$3,730,000
5 bd · 4 ba · 2,700 sqft
524 Warren Ln, Key Biscayne, FL
Fabrice Ernandes · Serhant · on 2 MLSs
No listing photos
6
Beds
6.5
Baths
3,793
Sqft
2009
Year built
Range $4,364,563 – $4,982,152 · as of August 30, 2026
ATTOM automated valuation model · 54 published estimates over 6.7 years · shaded band is the model's own published low-to-high range
Highest reading $5,637,384 in July 2026; lowest $1,896,209 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$934,671
Estimated monthly payment
$29,880/mo
Loan amount $3,738,686. Estimate only — your actual rate and payment depend on credit, location, and lender.
2025 roll
School ratings (A+ to F) from HJN community data.
Key Biscayne K-8 Center
PK-5 · Regular · Dade County School District
884 students · 18.0:1 student–teacher
Key Biscayne Presbyterian School
PK-1 · Regular
29 students · 6.6:1 student–teacher
St Christophers
PK-6 · Montessori
215 students · 24.4:1 student–teacher
St Agnes Academy
PK-8 · Regular
434 students · 13.4:1 student–teacher
Mast Academy
6-12 · Regular · Dade County School District
1,571 students · 20.4:1 student–teacher
Immaculata-la Salle High School
9-12 · Regular
876 students · 12.1:1 student–teacher
La Prima Casa Montessori
PK-KG · Montessori
2 students · 1.0:1 student–teacher
Ransom Everglades School
6-12 · Regular
1,121 students · 9.4:1 student–teacher
Rings at ½ mile and 1 mile. Basemap © OpenMapTiles © OpenStreetMap contributors.
Open the Key Biscayne camera map5 license-plate readers mapped within 1 mile of this home, all identified as Flock Safety devices. None within ½ mile. Nearest: 0.6 mi northeast.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| License-plate readers | 0 | 5 |
| of which Flock Safety | 0 | 5 |
Community-reported via OpenStreetMap; may be incomplete. Data as of . © OpenStreetMap contributors (ODbL)
License-plate readers (ALPR) are fixed cameras that photograph passing vehicles and read their plates. Records are typically shared with the agency or association that operates the camera.
Flock Safety is a company whose plate-reader cameras are used by police departments, cities, HOAs and businesses. Its devices are usually solar-powered and pole-mounted.
BeachesMLSSome properties which appear for sale on this web site may subsequently have sold or may no longer be available.
Price Reduced61$3,730,000
5 bd · 4 ba · 2,700 sqft
524 Warren Ln, Key Biscayne, FL
Fabrice Ernandes · Serhant · on 2 MLSs
Price Reduced64$4,899,000
5 bd · 6 ba · 4,220 sqft
24 Grand Bay Estates Circle, Key Biscayne, FL
Anthony D Vlahovic · Engel & Voelkers Vero Beach · on 2 MLSs
41$5,600,000
5 bd · 5 ba · 3,197 sqft
755 Curtiswood Dr, Key Biscayne, FL
Pablo Rodriguez · Scale Commercial Realty · on 2 MLSs
41$5,990,000
5 bd · 5 ba · 4,759 sqft
501 Bay Lane, Key Biscayne, FL
Brigitte Nachtigall · One Sotheby's International Realty · on 2 MLSs
Price Reduced37$5,100,000
5 bd · 5 ba · 3,535 sqft
797 Glenridge Rd, Key Biscayne, FL
Camila Freytes De Marotta · Swann Realty Partners, LLC. · on 2 MLSs
41$5,199,000
6 bd · 5 ba · 3,356 sqft
650 Curtiswood Dr, Key Biscayne, FL
Claudine Coto · One Sotheby's International Realty · on 2 MLSs
Within 2 miles of this home: 15 restaurants and cafés, 1 grocery store, 11 parks and green spaces, and 15+ transit stops.
Place data from OpenStreetMap.
Panna
Crandon Boulevard
El Gran Inka
Peruvian restaurant · Crandon Boulevard
Sushi Siam
Craft Key Biscayne
American restaurant · Crandon Boulevard
Novecento
Argentinian restaurant · Crandon Boulevard
Narbona
Crandon Boulevard
Pita Pockets KB
Lebanese restaurant · Crandon Boulevard
Origin Asian Bistro and Sushi
Winn-Dixie
Crandon Boulevard
Hampton Park
Key Biscayne Village Green Playgound
Paradise Park
Crandon Boulevard
Village Green
Harbor Park
Harbor Drive
Lake Daniela
Crandon Park Beach
Mangrove Wetlands
Crandon Boulevard & McIntire Street
Crandon Boulevard & Grand Bay Drive
Crandon Boulevard & Heather Drive
Harbor Drive & West Heather Drive
Crandon Boulevard & West Enid Drive
Crandon Boulevard & East Enid Drive
Harbor Drive & West McIntyre Street
Harbor Drive & Harbor Court