Price Reduced61
$3,730,000
5 bd · 4 ba · 2,700 sqft
524 Warren Ln, Key Biscayne, FL
Fabrice Ernandes · Serhant
No listing photos
6
Beds
7.5
Baths
4,547
Sqft
2023
Year built
Range $3,351,092 – $3,809,548 · as of July 14, 2026
ATTOM automated valuation model · 42 published estimates over 6.5 years · shaded band is the model's own published low-to-high range
Highest reading $6,355,592 in April 2025; lowest $719,747 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$716,064
Estimated monthly payment
$22,996/mo
Loan amount $2,864,256. 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
MIAMI REALTORS MLSSome properties which appear for sale on this web site may subsequently have sold or may no longer be available.
Within 2 miles of this home: 15 restaurants and cafés, 1 grocery store, 10 parks and green spaces, and 17+ transit stops.
Place data from OpenStreetMap.
Sushi Siam
El Gran Inka
Peruvian restaurant · Crandon Boulevard
Panna
Crandon Boulevard
Craft Key Biscayne
American restaurant · Crandon Boulevard
Novecento
Argentinian restaurant · Crandon Boulevard
Narbona
Crandon Boulevard
Origin Asian Bistro and Sushi
Pita Pockets KB
Lebanese restaurant · Crandon Boulevard
Winn-Dixie
Crandon Boulevard
Harbor Park
Harbor Drive
Paradise Park
Crandon Boulevard
Hampton Park
Key Biscayne Village Green Playgound
Lake Daniela
Village Green
Mangrove Wetlands
Crandon Park Beach
Harbor Drive & Westwood Drive
Harbor Drive & West Mashta Drive
Harbor Drive & Harbor Lane
Harbor Drive & West McIntyre Street
Crandon Boulevard & Westwood Drive
Crandon Boulevard & West Enid Drive
Crandon Boulevard & North Club Drive
Crandon Boulevard & East Enid Drive