Price Reduced39
$5,378,000
4 bd · 4 ba · 3,549 sqft
690 Warren Ln, Key Biscayne, FL
Brigitte Nachtigall · One Sotheby's International Realty
No listing photos
5
Beds
4
Baths
3,476
Sqft
2007
Year built
Range $5,231,924 – $5,758,075 · as of July 14, 2026
ATTOM automated valuation model · 53 published estimates over 6.5 years
Highest reading $5,495,000 in April 2026; lowest $1,253,917 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$1,099,000
Estimated monthly payment
$35,232/mo
Loan amount $4,396,000. Estimate only — your actual rate and payment depend on credit, location, and lender.
2025 roll
Within 2 miles of this home: 14 restaurants and cafés, 1 grocery store, 11 parks and green spaces, and 15+ transit stops.
Place data from OpenStreetMap.
Narbona
Crandon Boulevard
Novecento
Argentinian restaurant · Crandon Boulevard
Pita Pockets KB
Lebanese restaurant · Crandon Boulevard
Domino's
Crandon Boulevard
Subway
Crandon Boulevard
Craft Key Biscayne
American restaurant · Crandon Boulevard
Origin Asian Bistro and Sushi
Starbucks
Crandon Boulevard
Winn-Dixie
Crandon Boulevard
Hampton Park
Village Green
Key Biscayne Village Green Playgound
Paradise Park
Crandon Boulevard
Crandon Park Beach
Harbor Park
Harbor Drive
Lake Daniela
Crandon Beach
Harbor Drive & Woodcrest Road
Harbor Drive & Fernwood Road
Crandon Boulevard & Sonesta Drive
Crandon Boulevard & Harbor Drive
Harbor Drive & Cypress Drive
Crandon Boulevard & Ocean Lane Drive
Crandon Boulevard & Heather Drive
Crandon Boulevard & Grand Bay Drive
School ratings (A+ to F) from HJN community data.
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
Key Biscayne Presbyterian School
PK-1 · Regular
29 students · 6.6:1 student–teacher
Key Biscayne K-8 Center
PK-5 · Regular · Dade County School District
884 students · 18.0:1 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
Fisher Island Day School
PK-8 · Regular
126 students · 10.2:1 student–teacher
Rings at ½ mile and 1 mile. Basemap © OpenMapTiles © OpenStreetMap contributors.
Open the Key Biscayne camera map4 license-plate readers mapped within ½ mile of this home, all identified as Flock Safety devices. Nearest: 0.3 mi northeast.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| License-plate readers | 4 | 4 |
| of which Flock Safety | 4 | 4 |
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.
BeachesMLSMIAMI REALTORS MLSSome properties which appear for sale on this web site may subsequently have sold or may no longer be available.
Price Reduced39$5,378,000
4 bd · 4 ba · 3,549 sqft
690 Warren Ln, Key Biscayne, FL
Brigitte Nachtigall · One Sotheby's International Realty
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
36$3,950,000
4 bd · 5 ba · 3,250 sqft
445 Grand Bay Dr 104, Key Biscayne, FL
Cristina Diez · Compass Florida, LLC.
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.
35$3,900,000
4 bd · 4 ba · 2,930 sqft
430 Grand Bay Dr 606, Key Biscayne, FL
Saddy Delgado PA · One Sotheby's International Realty
86$5,490,000
4 bd · 6 ba · 3,581 sqft
799 Crandon Blvd 202, Key Biscayne, FL
Victor Florencio Sanchez · Ocean Club Realty, Inc.