Price Reduced26
$9,800,000
6 bd · 7 ba · 5,826 sqft
31 Island Dr, Key Biscayne, FL
Fernando Gimenez · Gimeza A Real Estate Corp.

No listing photos
6
Beds
7
Baths
5,528
Sqft
2011
Year built
Range $8,203,413 – $9,696,587 · as of July 14, 2026
ATTOM automated valuation model · 52 published estimates over 6.5 years · shaded band is the model's own published low-to-high range
Highest reading $8,950,000 in July 2026; lowest $3,214,474 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$1,790,000
Estimated monthly payment
$57,310/mo
Loan amount $7,160,000. Estimate only — your actual rate and payment depend on credit, location, and lender.
2025 roll
MIAMI REALTORS MLSSome properties which appear for sale on this web site may subsequently have sold or may no longer be available.
Price Reduced26
$9,800,000
6 bd · 7 ba · 5,826 sqft
31 Island Dr, Key Biscayne, FL
Fernando Gimenez · Gimeza A Real Estate Corp.
59$8,000,000
6 bd · 6 ba · 1,044 sqft
544 Warren Ln, Key Biscayne, FL
James Duncan · Duncan Studio Real Estate Division PLLC
22$8,500,000
6 bd · 7 ba · 4,190 sqft
238 Buttonwood Dr, Key Biscayne, FL
Fernanda Moreno · Douglas Elliman
50$7,450,000
7 bd · 9 ba · 4,565 sqft
425 Harbor Dr, Key Biscayne, FL
Mark Chatburn · One Sotheby's International Realty
45$7,490,000
5 bd · 7 ba · 3,768 sqft
571 Glenridge Rd, Key Biscayne, FL
Dora Puig · Luxe Living Realty
46$6,950,000
5 bd · 6 ba · 5,421 sqft
685 Harbor Ln, Key Biscayne, FL
Marisela Gonzalez Servat · Avanti Way Realty LLC





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 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
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
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.
Craft Key Biscayne
American restaurant · Crandon Boulevard
Novecento
Argentinian restaurant · Crandon Boulevard
Narbona
Crandon Boulevard
Origin Asian Bistro and Sushi
Starbucks
Crandon Boulevard
Subway
Crandon Boulevard
Domino's
Crandon Boulevard
Pita Pockets KB
Lebanese restaurant · Crandon Boulevard
Winn-Dixie
Crandon Boulevard
Village Green
Key Biscayne Village Green Playgound
Paradise Park
Crandon Boulevard
Hampton Park
Crandon Park Beach
Lake Daniela
Harbor Park
Harbor Drive
Crandon Beach
Crandon Boulevard & Sonesta Drive
Crandon Boulevard & Heather Drive
Crandon Boulevard & Grand Bay Drive
Crandon Boulevard & Harbor Drive
Crandon Boulevard & McIntire Street
Harbor Drive & Fernwood Road
Crandon Boulevard & Ocean Lane Drive
Crandon Boulevard & East Enid Drive