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
5
Beds
5
Baths
4,764
Sqft
2019
Year built
Range $7,590,890 – $8,804,948 · as of July 14, 2026
ATTOM automated valuation model · 54 published estimates over 6.5 years · shaded band is the model's own published low-to-high range
Highest reading $8,421,166 in May 2026; lowest $1,381,000 in February 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$1,639,584
Estimated monthly payment
$52,504/mo
Loan amount $6,558,335. 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
Craft Key Biscayne
American restaurant · Crandon Boulevard
Pita Pockets KB
Lebanese restaurant · Crandon Boulevard
Domino's
Crandon Boulevard
Subway
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
Harbor Park
Harbor Drive
Crandon Park Beach
Lake Daniela
Crandon Beach
Harbor Drive & Woodcrest Road
Harbor Drive & Cypress Drive
Harbor Drive & Fernwood Road
Crandon Boulevard & Sonesta Drive
Crandon Boulevard & Harbor Drive
Crandon Boulevard & Heather Drive
Crandon Boulevard & Ocean Lane Drive
Harbor Drive & Harbor Court
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
39$5,785,000
5 bd · 6 ba · 3,495 sqft
335 W Enid Dr, Key Biscayne, FL
Victoria De Giraldo · BHHS EWM Realty
45$7,490,000
5 bd · 7 ba · 3,768 sqft
571 Glenridge Rd, Key Biscayne, FL
Dora Puig · Luxe Living Realty
41$5,990,000
5 bd · 5 ba · 4,759 sqft
501 Bay Lane, Key Biscayne, FL
Brigitte Nachtigall · One Sotheby's International Realty
School ratings (A+ to F) from HJN community data.
Key Biscayne Presbyterian School
PK-1 · Regular
29 students · 6.6:1 student–teacher
St Agnes Academy
PK-8 · Regular
434 students · 13.4:1 student–teacher
St Christophers
PK-6 · Montessori
215 students · 24.4:1 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
Tiniciti Preschool
PK-KG · Early Childhood Program/Child Care Center
4 students · 0.3:1 student–teacher