CAPE FLORIDA SUB SEC 3
31 Island Dr, Key Biscayne FL 33149
6 beds · 6.5 baths · 5,826 ft²
6
Bedrooms
6.5
Bathrooms
5,826
Sq. Ft.
2004
Year Built
2
Garage
472
Days on Market
Description
Exceptional Estate in Key Biscayne. Discover an extraordinary opportunity to own a stunning modern residence on over 19,000 sq ft lot—an exceptional find in the heart of Key Biscayne. This expansive property offers a generous backyard, perfect for outdoor living, entertaining, or creating a private oasis where kids can play freely. The home features 6 bedrooms, 6.5 bathrooms, a dedicated office, and high ceilings that enhance the bright, open ambiance. Designed with a sleek, modern aesthetic, the interior boasts luxurious finishes and thoughtful amenities, including a wine cellar, pool, and a 2-car garage. Located on a quiet street, this residence blends privacy with convenience. Experience the best of island living with unparalleled space and style.
Facts
- MLS#
- A11782945
- Subdivision
- CAPE FLORIDA SUB SEC 3
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 2004
- Lot Size
- 19,236 ft²
- Sq. Ft.
- 5,826 ft²
- Sq. Mt.
- 541 m²
- Price per sq. ft.
- $1,682/ft²
- Price per sq. mt.
- $18,115/m²
- Stories
- —
- Garage
- 2 spaces
- Pool
- —
- Days on Market
- 472 days
- Listed
- Apr 12, 2025
- Last Updated
- Jul 28, 2026
- Price/Lot Sq.Ft.
- $509/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$8,995,000
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SOLD$8,925,000
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320 Atlantic Road, Key Biscayne FL 33149
SOLD$8,300,000
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5 bd · 6 ba · 4,416 sqft
625 Curtiswood Dr, Key Biscayne FL 33149
$8,500,000
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238 Buttonwood Dr, Key Biscayne FL 33149
SOLD$9,450,000
7 bd · 6 ba · 5,074 sqft
107 REEF LANE, Key Biscayne FL 33149
SOLD$9,275,000
5 bd · 6 ba · 5,341 sqft
201 Knollwood Dr, Key Biscayne FL 33149
SOLD$10,500,000
5 bd · 6 ba · 4,997 sqft
112 Reef Ln, Key Biscayne FL 33149
Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
August 2026
49
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 4/29/2026 | Price change | $9,800,000-10.9% |
| 4/12/2025 | Listed for sale | $11,000,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Estimated Monthly Payment
$60,476/mo
Principal & Interest
$52,160
Property Tax
$8,167
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
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