CAPE FLORIDA SUB SEC 3

31 Island Dr, Key Biscayne FL 33149

6 beds · 6.5 baths · 5,826 ft²

For Sale · Active Listing

$9,800,000

10.91%

Est. Payment $52,160/mo

MLS Sheet Video

6

Bedrooms

6.5

Bathrooms

5,826

Sq. Ft.

2004

Year Built

2

Garage

382

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
382 days
Listed
Apr 12, 2025
Last Updated
Apr 29, 2026
Price/Lot Sq.Ft.
$509/ft²

Comparable homes

Same ZIP, similar price + bedrooms.

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

May 2026

100/100
Buyers marketSellers market

34

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).

4/29/2026Price change$9,800,000-10.9%
4/12/2025Listed 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

31 Island Dr, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$60,476/mo

Principal & Interest

$52,160

Property Tax

$8,167

Insurance

$150

HOA

$0

20% ($1,960,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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