$10,535,100
- 6 Beds
- 6.5 Baths
- 4,108 sqft (on 0.34 acres)
40 Island Dr, Key Biscayne, FL 33149
Est. Refi. Payment $71,906/mo*
Refinance Your HomeCurrently Off Market - Sold Dec 3, 2020 for $5,918,220
Home Value
Trulia Estimate
$10.5MSince last month
Increased$152K (+1.5%)Since last year
Increased$1M (+15.1%)Since last sale
Increased$5M (+78.3%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +84% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $10.55M |
| August 2026 | $10.55M |
| July 2026 | $10.4M |
| June 2026 | $10.52M |
| May 2026 | $9.87M |
| April 2026 | $9.57M |
| March 2026 | $9.5M |
| February 2026 | $9.31M |
| January 2026 | $9.1M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.31 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 | |
0.38 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.14 | Single-Family Home | $21,000,000 | 02/26/26 | 6 | 7 | 8,031 | |
0.17 | Single-Family Home | $4,120,000 | 02/18/26 | 3 | 3 | 2,927 | |
0.34 | Single-Family Home | $3,800,000 | 08/20/26 | 5 | 4 | 2,329 | |
0.70 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.58 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.73 | Single-Family Home | $4,700,000 | 07/27/26 | 5 | 6 | 3,285 | |
0.77 | Single-Family Home | $8,200,000 | 02/25/26 | 6 | 6.5 | 5,275 | |
0.65 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.02 | $10,989,600 | 5 | 4.5 | 5,338 | Off Market | |
0.08 | $16,500,000 | 6 | 6.5 | - | For Sale | |
0.08 | $19,800,000 | 4 | 7 | 8,240 | For Sale | |
0.03 | $6,651,600 | 6 | 6.5 | 4,790 | Off Market | |
0.11 | $10,729,900 | 5 | 4 | 4,299 | Off Market | |
0.11 | $19,950,000 | 6 | 6.5 | 6,208 | For Sale | |
0.06 | $9,800,000 | 6 | 6.5 | 5,826 | For Sale | |
0.13 | $14,990,000 | 4 | 5 | 6,661 | For Sale | |
0.14 | $21,000,000 | 6 | 7 | 8,031 | Recently Sold | |
0.10 | $5,149,500 | 3 | 3 | 3,318 | Off Market | |
0.12 | $3,413,000 | 3 | 4.5 | 3,011 | Off Market | |
0.12 | $4,885,100 | 3 | 4.5 | 3,084 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1969
0.34 acre lot
4,108 sqft
$2,565/sqft
About this House
Stunning, magazine quality waterfront home on the exclusive & idyllic island of Key Biscayne. Enjoy water views from light-filled living spaces w/ soaring, vaulted wood-beamed ceilings, a striking white color palette & a modern vibe throughout. Updates include new: limestone flooring, spa-like baths, impact glass, interior & exterior Sonos sound system, new dock w/adjoining floating dock and new stone terrace & pool deck. European-style kitchen features black granite countertops, Viking appliances & breakfast area. Lush, tropical garden surrounds the resort-like outdoor space that offers an expansive covered terrace, pool & gazebo w/ spectacular wide basin and sunset views. Protected, private dock will accommodate up to 60 boat and no bridges to the bay w/direct ocean access.
40 Island Dr, Key Biscayne, FL 33149 is a 6 bedroom, 7 bathroom, 4,108 sqft single-family home built in 1969. It last sold for $5,918,220 on Dec 3, 2020. More recently, it was listed as a rental in January 2011 with an asking price of $15,000 per month. That rental listing was removed on April 1, 2011. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $10,535,100.
Home Details for 40 Island Dr
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|---|
Levels, Entrance, & Accessibility Stories: 3Floors: Other |
Interior Details Additional StorageStorage |
Appliances & Utilities DishwasherDryerMicrowaveRefrigeratorWasher |
Heating & Cooling Air ConditioningCooling System: Central |
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Exterior Home Features Roof: OtherDeckExterior: OtherPatioPorch |
Pool Pool |
Parking & Garage Parking: Off Street |
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Year Built Year Built: 1969Year Updated: 1969 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 0.34 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Dec 3, 2020 Source: MIAMI #A10759872 | Sold | $5,918,220 |
Jun 17, 2020 Source: Agent Provided | PriceChange | $6,600,000 Price decreased by 6% |
Oct 21, 2019 Source: Agent Provided | Listed For Sale | $6,995,000 |
Apr 1, 2011 Source: Agent Provided | ListingRemoved | $15,000 |
Jan 7, 2011 Source: Agent Provided | Listed For Rent | $15,000 |
Oct 4, 2004 Source: N/A | Sold | $2,875,000 |
Feb 7, 2003 Source: N/A | Sold | $1,800,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $71,625 | $7,973,411 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated August 2026
Avg. sale price
$1.56M
$26.67KMoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37MoM
Available listings
142
2MoM
Around this home
What Locals Say about Key Biscayne
At least 116 Trulia users voted on each feature.
94 % Say it's walkable to grocery stores
94 % Say kids play outside
90 % Say it's dog friendly
90 % Say it's walkable to restaurants
86 % Say people would walk alone at night
86 % Say there are sidewalks
79 % Say it's quiet
79 % Say there's holiday spirit
76 % Say they plan to stay for at least 5 years
68 % Say parking is easy
67 % Say streets are well-lit
60 % Say there are community events
58 % Say neighbors are friendly
54 % Say yards are well-kept
52 % Say there's wildlife
50 % Say car is needed
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 40 Island Dr
- What is 40 Island Dr estimated to be worth?Trulia's estimated value for 40 Island Dr in Key Biscayne, FL is $10,535,100.
- What is the price history for 40 Island Dr?40 Island Dr in Key Biscayne, FL last sold for $5,918,220 in December 2020.
- Is Key Biscayne a buyer's or seller's market?Key Biscayne is currently a buyer's market, based on recent for-sale activity.
- What's the median sale price in Key Biscayne?The median sale price in Key Biscayne is $1.56M. That is down $26.67K from the prior month.
- Does 40 Island Dr have air conditioning?Yes, 40 Island Dr in Key Biscayne, FL has air conditioning.
- Does 40 Island Dr have a pool?Yes, 40 Island Dr in Key Biscayne, FL has a pool.

