$12,323,400
- 6 Beds
- 6 Baths
- 6,987 sqft (on 0.36 acres)
100 Island Dr, Key Biscayne, FL 33149
Est. Refi. Payment $84,165/mo*
Refinance Your HomeCurrently Off Market - Sold Sep 17, 2020 for $6,887,000
Home Value
Trulia Estimate
$12.3MSince last month
Decreased$185K (-1.5%)Since last year
Increased$695K (+6%)Since last sale
Increased$5M (+77.7%)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 +43% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $12.24M |
| August 2026 | $12.43M |
| July 2026 | $12.05M |
| June 2026 | $12.43M |
| May 2026 | $11.9M |
| April 2026 | $11.59M |
| March 2026 | $11.63M |
| February 2026 | $11.53M |
| January 2026 | $11.28M |
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 |
|---|---|---|---|---|---|---|---|
0.15 | Single-Family Home | $21,000,000 | 02/26/26 | 6 | 7 | 8,031 | |
0.29 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.21 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 | |
0.08 | Single-Family Home | $4,120,000 | 02/18/26 | 3 | 3 | 2,927 | |
0.73 | Single-Family Home | $8,200,000 | 02/25/26 | 6 | 6.5 | 5,275 | |
0.25 | Single-Family Home | $3,800,000 | 08/20/26 | 5 | 4 | 2,329 | |
0.68 | Single-Family Home | $10,850,000 | 08/07/26 | 7 | 5.5 | 5,008 | |
0.68 | Single-Family Home | $10,500,000 | 07/01/26 | 5 | 5.5 | 5,074 | |
0.61 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.49 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 |
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 |
|---|---|---|---|---|---|---|
0.07 | $19,950,000 | 6 | 6.5 | 6,208 | For Sale | |
0.03 | $5,115,200 | 3 | 3 | 3,318 | Off Market | |
0.08 | $4,120,000 | 3 | 3 | 2,927 | Recently Sold | |
0.07 | $11,084,500 | 5 | 4.5 | 5,338 | Off Market | |
0.07 | $3,365,200 | 3 | 4.5 | 3,011 | Off Market | |
0.07 | $4,829,400 | 3 | 4.5 | 3,084 | Off Market | |
0.07 | $4,647,600 | 3 | 4.5 | 2,605 | Off Market | |
0.11 | $16,500,000 | 6 | 6.5 | 7,103 | For Sale | |
0.12 | $10,483,500 | 5 | 4 | 4,299 | Off Market | |
0.12 | $14,990,000 | 4 | 5 | 6,661 | For Sale | |
0.11 | $6,516,600 | 6 | 6.5 | 4,790 | Off Market | |
0.15 | $21,000,000 | 6 | 7 | 8,031 | Recently Sold |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 2007
0.36 acre lot
6,987 sqft
$1,764/sqft
Garage
About this House
This single-family home is located at 100 Island Dr, Key Biscayne, FL. 100 Island Dr is in Key Biscayne, FL and in ZIP code 33149. This property has 6 bedrooms, 6 bathrooms and approximately 6,987 sqft of floor space. This property has a lot size of 0.36 acres and was built in 2007.
100 Island Dr, Key Biscayne, FL 33149 is a 6 bedroom, 6 bathroom, 6,987 sqft single-family home built in 2007. It last sold for $6,887,000 on Sep 17, 2020. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $12,323,400.
Home Details for 100 Island Dr
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Heating & Cooling Heating: ElectricAir ConditioningCooling System: CentralHeating Fuel: Electric |
Levels, Entrance, & Accessibility Stories: 3ElevatorFloors: Tile, Hardwood |
Interior Details Types of Rooms: Dining Room, Family Room, Library, OfficeCeiling Fan |
Appliances & Utilities DishwasherDisposalDryerMicrowaveRefrigeratorWasher |
Fireplace & Spa Hot Tub or Spa |
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Exterior Home Features Roof: Other, TileExterior: StuccoPatioPorch |
Pool Pool |
Parking & Garage GarageParking Spaces: 3Parking: Garage Attached |
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Year Built Year Built: 2007Year Updated: 2007 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 0.36 acres |
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Intercom |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Sep 17, 2020 Source: MIAMI #A10861190 | Sold | $6,887,000 |
Aug 7, 2020 Source: Agent Provided | Pending | $7,790,000 |
May 18, 2020 Source: Agent Provided | Listed For Sale | $7,790,000 |
Mar 20, 2020 Source: Agent Provided | ListingRemoved | $7,880,000 |
Mar 10, 2020 Source: Agent Provided | PriceChange | $7,880,000 Price decreased by 1% |
Jul 9, 2019 Source: Agent Provided | PriceChange | $7,999,000 Price decreased by 10% |
Feb 6, 2019 Source: Agent Provided | Listed For Sale | $8,888,000 |
May 28, 2004 Source: N/A | Sold | $2,134,000 |
Oct 10, 2002 Source: N/A | Sold | $1,650,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $96,914 | $8,906,940 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated August 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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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 100 Island Dr
- What is 100 Island Dr estimated to be worth?Trulia's estimated value for 100 Island Dr in Key Biscayne, FL is $12,323,400.
- What is the price history for 100 Island Dr?100 Island Dr in Key Biscayne, FL last sold for $6,887,000 in September 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 do residents say about Key Biscayne?Residents describe Key Biscayne, FL as walkable to grocery stores, dog-friendly, and walkable to restaurants. See recently sold homes in Key Biscayne, FL.
- Does 100 Island Dr have air conditioning?Yes, 100 Island Dr in Key Biscayne, FL has air conditioning.
- Does 100 Island Dr have a pool?Yes, 100 Island Dr in Key Biscayne, FL has a pool.

