$24,491,200
- 6 Beds
- 7 Baths
- 10,820 sqft (on 0.55 acres)
500 S Mashta Dr, Key Biscayne, FL 33149
Est. Refi. Payment $167,192/mo*
Refinance Your HomeCurrently Off Market - Sold Apr 13, 2021 for $17,400,000
Home Value
Trulia Estimate
$24.5MSince last month
Increased$283K (+1.2%)Since last year
Increased$289K (+1.2%)Since last sale
Increased$7M (+40.2%)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 +35% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $24.39M |
| August 2026 | $24.81M |
| July 2026 | $24.11M |
| June 2026 | $25.3M |
| May 2026 | $24.43M |
| April 2026 | $24.08M |
| March 2026 | $23.83M |
| February 2026 | $23.13M |
| January 2026 | $22.81M |
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 |
|---|---|---|---|---|---|---|---|
0.56 | Single-Family Home | $21,000,000 | 02/26/26 | 6 | 7 | 8,031 | |
0.17 | Single-Family Home | $14,000,000 | 08/03/26 | 4 | 4.5 | 4,290 | |
0.56 | Single-Family Home | $23,500,000 | 07/06/26 | 3 | 5 | 10,926 | |
0.42 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
1.00 | Single-Family Home | $17,500,000 | 07/08/26 | 7 | 7.5 | 6,240 | |
0.26 | Single-Family Home | $5,200,000 | 08/11/26 | 3 | 3.5 | 3,343 | |
0.48 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.27 | Single-Family Home | $1,200,000 | 06/05/26 | 4 | 4.5 | 3,241 | |
0.53 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 | |
0.54 | 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 | $18,592,800 | 5 | 6.5 | 5,226 | Off Market | |
0.05 | $19,900,000 | 5 | 4 | 3,085 | For Sale | |
0.10 | $5,539,600 | 6 | 5 | 3,245 | Off Market | |
0.14 | $6,350,000 | 4 | 3 | 2,761 | For Sale | |
0.17 | $14,000,000 | 4 | 4.5 | 4,290 | Recently Sold | |
0.17 | $5,262,300 | 4 | 3 | 2,416 | Off Market | |
0.20 | $16,800,000 | 4 | 4 | 3,620 | For Sale | |
0.25 | $12,485,000 | 6 | 7 | 6,405 | For Sale | |
0.25 | $3,344,700 | 3 | 2 | 1,915 | Off Market | |
0.24 | $18,500,000 | 4 | 4.5 | 2,255 | For Sale | |
0.23 | $13,457,400 | 7 | 8.5 | 5,043 | Off Market | |
0.30 | $4,331,800 | 5 | 5.5 | 3,534 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 2014
0.55 acre lot
10,820 sqft
$2,264/sqft
Garage
About this House
This single-family home is located at 500 S Mashta Dr, Key Biscayne, FL. 500 S Mashta Dr is in Key Biscayne, FL and in ZIP code 33149. This property has 6 bedrooms, 8 bathrooms and approximately 10,820 sqft of floor space. This property has a lot size of 0.55 acres and was built in 2014.
500 S Mashta Dr, Key Biscayne, FL 33149 is a 6 bedroom, 8 bathroom, 10,820 sqft single-family home built in 2014. It last sold for $17,400,000 on Apr 13, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $24,491,200.
Home Details for 500 S Mashta Dr
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Heating & Cooling Heating: Forced Air, ElectricAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Interior Details Types of Rooms: Walk In Closet, Family Room, Library, Office, Solarium Atrium |
Appliances & Utilities DishwasherDisposalDryerMicrowaveRefrigeratorWasher |
Fireplace & Spa Hot Tub or Spa |
Levels, Entrance, & Accessibility ElevatorFloors: Hardwood |
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Exterior Home Features Roof: Metal, OtherDeckExterior: Cement ConcretePatio |
Pool Pool |
Parking & Garage GarageParking Spaces: 4Parking: Garage Attached |
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Year Built Year Built: 2014Year Updated: 2014 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 0.55 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Apr 13, 2021 Source: MIAMI #A10811961 | Sold | $17,400,000 |
Mar 18, 2021 Source: MIAMI #A10811961 | Pending | $19,300,000 |
Feb 22, 2021 Source: MIAMI #A10811961 | PriceChange | $19,300,000 Price increased by 6% |
Feb 4, 2020 Source: Agent Provided | Listed For Sale | $18,200,000 |
Nov 1, 2018 Source: Agent Provided | ListingRemoved | $19,400,000 |
Jan 18, 2018 Source: Agent Provided | Listed For Sale | $19,400,000 |
Oct 1, 2017 Source: Agent Provided | ListingRemoved | $21,000,000 |
Jul 3, 2017 Source: Agent Provided | Listed For Sale | $21,000,000 |
May 27, 2017 Source: Agent Provided | ListingRemoved | $21,000,000 |
Mar 10, 2017 Source: Agent Provided | Listed For Sale | $21,000,000 |
Jul 1, 2016 Source: Agent Provided | ListingRemoved | $22,000,000 |
Jan 14, 2016 Source: Agent Provided | Listed For Sale | $22,000,000 |
Mar 23, 2012 Source: Agent Provided | ListingRemoved | $8,500,000 |
Dec 17, 2011 Source: Agent Provided | Listed For Sale | $8,500,000 |
Sep 4, 2010 Source: N/A | ListingRemoved | $8,500,000 |
May 7, 2009 Source: N/A | Sold | $6,600,000 |
Mar 4, 2009 Source: N/A | PriceChange | $8,500,000 Price decreased by 6% |
Feb 16, 2009 Source: N/A | PriceChange | $9,000,000 Price decreased by 5% |
Dec 22, 2008 Source: N/A | Listed For Sale | $9,500,000 |
Sep 12, 2005 Source: N/A | Sold | $700,000 |
Jan 6, 2000 Source: N/A | Sold | $1,050,500 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $252,261 | $18,279,591 |
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 500 S Mashta Dr
- What is 500 S Mashta Dr estimated to be worth?Trulia's estimated value for 500 S Mashta Dr in Key Biscayne, FL is $24,491,200.
- What is the price history for 500 S Mashta Dr?500 S Mashta Dr in Key Biscayne, FL last sold for $17,400,000 in April 2021.
- 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 500 S Mashta Dr have air conditioning?Yes, 500 S Mashta Dr in Key Biscayne, FL has air conditioning.
- Does 500 S Mashta Dr have a pool?Yes, 500 S Mashta Dr in Key Biscayne, FL has a pool.

