$7,994,000
- 5 Beds
- 6.5 Baths
- 5,000 sqft (on 0.26 acres)
80 W Mashta Dr, Key Biscayne, FL 33149
Est. Refi. Payment $53,176/mo*
Refinance Your HomeCurrently Off Market - Sold Aug 23, 2010 for $890,000
Home Value
Trulia Estimate
$7.99MSince last month
Decreased$99K (-1.2%)Since last year
Increased$2M (+34.3%)Since last sale
Increased$7M (+798.2%)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 +323% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $7.99M |
| August 2026 | $7.91M |
| July 2026 | $8.09M |
| June 2026 | $6.47M |
| May 2026 | $6.53M |
| April 2026 | $6.17M |
| March 2026 | $6.26M |
| February 2026 | $6.15M |
| January 2026 | $6.05M |
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 |
|---|---|---|---|---|---|---|---|
0.11 | Single-Family Home | $625,000 | 04/09/26 | 6 | 6 | 4,142 | |
0.15 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.08 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 | |
0.36 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.02 | Single-Family Home | $3,230,000 | 09/12/25 | 4 | 3 | 2,403 | |
0.06 | Single-Family Home | $4,120,000 | 02/18/26 | 3 | 3 | 2,927 | |
0.61 | Single-Family Home | $1,200,000 | 06/05/26 | 4 | 4.5 | 3,241 | |
0.28 | Single-Family Home | $3,125,000 | 03/09/26 | 5 | 3.5 | 2,429 | |
0.42 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 | |
0.39 | Single-Family Home | $3,475,000 | 01/27/26 | 5 | 4.5 | 2,320 |
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 | $3,161,100 | 4 | 3 | 2,403 | Off Market | |
0.04 | $5,112,000 | 6 | 6 | 3,628 | Off Market | |
0.06 | $5,200,000 | 5 | 4.5 | 3,535 | For Sale | |
0.07 | $3,813,600 | 4 | 3.5 | 2,861 | Off Market | |
0.05 | $2,942,100 | 3 | 2 | 1,662 | Off Market | |
0.06 | $4,120,000 | 3 | 3 | 2,927 | Recently Sold | |
0.06 | $737,000 | 2 | 1.5 | 875 | Off Market | |
0.06 | $872,800 | 2 | 2.5 | 875 | Off Market | |
0.06 | $767,600 | 2 | 1.5 | 875 | Off Market | |
0.06 | $614,100 | 1 | 1.5 | 776 | Off Market | |
0.06 | $829,600 | 2 | 1.5 | 875 | Off Market | |
0.08 | $5,690,000 | 6 | 5 | 3,584 | Recently Sold |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 2021
0.26 acre lot
5,000 sqft
$1,599/sqft
About this House
This single-family home is located at 80 W Mashta Dr, Key Biscayne, FL. 80 W Mashta Dr is in Key Biscayne, FL and in ZIP code 33149. This property has 5 bedrooms, 7 bathrooms and approximately 5,000 sqft of floor space. This property has a lot size of 0.26 acres and was built in 2021.
80 W Mashta Dr, Key Biscayne, FL 33149 is a 5 bedroom, 7 bathroom, 5,000 sqft single-family home built in 2021. It last sold for $890,000 on Aug 23, 2010. More recently, it was listed as a rental in July 2013 with an asking price of $5,400 per month. That rental listing was removed on November 27, 2013. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $7,994,000.
Home Details for 80 W Mashta Dr
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Heating & Cooling Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 3Elevator |
Interior Details Additional StorageAtticIn-law unitTypes of Rooms: Walk In Closet, Breakfast Nook, Dining Room, Family Room, Library, Master Bath, Mud Room, Office, Pantry, Recreation Room, Workshop, Solarium Atrium, Sun RoomStorage |
Appliances & Utilities DryerWasher |
Fireplace & Spa Hot Tub or Spa |
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Exterior Home Features Roof: Built Up, Metal, OtherExterior: Stucco, Cement Concrete, MetalGardenLawnPatioPorchSprinkler System |
Pool Pool |
Parking & Garage Parking: Carport |
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Year Built Year Built: 2021Year Updated: 1961 |
Property Type / Style Property Type: Single Family HomeArchitecture: Modern |
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Units in Building: 1 |
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Lot Area: 0.26 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Nov 27, 2013 Source: Agent Provided | ListingRemoved | $5,400 |
Jul 11, 2013 Source: Agent Provided | Listed For Rent | $5,400 |
Apr 6, 2013 Source: Agent Provided | ListingRemoved | $5,400 |
Feb 22, 2013 Source: Agent Provided | PriceChange | $5,400 Price decreased by 8% |
Jan 9, 2013 Source: Agent Provided | PriceChange | $5,900 Price decreased by 9% |
Nov 29, 2012 Source: Agent Provided | Listed For Rent | $6,500 |
Aug 23, 2010 Source: N/A | Sold | $890,000 |
May 22, 2010 Source: Agent Provided | ListingRemoved | $1,095,000 |
Mar 27, 2010 Source: Agent Provided | Listed For Sale | $1,095,000 |
Oct 31, 2007 Source: N/A | Sold | $925,000 |
May 23, 1994 Source: N/A | Sold | $265,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $27,492 | $1,933,604 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated July 2026
Avg. sale price
$1.56M
$26.67KMoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37MoM
Available listings
144
15MoM
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 80 W Mashta Dr
- What is 80 W Mashta Dr estimated to be worth?Trulia's estimated value for 80 W Mashta Dr in Key Biscayne, FL is $7,994,000.
- What is the price history for 80 W Mashta Dr?80 W Mashta Dr in Key Biscayne, FL last sold for $890,000 in August 2010.
- 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 80 W Mashta Dr have air conditioning?Yes, 80 W Mashta Dr in Key Biscayne, FL has air conditioning.
- Does 80 W Mashta Dr have a pool?Yes, 80 W Mashta Dr in Key Biscayne, FL has a pool.

