$13,997,000
- 4 Beds
- 4.5 Baths
- 4,290 sqft (on 0.35 acres)
591 N Mashta Dr, Key Biscayne, FL 33149
Est. Refi. Payment $94,239/mo*
Refinance Your HomeCurrently Off Market - Sold Aug 3, 2026 for $14,000,000 (10% below list price)
Home Value
Trulia Estimate
$14MSince last month
$3K (0%)Since last year
Increased$3M (+30.7%)Since last sale
Decreased$21K (-0.1%)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 +57% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $13.98M |
| August 2026 | $13.98M |
| February 2026 | $15.02M |
| January 2026 | $15.15M |
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 |
|---|---|---|---|---|---|---|---|
0.33 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.50 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.38 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 | |
0.39 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.39 | Single-Family Home | $23,500,000 | 07/06/26 | 3 | 5 | 10,926 | |
0.51 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 |
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 |
|---|---|---|---|---|---|---|
0.03 | $5,381,900 | 4 | 3 | 2,416 | Off Market | |
0.05 | $6,350,000 | 4 | 3 | 2,761 | For Sale | |
0.07 | $5,694,400 | 6 | 5 | 3,245 | Off Market | |
0.08 | $18,500,000 | 4 | 4.5 | 2,255 | For Sale | |
0.10 | $16,800,000 | 4 | 4 | 3,620 | For Sale | |
0.12 | $19,900,000 | 5 | 4 | 3,085 | For Sale | |
0.12 | $13,356,100 | 7 | 8.5 | 5,043 | Off Market | |
0.15 | $18,434,000 | 5 | 6.5 | 5,226 | Off Market | |
0.17 | $3,404,700 | 3 | 2 | 1,915 | Off Market | |
0.18 | $4,432,100 | 5 | 5.5 | 3,534 | Off Market | |
0.19 | $8,197,300 | 6 | 6.5 | 4,225 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1960
0.35 acre lot
4,290 sqft
$3,263/sqft
Garage
About this House
BEAUTIFUL AND UNIQUE WATERFRONT HOME ON EXCLUSIVE MASHTA ISLAND, ON DESIRABLE NORTH MASHTA DR IN KEY BISCAYNE. ELEVATED AND VERY COMFORTABLE 4BR/4.5BA + MAID’S QUARTERS WITH APPROX. 4,290 SQ FT UNDER A/C, SITTING ON A LARGE AND PRIVATE 15,184 SQ FT LOT, IDEAL FOR ENJOYING WITH FAMILY AND FRIENDS. APPROX. 50 FT DOCK WHERE THE OWNERS HAVE DOCKED BOATS OF AROUND 78 FT, WITH DEEP WATER OF ABOUT 8 FT EVEN AT LOW TIDE – A RARE TRUE DEEP-WATER ACCESS ON THE ISLAND. NORTH-FACING CANAL KEEPS THE HOUSE AND OUTDOOR AREAS PLEASANT AND COOLER ALL YEAR ROUND. EASY TO SHOW. BRING YOUR QUALIFIED BUYERS AND BEST OFFERS.
591 N Mashta Dr, Key Biscayne, FL 33149 is a 4 bedroom, 5 bathroom, 4,290 sqft single-family home built in 1960. It last sold for $14,000,000 on Aug 3, 2026 (10% below the $15,500,000 asking price). More recently, it was listed as a rental in June 2024 with an asking price of $38,000 per month. That rental listing was removed on October 1, 2024. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $13,997,000.
Last check for updates: about 2 hours ago
Listed by Cristina D Anglemont De Tassigny, (786) 473-0860
EXP Realty LLC
Bought with: Giulietta Ulloa, (305) 710-6620, BHHS EWM Realty
Originating MLS: A-Miami Association of REALTORS
Source: MIAMI, MLS#A11924175

Home Details for 591 N Mashta Dr
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Beds & Baths Number of Bedrooms: 4Number of Bathrooms: 5Number of Bathrooms (full): 4Number of Bathrooms (half): 1 |
Dimensions and Layout Living Area: 4290 Square Feet |
Appliances & Utilities Appliances: Trash Compactor, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas RangeDishwasherDisposalDryerMicrowave |
Heating & Cooling Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central |
Windows, Doors, Floors & Walls Flooring: Other, Wood |
Levels, Entrance, & Accessibility Stories: 1Entry Location: First Floor EntryFloors: Other, Wood |
View Has a ViewView: Canal, Water |
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Exterior Home Features Roof: AluminumPatio / Porch: DeckHas a Private Pool |
Parking & Garage Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageParking Spaces: 2Parking: Other |
Pool Pool: In GroundPool |
Frontage WaterfrontWaterfront: Ocean Access, Canal Front, WF/Pool/Ocean AccessOn Waterfront |
Water & Sewer Sewer: Septic Tank |
Farm & Range Frontage Length: 0Not Allowed to Raise Horses |
Surface & Elevation Elevation Units: Feet |
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Year Built Year Built: 1960 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: House, DetachedArchitecture: House,Detached |
Building Building Name: Mashta Island A Replat OfConstruction Materials: Block |
Property Information Usage of Home: Unknown/WithheldParcel Number: 2452050090040 |
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Price List Price: $15,500,000Price Per Sqft: $3,263/sqft |
Status Change & Dates Off Market Date: Mon May 04 2026 |
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MLS Status: Closed |
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Direction & Address City: Key BiscayneCommunity: Mashta Island A Replat Of |
School Information Elementary School: KeybiscayneJr High / Middle School: Ponce De LeonHigh School: Coral Gables |
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Building Area Building Area: 6219 Square Feet |
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Community Features: None, No Subdiv/Park Info |
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Association for this Listing: A-Miami Association of REALTORSNo HOA |
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Lot Area: 0.35 acres |
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Contingencies: FinancingListing Terms: All Cash, Conventional, FHA, FHA-Va Approved |
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Mls Number: A11924175Water ViewWater View: Canal, Water |
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NoneNo Subdiv/Park InfoSource Internet Entire Listing Display |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Aug 3, 2026 Source: MIAMI #A11924175 | Sold | $14,000,000 |
Jun 23, 2026 Source: MIAMI #A11924175 | Pending | $15,500,000 |
May 29, 2026 Source: eXp Realty #A11924175 | Contingent | $15,500,000 |
Mar 20, 2026 Source: MIAMI #A11924175 | PriceChange | $15,500,000 Price decreased by 9% |
Jan 15, 2026 Source: MIAMI #A11924175 | Listed For Sale | $16,950,000 |
Oct 1, 2024 Source: Zillow Rentals | ListingRemoved | $38,000 |
Jun 25, 2024 Source: Zillow Rentals | Listed For Rent | $38,000 |
Jun 24, 2024 Source: MIAMI #A11487759 | ListingRemoved | |
Nov 16, 2023 Source: MIAMI #A11487759 | Listed For Rent | $38,000 |
Mar 5, 2004 Source: N/A | Sold | $3,230,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $112,793 | $8,275,489 |
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

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
Frequently asked questions about 591 N Mashta Dr
- What is 591 N Mashta Dr estimated to be worth?Trulia's estimated value for 591 N Mashta Dr in Key Biscayne, FL is $13,997,000.
- What is the price history for 591 N Mashta Dr?591 N Mashta Dr in Key Biscayne, FL last sold for $14,000,000 in August 2026.
- 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 591 N Mashta Dr have air conditioning?Yes, 591 N Mashta Dr in Key Biscayne, FL has air conditioning.
- Does 591 N Mashta Dr have a pool?Yes, 591 N Mashta Dr in Key Biscayne, FL has a pool.

