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Exterior
Living
Bath
Kitchen
Other
Bedroom

669 S Mashta Dr, Key Biscayne, FL 33149

$5,200,000

Last sold 07/13/2026 after 114 Days

4
bed
4
bath
3,382
Sqft ($1,538/Sqft)

House not for sale

About 669 S Mashta Dr

Property type House

Neighborhood

Year built 1960

HOA fee $0/month

Lot size 10,000 Sqft

Property description

Located on the exclusive and highly sought-after Mashta Island, this exceptional property offers a rare opportunity to build your dream home or enjoy the existing beautifully refurbished residence. The home features new bathrooms, updated flooring, and tasteful modern finishes throughout. Designed for relaxed Florida living, the spacious covered terrace overlooks a stunning mosaic-tiled pool, creating the perfect setting for entertaining or enjoying the tropical surroundings. A unique opportunity in one of Key Biscayne's most desirable neighborhoods. Easy to show.

Listed by

Listing Agent - Maureen Jauregui

Listing Office - Coldwell Banker Realty

Source: SEFMLS

MLS#A12033340 • last updated 2 months ago

Movoto checked SEFMLS for data 5 minutes ago

Overview
Cooling/AC	Central Air
Heating	Heat Strip
Levels/Style	Two, 2, Two Story
Type	Residential
SubType	Single Family Residence
Status	Closed
Virtual Tour	N/A
MLS #	A12033340
SqFt	3382
Lot Size (SqFt)	10000
Property Tax	22013
Year Built	1960

Interior
# Full Baths	3
# Half Baths	1
Total # of Baths	4
Total # of Bedrooms	4
Flooring	Vinyl

Exterior
Roof	Tar/Gravel
Exterior	Block
Parking Desc	Driveway
Patio/ Porch	Patio

Amenities / Utilities
Sewer/ Septic	Public Sewer
Water Source	Public
Pets Allowed	1
Security Features	Smoke Detector(s)

Location
View	Garden
Subdivision	MASHTA ISLAND
Area/ Subdivision	52
Community Features	Home Owners Association
Elementary School	Keybiscayne
High School	Coral Gables
Middle School	Ponce De Leon
APN	24-52-05-008-0180
Zoning	2001

Lot/ Land Details
Road Frontage	City Street

We are not permitted to show value estimates for this property.

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Aug 2026
MLS # A12033340
Aug 11, 2026 Sold
$5,200,000 (-10.3%)
Jul 13, 2026 Pending
—
Jun 5, 2026 Listed
$5,799,000 (+22.1%)
Feb 2026
Public Records
Feb 9, 2026 Sold
$4,750,000
Feb 2026
MLS # A11922444
Feb 4, 2026 Sold
$4,750,000 (-4.0%)
Jan 7, 2026 Pending
—
Nov 30, 2025 Listed
$4,950,000 (+42.9%)
Jul 2025
Public Records
Jul 8, 2025 Sold
$3,465,000
Jun 2025
MLS # A11729326
Jun 27, 2025 Sold
$3,465,000 (-11.2%)
Jun 17, 2025 Pending
—
Jun 10, 2025 Pending
—
May 8, 2025 Active
—
Mar 11, 2025 Price Change
$3,900,000 (-9.2%)
Mar 5, 2025 Price Change
$4,295,000 (-4.3%)
Feb 13, 2025 Price Change
$4,490,000 (-10.1%)
Jan 9, 2025 Listed
$4,995,000
Jan 9, 2025 Listed
$4,995,000

Year Property taxes Tax assessment
2025
$22,931 +2.3%

$1,420,458 +2.9%
2024
$22,405 +1.3%

$1,380,426 +3.0%
2023
$22,116 +4.3%

$1,340,220 +3.0%
2022
$21,199 -0.2%

$1,301,185 +3.0%
2021
$21,242 +6.4%

$1,263,287 +1.4%
2020
$19,964 +2.1%

$1,245,846 +2.3%
2019
$19,550 +5.6%

$1,217,836 +1.9%
2018
$18,517 +1.3%

$1,195,129 +2.1%
2017
$18,288 -0.4%

$1,170,548 +2.1%
2016
$18,353 -1.4%

$1,146,473
2015
$18,616

—

669 S Mashta Dr
$5.2M
Village of Key Biscayne
$1.84M -4% y/y
33149
$1.69M -11% y/y
Key Biscayne
$1.69M -12% y/y

No chart available

Statistics calculated by Movoto

	Est. value	Bed/bath	Sqft	mi
651 S Mashta Dr, Key Biscayne, FL 33149	$5,400,000	3/4	2,624	0.02
701 S Mashta Dr, Key Biscayne, FL 33149	$5,836,000	4/3	2,735	0.02
660 N Mashta Dr, Key Biscayne, FL 33149	$5,816,000	4/3	2,600	0.02
700 N Mashta Dr, Key Biscayne, FL 33149	$7,153,000	5/4	4,505	0.03
650 N Mashta Dr, Key Biscayne, FL 33149	$6,917,000	5/5	4,405	0.03
670 S Mashta Dr, Key Biscayne, FL 33149	$7,591,000	5/6	5,953	0.03
700 S Mashta Dr, Key Biscayne, FL 33149	$10,072,000	5/—	8,366	0.03
660 S Mashta Dr, Key Biscayne, FL 33149	$7,591,000	5/5	5,043	0.04

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.