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$5,799,0004 days on marketActive

669 S Mashta Drive, Key Biscayne, FL 33149

Key Biscayne, FL 33149
4
Beds
3.5
Baths
3,382
Sq Ft
$1,715
$/Sq Ft
1960
Year Built
0.23 acres
Lot Size

Listing Snapshot

List Price$5,799,000
Price / Sq Ft$1,715
Beds4
Baths3.5
Living Area3,382 sqft
Lot Size0.23 acres
Year Built1960
Property Tax$22,013/yr
MLS #1173649929
StatusActive
Days on Market4

About This Home

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.

General Features

Property Type
Residential
Sub-type
SingleFamilyResidence
Stories
2
Direction Faces
West
Parking
Driveway
Zoning
2001
Security
SmokeDetectors
Subdivision
MASHTA ISLAND

Interior Features

Appliances
Dryer,Dishwasher,Disposal,GasRange,Oven,Refrigerator,Washer
Flooring
Vinyl
Heating
HeatStrip
Cooling
CentralAir
Interior Features
BreakfastArea,Bathtub,DiningArea,SeparateFormalDiningRoom,DualSinks,GardenTubRomanTub,HighCeilings,MainLevelPrimary,SplitBedrooms,SoakingTub,SeparateShower
Window Features
Blinds

Exterior Features

Construction
Block
Exterior Features
OutdoorLivingArea,OutdoorShower
Roof
TarGravel
Lot Features
SprinklersAutomatic
Patio / Porch
Patio
Pool
Yes
Pool Features
AboveGround
View
Garden
Waterfront
No

Community Features

MLS Area
2520

Schools

ElementaryKey Biscayne K-8
MiddlePonce De Leon
HighCoral Gables

Map

Virtual Tour

View Virtual Tour
Listed by Maureen Jauregui · Coldwell Banker Realty
MLS# 1173649929 · BEACH
Information deemed reliable but not guaranteed. © 2026 BEACH.

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Estimate Your Payment

$

20% down · Loan: $4,639,000

%
Est. Monthly$33,481
Principal & Interest$31,646
Property Tax$1,834

Estimate only. Does not include insurance or PMI. Rate is illustrative — contact us for current rates.

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