Mashta Island, 510 S Mashta Dr

$19M0.4%
$18,921,250
5
Beds
61/2
Baths
5,226
SqFt
Status
Sold - Jul 08, 2025
Parking
2
Size
5,226 SqFt (486 m2)
Price
$3,621/SqFt ($38,972/m2)
Type
House
Built
1981
MLS Number
A11782312
View
Bay,Garden
On Site
522 Days
Updated
18 Days ago
Page Views
0
Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets.Oversized Lot:18,300-sq.ft. 2 story home with excellent floor plan,Large living room area w/double height ceilings, family room adjacent to Kitchen area. Large dining area w/direct water views & access to pool area. 2nd floor: Master suite & 3 additional bedrooms en suite Master suite w/balcony & large walk in closet .1st floor Guest suite.Water views from every room, dining & reception area.Gazebo by the water.Open kitchen. staff area.powder room.oversized pool w/Cabana room &cabana bath.Double access ( service access &main access) Lush garden offers total privacy . Enclosed two car garage.

Features

Bedrooms
  • Bedrooms: 5
Bathrooms
  • Bathrooms: 6
  • Half Bathrooms: 1
Exterior and Lot Features
  • Exterior Features: Deck
  • View: Bay,Garden
Interior, Heating and Cooling
  • Interior Features: BuiltInFeatures, BedroomOnMainLevel, BreakfastArea, Bathtub, ClosetCabinetry, DualSinks, EatInKitchen, FirstFloorEntry, HighCeilings, LivingDiningRoom, SplitBedrooms, SeparateShower
  • Equipment / Appliances: Dishwasher, Refrigerator
  • Heating Description: Central,Electric
  • Cooling Description: CentralAir,Electric
Building and Construction
  • Floor Description: Hardwood,Marble,Wood
  • Year Built: 1981
  • Year Built Description: Resale
  • Style: TwoStory
Waterfront and Water Access
  • Waterfront Frontage: Yes
School Information
  • Elementary School: Keybiscayne
  • Middle School: Coral Gables Prep Academy
  • Senior High School: Mast Academy
Other Property Info
  • Garage: 2
  • Listing Date: 2025-04-11T16:22:56.000-00:00
  • Directions: East
  • Pets Allowed: Conditional,Yes
Taxes, Fees & More
  • Taxes: 172413
  • Security Information: SmokeDetectors
  • Parking Description: Attached, CircularDriveway, Driveway, Garage, GarageDoorOpener

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Price History

Current
$18.9M
High
$19M
Low
$18.9M
Total Change
-0.4%
$19M$19M$18.9MApr 25Apr 25Jul 25
Date
Event
Price
Change
Price Per
07/08/2025
Sold
$18.9M
0%
$3,621 ft2
$38,972 m2
04/11/2025
Price Reduced
$18.9M
-0.41%
$3,621 ft2
$38,972 m2
04/11/2025
Listed
$19M
 
$3,636 ft2
$39,134 m2
07/08/2025
$18.9M
Event
Sold
Change
0%
Price Per
$3,621 ft2
$38,972 m2
04/11/2025
$18.9M
Event
Price Reduced
Change
-0.41%
Price Per
$3,621 ft2
$38,972 m2
04/11/2025
$19M
Event
Listed
Price Per
$3,636 ft2
$39,134 m2
Price per square foot and days on website are not provided values and are calculated by Subdivisions.
Listed by Brigitte De LangeronDLS International Realty • Buyer Agency Compensation .

Listing Location & Street View
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Scores

Walk Score®
Car-Dependent. Almost all errands require a car
8

100
Bike Score®
Somewhat Bikeable. Minimal bike infrastructure
36

100
Sound Score®
Bearable noise
80

100
Airport Score
Close to airports. Noticeable airport activity
0

100
Traffic Score
Congested area. Frequent traffic delays
24

100
Local Score
Limited local amenities nearby
0

100
Community Snapshot
4 – 5 BR
Bedrooms
$6.4M – $19.9M
Price Tier
2,255 - 10,820
SqFt Range
1972
Year Build
1
Total Floors
71
Total Units

Key Biscayne
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