669 S Mashta Drive
Key Biscayne, FL 33149
4
Bed
4
Bath
3,382Sqft
10,000Sqft(Lot)
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.
Property Details
Map
Map
What's Nearby
Nearby Areas
Features
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Bedroom Information
Total beds: 4Bathroom Information
Total Baths: 4 Full Baths: 3 Half Baths: 1Room Information
Rooms Total: 1Roofing Information
TarGravelFlooring Information
Vinyl -
Interior Features
BreakfastArea, Bathtub, DiningArea, SeparateFormalDiningRoom, DualSinks, GardenTubRomanTub, HighCeilings, MainLevelPrimary, SplitBedrooms, SoakingTub, SeparateShowerRoof: TarGravelAppliances: Dryer, Dishwasher, Disposal, GasRange, Oven, Refrigerator, WasherWindow Features: Blinds -
Heating & Cooling
Has Heating: Yes Heating: HeatStrip Has Cooling: Yes Cooling: CentralAir
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Building Information
Year Built: 1960Building Area Total: 3382Construction Materials: BlockStories: 2Patio And Porch Features: PatioPool Features: AboveGroundPrivate Pool: YesView: Garden -
Exterior Features
Exterior Features: OutdoorLivingArea, OutdoorShower
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Lot Information
Main Square Feet: 10000 Lot Size Acres: 0.23 Lot Description: SprinklersAutomaticProperty Information
Subdivision: MASHTA ISLAND Source Property Type: Residential Postal Code Plus 4: 1747 Property SubType: Single Family Residence Direction Faces: West Levels: Two Property Age: 66
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Listing Price Information
Listing Price: $5799000Cash, Conventional
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Tax Information
Parcel Number: 2452050080180 Tax Year: 2025 Annual Tax: $22013 Tax Legal Desc: 5-6 55 42 MASHTA ISLAND PB 60-93 LOT 11 BLK 2 LOT SIZE 100.000 X 100 OR 19565-4268 03/2001 1
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Virtual Tour
Parking Information
DrivewayGarage Information
Pets Allowed: YesHomeowners Association Information
Has Association: Yes
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School Information
Elementary School: Key Biscayne K-8 Junior High School: Ponce De Leon Senior High School: Coral Gables -
Location Information
WaterSource: Public Security Features: SmokeDetectors
How much is this property worth?
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Nearby Home Value
| Address | Estimate | Bed | Bath | Sq. Ft | Lot Size |
|---|---|---|---|---|---|
| 640 S Mashta Dr, Key Biscayne, FL, 33149 | $16,800,000 | 4 | 4 | 3,620 | 3,620 SqFt |
| 140 Hampton Ln, Key Biscayne, FL, 33149 | $5,495,000 | 5 | 6 | 3,476 | 3,476 SqFt |
| 200 Harbor Dr, Key Biscayne, FL, 33149 | $25,900,000 | 4 | 4 | 2,566 | 2,566 SqFt |
| 200 Ocean Lane Drive #501, Key Biscayne, FL, 33149 | $3,850,000 | 4 | 4 | 1,880 | 1,880 SqFt |
| 200 Ocean Lane Drive #409, Key Biscayne, FL, 33149 | $1,499,000 | 2 | 2 | 1,610 | 1,610 SqFt |
| 200 Ocean Lane Drive #407, Key Biscayne, FL, 33149 | $1,275,000 | 2 | 2 | 1,580 | 1,580 SqFt |
| 200 Ocean Lane Drive #401, Key Biscayne, FL, 33149 | $3,600,000 | 3 | 3 | 2,412 | 2,412 SqFt |
| 111 Reef Lane, Key Biscayne, FL, 33149 | $11,500,000 | 7 | 6 | 5,008 | 5,008 SqFt |
| 31 Island Dr, Key Biscayne, FL, 33149 | $9,800,000 | 6 | 7 | 5,826 | 5,826 SqFt |
| 120 Knollwood Dr, Key Biscayne, FL, 33149 | $19,950,000 | 6 | 7 | 6,208 | 6,208 SqFt |
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ByOwner last updated this listing 07/26/2026 @ 08:32
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