$18,500,000
Active
13d
$18,500,000
350 Ocean #LPH2N
Key Biscayne, FL 33149
5 bd5.5 ba4,764 sqft
Oceana Key Biscayne Condo
$16,800,00059 days on marketActive
640 S Mashta Drive, Key Biscayne, FL 33149
Key Biscayne, FL 33149
4
Beds
4
Baths
3,620
Sq Ft
$4,641
$/Sq Ft
1968
Year Built
2 car
Garage
0.34 acres
Lot Size
Listing Snapshot
| List Price | $16,800,000 |
| Price / Sq Ft | $4,641 |
| Beds | 4 |
| Baths | 4 |
| Living Area | 3,620 sqft |
| Lot Size | 0.34 acres |
| Year Built | 1968 |
| Property Tax | $155,651/yr |
| MLS # | 1156684437 |
| Status | Active |
| Days on Market | 59 |
About This Home
Welcome to your own slice of paradise! Enjoy breathtaking sunsets from your private dock on this waterfront property boasting 100 feet of direct Biscayne Bay frontage. Ideally located on Mashta Island. Set on a 15,000 SF lot, the home features 5 beds, 5 baths, including 2 bayfront primary suites with stunning views, impact windows and doors throughout. The open-concept layout flows seamlessly from the living and dining areas to the modern kitchen and out to the pool and entertainment patio, with floor-to-ceiling glass doors that open to blend indoor and outdoor living. Tranquil guest suite upstairs offering privacy and views. It also features an oversized 2-car garage, covered parking, and a spacious driveway for guests. Perfect to move in, renovate, or build your dream waterfront estate
General Features
- Property Type
- Residential
- Sub-type
- SingleFamilyResidence
- Style
- Other
- Direction Faces
- East
- Attached Garage
- Yes
- Garage Spaces
- 2
- Parking
- Attached,Driveway,Garage,GarageDoorOpener,Guest
- Zoning
- 2001
- Utilities
- CableAvailable
- Subdivision
- MASHTA ISLAND
Interior Features
- Appliances
- Dishwasher
- Flooring
- Other
- Heating
- Other
- Cooling
- CentralAir
- Interior Features
- BreakfastArea,Bathtub,DiningArea,DualSinks,EntranceFoyer,LivingDiningRoom,MainLevelPrimary,MultipleEnSuiteBathrooms,Pantry,SplitBedrooms,SoakingTub,SeparateShower,VaultedCeilings,WalkInClosets
Exterior Features
- Construction
- Block
- Exterior Features
- Other
- Roof
- Barrel
- Pool
- Yes
- Pool Features
- InGround
- View
- Bay,Garden
- Waterfront
- Yes
- Waterfront Features
- OceanFront
Community Features
- Association Amenities
- BoatDock
- MLS Area
- 2520
Schools
ElementaryKey Biscayne K-8
MiddlePonce De Leon
HighCoral Gables
Map
Virtual Tour
View Virtual TourListed by Brigitte De Langeron · DLS International Realty
MLS# 1156684437 · BEACH
Information deemed reliable but not guaranteed. © 2026 BEACH.
MLS# 1156684437 · BEACH
Information deemed reliable but not guaranteed. © 2026 BEACH.
Interested in this home?
Schedule a showing or ask a question — buyer representation is free.
Estimate Your Payment
$
20% down · Loan: $13,440,000
%
Est. Monthly$104,655
Principal & Interest$91,684
Property Tax$12,971
Estimate only. Does not include insurance or PMI. Rate is illustrative — contact us for current rates.
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