$5,799,000
Active
4d
$5,799,000
669 Mashta
Key Biscayne, FL 33149
4 bd3.5 ba3,382 sqft
Mashta Island
$6,900,000210 days on marketActive
110 Hampton Lane, Key Biscayne, FL 33149
Key Biscayne, FL 33149
6
Beds
6.5
Baths
3,550
Sq Ft
$1,944
$/Sq Ft
2025
Year Built
0.17 acres
Lot Size
Listing Snapshot
| List Price | $6,900,000 |
| Price / Sq Ft | $1,944 |
| Beds | 6 |
| Baths | 6.5 |
| Living Area | 3,550 sqft |
| Lot Size | 0.17 acres |
| Year Built | 2025 |
| Property Tax | $29,729/yr |
| MLS # | 1145849347 |
| Status | Active |
| Days on Market | 210 |
About This Home
Nestled in one of Miami’s most exclusive and sought-after enclaves, this stunning new construction epitomizes luxury living in Key Biscayne. Designed with sophistication and elegance, this home harmoniously blends contemporary style with the relaxed charm of island life. Expansive open-concept interiors with soaring 11-ft ceilings enhanced by floor-to-ceiling windows flood the home with natural light. Features include- a gourmet kitchen with Thermador appliances, imported Spanish tile and engineered wooden flooring, meticulously crafted custom cabinetry, refined carpentry & more. Outdoors, a large pool is surrounded by lush landscaping, several lounge areas, and a fully equipped summer kitchen—perfect for both entertaining and serene relaxation. Exp. delivery Q4 25' / start of Q1 26'.
General Features
- Property Type
- Residential
- Sub-type
- SingleFamilyResidence
- Style
- Contemporary
- Stories
- 2
- Direction Faces
- North
- Parking
- Covered,GolfCartGarage
- Zoning
- 0100
- Subdivision
- TROPICAL ISLE HOMES SUB 4
Interior Features
- Appliances
- Dishwasher,Disposal
- Flooring
- Other,Tile,Wood
- Heating
- Central,Electric
- Cooling
- CentralAir,Electric
- Interior Features
- BuiltInFeatures,BreakfastArea,Bathtub,ClosetCabinetry,DiningArea,SeparateFormalDiningRoom,DualSinks,EatInKitchen,KitchenIsland,MainLevelPrimary,Pantry,SoakingTub,SeparateShower,UpperLevelPrimary,WalkInClosets
Exterior Features
- Construction
- Block
- Exterior Features
- BuiltInBarbecue,Balcony,Barbecue,Lighting,OutdoorLivingArea
- Roof
- Flat,Tile
- Patio / Porch
- Deck,Open,Patio,Balcony
- Pool
- Yes
- Pool Features
- AboveGround
- View
- Garden,Pool
- Waterfront
- No
Community Features
- Association Amenities
- Other
- MLS Area
- 2420
Schools
ElementaryKey Biscayne K-8
MiddlePonce De Leon
HighCoral Gables
Map
Virtual Tour
View Virtual TourListed by Jacqueline Molina · Fortune Christie's Intl R.E.
MLS# 1145849347 · BEACH
Information deemed reliable but not guaranteed. © 2026 BEACH.
MLS# 1145849347 · 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: $5,520,000
%
Est. Monthly$40,134
Principal & Interest$37,656
Property Tax$2,477
Estimate only. Does not include insurance or PMI. Rate is illustrative — contact us for current rates.
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