Waterfront - New Construction - Eco Friendly
Address
960 Mariner Dr, Key Biscayne, FL
Price
$ 19,500,000
Property Attributes
- MLS#A11731927
- TypeSingle Family
- Listing Status Active
- CountyMiami-Dade
- CityKey Biscayne
- Area52
- NeighborhoodCAPE FLA SUB SEC 2
- Zip33149
- Style
- Year Built2025
- Taxes$ 77861
- Price$ 19,500,000
- Bedrooms6
- Full Bathrooms8
- Half Bathrooms2
- Sqr Footage7742
Data Source:
Southeast Florida MLS (SEFMLS)
Property Description
Discover unparalleled luxury at 960 Mariner Dr, Key Biscayne. This new architectural gem offers over 9,640 SF of living space, 7742 SF under air conditioning, on a 15,381 SF lot with 106 feet of water frontage. Featuring 6 bedrooms, 8 baths, and 2 half baths, the open-concept design boasts floor-to-ceiling glass, providing stunning views. A 4-person elevator connects all levels, including a third-floor terrace with 360-degree views of the water and Miami skyline. The chef’s kitchen, resort-style pool, summer kitchen, and private dock with direct Bay access make it perfect for entertaining. Boating enthusiasts will appreciate the ski boat crane. This estate combines modern elegance, privacy, and top-tier amenities in one of Miami’s most exclusive areas.
| Elementary School | High School |
|---|---|
| Keybiscayne Elementary School | Mast Academy High School |
| Price History | |
|---|---|
| 10/22/2025 | Listed $21,900,000 |
| 11/13/2025 | 5$20,900,000 |
| 1/6/2026 | 3$20,300,000 |
| 6/9/2026 | 4$19,500,000 |
General Features
| Sewer | PublicSewer |
|---|---|
| Heating | Electric |
| Cooling | CeilingFans,Electric |
| Utilities | CableAvailable,UndergroundUtilities |
| Possession | ClosingAndFunding,CloseOfEscrow |
| Roof | Concrete |
| Appliances | Dryer,Dishwasher,ElectricWaterHeater,Freezer,Disposal,GasRange,GasWaterHeater,IceMaker,Microwave,Refrigerator,SelfCleaningOven,Washer |
| Development Status | NewConstruction |
| Patio/Porch Features | Balcony,Deck,Open,Porch |
| Pool Features | AutomaticChlorination,Concrete,CleaningSystem,Heated,InGround,Other,Pool |
| Security Features | SmokeDetectors |
| Restrictions | OkToLease |
| Construction Materials | Block |
| Pets Allowed | SizeLimit,Yes |
| Year Built | 2025 |
| View | Bay,Canal,Ocean,Other |
| Levels | ThreeOrMore |
| Property Subtype | SingleFamilyResidence |
| Tax Year | 2024 |
| Waterfront Features | CanalFront,OceanAccess,Seawall |
| Community Features | StreetLights |
| County | Miami-Dade |
| New Construction | true |
| Property Type | Residential |
| Energy Efficient | Appliances,Construction,Doors,Hvac,Insulation,Lighting,Roof,Thermostat,WaterHeater,Windows |
| Subdivision Name | CAPE FLA SUB SEC 2 |
| Facing Direction | Northeast |
| Garage Y/N | false |
| Green Indoor Air Quality | Ventilation |
| Full Baths | 8 |
| Special Listing Conditions | ListedAsIs |
| Status | Active |
| High School | Mast Academy |
| City | Key Biscayne |
| Disclosures | FloodPlainDisclosure |
| Senior Community Y/N | false |
| Zoning Description | 2000 |
| MLS Area | 52 |
| Lot Size Units | SquareFeet |
| Lot Size Square Feet | 15381 |
| Carport Spaces | 3 |
| Carport Y/N | true |
| Listing Terms | Cash |
| Elementary School | Keybiscayne |
| Year Built Details | New Construction |
| Tax Annual Amount | 77861 |
| Lease Considered Y/N | false |
| Virtual Tour | https://youtu.be/ZMgPPYBC7x8 |
| Standard Status | Active |
| Occupancy Type | Vacant |
| Property Sub Type Additional | SingleFamilyResidence |
| PostalCity | Key Biscayne |
| Legal Description | 5 55 42 CAPE FL SUB SEC 2 PB 70-67 LOT 3 BLK 6 & PROP INT IN & TO WATERWAY LOT SIZE 97.980 X 150 OR 19128-4140 0696 4 |
Interior Features
| Interior Amenities | Bidet,BedroomOnMainLevel,BreakfastArea,ClosetCabinetry,DiningArea,SeparateFormalDiningRoom,DualSinks,EntranceFoyer,FrenchDoorsAtriumDoors,FirstFloorEntry,KitchenIsland,KitchenDiningCombo,CustomMirrors,Pantry,TubShower,UpperLevelPrimary,WalkInClosets,Elevator |
|---|---|
| Flooring | Hardwood,Wood |
| Furnished Y/N | Unfurnished |
| Air Conditioning Y/N | true |
| Heating Y/N | true |
| Window Features | ImpactGlass |
| Half Baths | 2 |
| Laundry Features | WasherHookup,DryerHookup |
| Total Bedrooms | 6 |
| LivingAreaSource | Plans |
| Total Baths | 10 |
Exterior Features
| Exterior Amenities | Balcony,Deck,Fence,Lighting,OutdoorGrill,OutdoorShower,Porch,SecurityHighImpactDoors |
|---|---|
| Parking Features | AttachedCarport,Driveway,ElectricVehicleChargingStations,GolfCartGarage,Guest |
| Lot Features | QuarterToHalfAcreLot,SprinklersAutomatic |
| Water Source | Public |
| Lot Size Area | 15381 |
| Foundation Details | Raised |
| Spa | false |
| Road Surface Type | Paved |
| Frontage Length | 107 |
| Private Pool | true |
| Waterfront Y/N | true |
| Covered Spaces | 3 |
| Door Features | FrenchDoors |
| Other Equipment | Intercom |
Amenities
- Foreclosure
- Views
- Short Sale
- New Construction
- Adult 55+
- Lease To Own
- No HOA Fees
- Furnished
- Primary On Main
- Air Conditioning
- Seller Finance
- Green
- Fixer Upper
- Horse
- Golf
- Fireplace
- Deck
- Garage
- Basement
- Pool
Property vs Single Family Average in 33149
Price
Taxes
Year Built
Copyright Southeast Florida Multiple Listing Service © 2026. Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited, is a violation of the terms of use, and may violate federal and state law.
Data Last Updated: September 13, 2026 3:47 PM UTC
Information is deemed to be reliable, but is not guaranteed. © 2026 MLS and FBS. Prepared by Florida Keys MLS, Inc. on September 13, 2026 3:47 PM UTC The information on this sheet has been made available by the MLS and may not be the listing of the provider. The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information
All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data relating
