About 430 Grand Bay Dr, Key Biscayne, Florida, 33149
Dominating the Key Biscayne skyline, this Geoffrey Bradfield–designed penthouse is a rare display of power, prestige, and absolute luxury. Encompassing 13,630 sq. ft. with 10,421 sq. ft. under air and 3,000+ sq. ft. of oceanfront terraces, it commands 100 feet of unobstructed beachfront with sweeping sunrise and sunset views. Directly adjacent, the $100M+ newly reimagined Ritz-Carlton and its brand-new Beach Club sit at your footsteps, elevating exclusivity to a world-class level. Inside, soaring ceilings showcase a showpiece chef’s kitchen, grand dining, four-private en-suites, a refined executive office, staff quarters, and couture-caliber closets. Includes five premium parking spaces and five oversized private storage cages. A true trophy residence at the apex of coastal luxury.
Utilities : CableAvailable
Association Amenities : BikeStorage, Clubhouse, FitnessCenter, Pool
Association Fee : 0
Association Fee Includes : AssociationManagement, CommonAreas, Sewer, Security, Trash, Water
Association Fee Frequency : Monthly
Parking Features : Balcony
Garage Spaces: 0
Security Features : ComplexFenced, ElevatorSecured, SecuredGarageParking, FireSprinklerSystem, SmokeDetectors
Exterior Features : Balcony
Waterfront : Yes.
Waterfront Features : OceanAccess, OceanFront
Architectural Style : HighRise, Penthouse
Property Sub-Type Additional : Condominium
Pool Features : Association
Heating : Yes.
Heating : Electric
Cooling : Yes.
Cooling : Electric
Construction Materials : Block
Interior Features : Bidet, BuiltInFeatures, BreakfastArea, ClosetCabinetry, DiningArea, SeparateFormalDiningRoom, DualSinks, EntranceFoyer, HighCeilings, JettedTub, Other, SittingAreaInPrimary, SeparateShower, WalkInClosets
Appliances : BuiltInOven, Dryer, Dishwasher, ElectricRange, ElectricWaterHeater, Disposal, Microwave, Refrigerator, Washer
Window Features : Blinds
Flooring : CeramicTile
Utilities : CableAvailable
Association Amenities : BikeStorage, Clubhouse, FitnessCenter, Pool
Association Fee : 0
Association Fee Includes : AssociationManagement, CommonAreas, Sewer, Security, Trash, Water
Association Fee Frequency : Monthly
Parking Features : Balcony
Garage Spaces: 0
Security Features : ComplexFenced, ElevatorSecured, SecuredGarageParking, FireSprinklerSystem, SmokeDetectors
Exterior Features : Balcony
Waterfront : Yes.
Waterfront Features : OceanAccess, OceanFront
Architectural Style : HighRise, Penthouse
Property Sub-Type Additional : Condominium
Pool Features : Association
Heating : Yes.
Heating : Electric
Cooling : Yes.
Cooling : Electric
Construction Materials : Block
Interior Features : Bidet, BuiltInFeatures, BreakfastArea, ClosetCabinetry, DiningArea, SeparateFormalDiningRoom, DualSinks, EntranceFoyer, HighCeilings, JettedTub, Other, SittingAreaInPrimary, SeparateShower, WalkInClosets
Appliances : BuiltInOven, Dryer, Dishwasher, ElectricRange, ElectricWaterHeater, Disposal, Microwave, Refrigerator, Washer
Window Features : Blinds
Flooring : CeramicTile

Street Address: 430 Grand Bay Dr
City: Key Biscayne
State: Florida
Postal Code: 33149
County: Miami-Dade

Property Information :
Listing Status: Active
Size: 9,600 Sqft
MLS #: A11915787
Bedrooms: 4 bd
Bathrooms: 5 ba
Price: $33,900,000
Tax Amount: 153827
Construction Status: Built in 1999
Last Modified : Dec 16 2025 1:55AM
Amenities :
View

Courtesy of: Julian Johnston, The Corcoran Group (MLS# CSMG02)
Source MLS: MAR