✦Claude's Take — AI Analysis
About this home
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 bran…
Location
Where this home sits
430 Grand Bay Drive, Key Biscayne, FL, 33149
This home
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Facts & features
Interior
Bedrooms, bathrooms, heating, and more
Bedrooms & bathrooms
Bedrooms:4
Bathrooms:6
Full bathrooms:4
1/2 bathrooms:2
Heating
Electric
Cooling
Electric
Appliances
Included:Electric Water Heater, Dryer, Disposal, Dishwasher, Electric Range, Microwave, Oven, Refrigerator, Washer
Features
Built-in Features, Entrance Foyer, High Ceilings, Walk-In Closet(s), Closet Cabinetry, Storage
Flooring:Ceramic Tile
Windows:Blinds
Interior area
Total structure area:9,600 sqft
Total interior livable area:9,600 sqft
Video & virtual tour
Property
Parking, lot, and exterior features
Parking
Open spaces:2
Parking features:Guest, Valet
Features
Exterior features:Balcony
View:Bay, Direct Ocean, Ocean
Waterfront:Deeded Beach Access, Ocean Access, Ocean Front
Details
Parcel number:2452050600960
Subdivision:GRAND BAY TOWER CONDO
MLS area:2420
Construction
Materials, type, and condition
Type & style
Property type:Residential
Property subtype:Condominium
Materials
Walls:CBS
Condition
Resale
New construction:No
Year built:1999
Utilities
Sewer, water, and electric
Utilities
Available utilities:Cable Available
Community & HOA
Amenities and fees
Community
Subdivision:GRAND BAY TOWER CONDO
Security:Fire Alarm, Fire Sprinkler System, Secured Garage/Parking, Smoke Detector(s), Security Fence, Elevator Secure
Senior community:Yes
Pets allowed:Yes, Pet Restrictions Possible
Nearby schools
Schools provided by the listing agent
Schools
Elementary:Key Biscayne K-8
Middle:Ponce De Leon
High:Coral Gables
Financial & listing details
Pricing, taxes, and terms
Pricing
Price per square foot:$2,708/sqft
Original list price:$33,900,000 (reduced)
Days on market:217 days
Taxes
Annual tax:$153,827
Tax year:2024
Terms
Listing terms:Cash, Conventional
Possession:Negotiable
MLS #A11915787 · Source: Beaches MLS
Courtesy of The Corcoran Group
Listing updated: Jun 8, 2026