Condo in 430 Grand Bay Drive PH1AN, Key Biscayne, FL 33149 for sale with MLS# A11915787

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.

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430 Grand Bay Drive PH1AN, Key Biscayne, FL 33149

Price
Price:
$26,000,000.00
Original List Price:
$33,900,000.00
List Price per Sq Ft (Calculated, Approx.):
$2,708.33
Property Status and Type
Listing Type:
For Sale
Status:
Active
Listing Category:
Residential
Property Type:
Condominium
Description of Last Important Update:
Price Reduced
Last Major Update on:
January 15, 2026 11:17 pm
Other Special Conditions:
Sold As-is
Rooms Distribution
Bedrooms:
4
Bathrooms Total:
6
Full Bath:
4
Half Bath:
2
Room Type:
Laundry, Family Room, Den, Great Room, Maid/in-law Quarters
Master Bedroom Bath:
Bidet, Master Bdrm - Sitting, Separate Shower, Whirlpool Tub, Dual Sinks, Separate Tub, Other
Dining Area:
Formal Dining, Breakfast Area
Measures
Living Area:
9,600 Sqft
Built-Up Area:
9,600 Sqft
Property Features
View from the Property:
Ocean, Bay, Direct Ocean
Waterfront:
Yes
Waterfront Features:
Ocean Access, Ocean Front, Deeded Beach Access
Security:
Smoke Detector(s), Fire Sprinkler System, Secured Garage/Parking, Fire Alarm, Security Fence, Elevator Secure
Appliances:
Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Electric Range, Electric Water Heater, Oven
Interior:
High Ceilings, Walk-In Closet(s), Closet Cabinetry, Entrance Foyer, Built-in Features, Storage
Exterior:
Balcony
Windows:
Blinds
Air Conditioning
Air Conditioning System:
Electric
Heating
Heating System:
Electric
Unit Description:
Corner/end Unit, High Rise, Penthouse
Balcony Details:
Balcony - Open
Construction
Year Built:
1999
Levels:
Two
Construction Materials:
CBS
Flooring:
Ceramic Tile
Number of stories:
14
Flood Zone Code:
AE
Property Condition:
Resale
Taxes and Expenses
Tax Annual Amount:
$153,827.00
Tax Year:
2024
Parking
Garage Spaces:
0
Covered Spaces:
0
Parking Features:
Guest, Valet
Utilities
Utilities Available:
Cable Available
Community
Application Required
Application Fee:
$150.00
Application Information:
1-2 Weeks Approval, Association Approval Required
Association Type:
Condominium
Pets Allowed?:
Yes, Pet Restrictions Possible
Amenities Provided by the Homeowner's Association (HOA):
Pool, Community Room, Bike Storage, Management, Fitness Center
Subdivision Name:
GRAND BAY TOWER CONDO
Association Fee Includes:
Sewer, Water, Trash, Security, Common Areas
Senior Community:
Yes
Minimum Days per Lease:
0
Leasing Permitted
Leasing Permitted Details:
Okay To Lease
Terms
Listing Terms Considered by Seller:
Cash, Conventional
Buyer Possession:
Negotiable
Zoning and Legal
Tax Legal Description:
GRAND BAY TOWER CONDO UNITS PH-1AN & PH-1AS UNDIV 1.4578% & 1.4578% INT IN COMMON ELEMENTS OFF REC 18893-1027 OR 18938-2999 1299 1 COC 25567
Real Estate Folio Number (Parcel Number):
2452050600960
Public Schools Assigned
Elementary School:
Meadow Park
High School:
Coral Gables
Middle Or Junior School:
Ponce De Leon
Listing History
Active on the market since:
November 18, 2025
Listing Agreement executed on:
November 18, 2025
Price change occurred on:
January 15, 2026 11:17 pm
Listing Status Last Changed On:
November 18, 2025 9:00 pm
Photos updated on:
July 16, 2026 8:28 pm
Last Modified:
July 20, 2026 2:57 pm
Additional Information
Courtesy of:
The Corcoran Group
Attribution:
Not provided
Location
Floor Number:
14
Street Name:
Grand Bay
Street Number:
430
Unit Number:
PH1AN
City:
Key Biscayne
State:
Florida
Zip Code:
33149
County:
Miami-Dade
Latitude:
N25° 41' 35.1''
Longitude:
W81° 50' 31.2''
Street Suffix:
Drive
Property Map

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Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $171,982
Median Home Value $1,231,500
Median Rent $3,501/mo
Median Age 43
Population 14,628

Air Quality

Source: AirNow.gov · Miami

🌬️ Air Quality Index (AQI) 55 Moderate
☀️ O3 35 Good
🫁 PM2.5 55 Moderate
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Association of REALTORS®
Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.