430 Grand Bay Dr Key Biscayne FL 33149 MLS #A11915787
430 Grand Bay Dr
Key Biscayne, FL, 33149
$26,000,000
4 Beds
5 Baths
9,600 SqFt
0 Acres
$26,000,000
430 Grand Bay Dr
Key Biscayne, FL, 33149
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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.

Property Details

Price:
$26,000,000
MLS #:
A11915787
Status:
Active
Beds:
4
Baths:
5
Type:
Condo
Subtype:
Condominium
Subdivision:
GRAND BAY TOWER CONDO
Neighborhood:
grandbaytowercondo
Listed Date:
Nov 18, 2025
Finished Sq Ft:
9,600
Total Sq Ft:
9,600
Year Built:
1999
WaterfrontOceanfrontGrand Bay Tower CondoGrandbaytowercondoGrand Bay Tower CondoKeybiscaynePonce De LeonCoral GablesOk To LeaseRestrictions Or Possible Restrictions

Schools

Elementary School:
Keybiscayne
Middle School:
Ponce De Leon
High School:
Coral Gables

Interior

Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Electric Range, Refrigerator, Wall Oven, Washer
Bathrooms
4 Full Bathrooms, 2 Half Bathrooms
Cooling
Electric
Flooring
Ceramic Floor
Heating
Electric
Interior Features
Built-in Features, Closet Cabinetry, Fire Sprinklers, Entrance Foyer, Volume Ceilings, Walk-In Closet(s), Den/Library/Office, Family Room, Great Room, Maid/In-Law Quarters, Storage, Utility Room/Laundry
Laundry Features
Utility Room/Laundry

Exterior

Architectural Style
Corner Unit, High Rise, Penthouse
Association Amenities
Bike Storage, Community Room, Exercise Room, Pool
Construction Materials
CBS Construction
Exterior Features
Open Balcony
Parking Features
2 Or More Spaces, Guest, Valet, No Rv/Boats
Patio And Porch Features
Open Balcony
Security Features
Fire Sprinklers, Fire Alarm, Smoke Detector, Complex Fenced, Elevator Secure, Secured Garage/Parking
View
Bay, Ocean View, Direct Ocean
Waterfront Features
Ocean Access, Ocean Front
Window Features
Blinds

Financial

HOA Fee Frequency
Monthly
Tax Year
2024
Taxes
$153,827
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Map

Current real estate data for Condo in Key Biscayne as of Apr 16, 2026
130
Condo Listed
100
Avg DOM
1,156
Avg $ / SqFt
$2,693,240
Avg List Price

Community

Subdivisions in Key Biscayne

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Property Summary

    Located in the GRAND BAY TOWER CONDO subdivision, 430 Grand Bay Dr Key Biscayne FL is a Condo for sale in Key Biscayne, FL, 33149. It is listed for $26,000,000 and features 4 beds, 5 baths, and has approximately 9,600 square feet of living space, and was originally constructed in 1999. The current price per square foot is $2,708. The average price per square foot for Condo listings in Key Biscayne is $1,156. The average listing price for Condo in Key Biscayne is $2,693,240.
430 Grand Bay Dr
Key Biscayne, FL