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

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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

Map

Community

Subdivisions in Key Biscayne

Market Summary

Current real estate data for Condo in Key Biscayne as of Apr 19, 2026
131
Condo Listed
99
Avg DOM
1,156
Avg $ / SqFt
$2,680,169
Avg List Price

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 $2,680,169. To schedule a showing of MLS#a11915787 at 430 Grand Bay Dr in Key Biscayne, FL, contact your Julien Drieu agent at 7862380927.

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