430 Grand Bay Dr, Key Biscayne FL 33149 | Miami-Dade County | A11915787
  • $26,000,000

Description

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 Overview

This four-bedroom, four-and-a-half-bathroom penthouse in the Grand Bay Tower spans nearly 10,000 square feet of living space, with 10,421 square feet of indoor air-conditioned space and over 3,000 square feet of oceanfront terraces. Built in 1999, the home features a chef’s kitchen, grand dining area, executive office, four private en-suite bedrooms, staff quarters, and high-end closets. The property includes five premium parking spaces and five oversized private storage cages, offering convenience and luxury in equal measure. Geoffrey Bradfield designed this home to make a statement, and it delivers with soaring ceilings and sweeping ocean views from sunrise to sunset. The residence commands 100 feet of unobstructed beachfront on Key Biscayne, offering a prime location for those who appreciate privacy and space. The home is adjacent to the newly reimagined Ritz-Carlton and its Beach Club, which are steps away and add a layer of world-class amenities to the neighborhood. Priced at $26,000,000, this penthouse is among the largest and most luxurious in the area. With no HOA fees and direct access to the ocean, it is positioned to serve as a long-term home or an exceptional investment. For more details or to schedule a showing, call 305-859-4733.

Frequently Asked Questions

How many bedrooms and bathrooms does the GRAND BAY TOWER penthouse have?

The penthouse features four bedrooms and six bathrooms, including four full bathrooms and two half bathrooms.

What are the total square footage and year built of the property?

The property is listed as 9,600 square feet of living area and was built in 1999.

How much is the asking price for this property?

The asking price for the GRAND BAY TOWER penthouse is $26,000,000.

What are the parking and storage features included with this property?

The property includes five premium parking spaces and five oversized private storage cages.

What are the oceanfront and view details of the penthouse?

The penthouse offers 100 feet of unobstructed beachfront and features over 3,000 square feet of oceanfront terraces with sunrise and sunset views.

Is there an HOA fee for this property?

There is no HOA fee associated with this property.

Monthly Fees & Carrying Costs

  • Membership Required: No
  • Application Fee: $150 (one-time)
  • Address: Grand Bay Dr
  • City: Key Biscayne
  • State/county: Miami-Dade County
  • Zip/Postal Code: 33149
  • Area: GRAND BAY TOWER CONDO

Details

Updated on June 21, 2026 at 2:39 pm
  • Property ID A11915787
  • Price $26,000,000
  • Property Size 9600 Sq Ft
  • Bedrooms 4
  • Room 0
  • Bathrooms 5
  • Garage 0
  • Year Built 1999
  • Type Condominium
  • Property Status Active, Residential

Additional details

  • Flooring Ceramic Floor
  • Waterfront Features Ocean Access, Ocean Front
  • Bedroom Features Other, Primary Bath Shower, Primary Bath Tub, Sitting Area - Primary Bedroom
  • Cooling Electric
  • Association Type Condo
  • Building GRAND BAY TOWER
  • Association Fee Frequency Monthly
  • Area Grand Bay Tower Condo
  • Annual Tax 153827
  • Association Yes
  • Elementary School Keybiscayne
  • Private Pool No
  • Listing Terms All Cash, Conventional
  • Waterfront Yes
  • Full Bathrooms 4
  • Subdivision GRAND BAY TOWER CONDO
  • Total Stories 14
  • Restrictions Ok To Lease
  • Maintenance Includes Common Area, Manager, Security, Sewer, Trash Removal, Water
  • Amenities Bike Storage, Community Room, Exercise Room, Pool
  • Parking 2 Or More Spaces, Guest, Valet, No Rv/Boats
  • Heating Electric
  • Structure Type Condo 5+ Stories, Condo
  • Tax Year 2024
  • Construction CBS Construction
  • Building Area 9600
  • Covered Spaces 0
  • Middle School Ponce De Leon
  • Unit Floor 14
  • View Bay, Ocean View, Direct Ocean
  • Year Built Details Resale
  • High School Coral Gables
  • Pets Allowed Yes
  • Unit Number PH-1AN
  • Inclusions Deeded Beach Access
  • Half Bathrooms 2
  • Flood Zone AE
  • Patio / Porch Open Balcony
  • New Construction No
  • Garage Spaces 0
  • Style Condo 5+ Stories
  • Association Fee 0
  • Lot Size (Sq Ft) 0
  • Membership Purchase Required No

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Christopher Lazaro

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