#A11712845, Brigitte Nachtigall, Listing office: One Sotheby's International Realty
$33,900,000 List price
430 Grand Bay Dr Unit Ph-1An Key Biscayne, FL 33149
4 beds
4 full, 2 partial
10,421 sqft
$3,253 / sqft
Condo
Property details
About 430 Grand Bay Dr Unit Ph-1An
Welcome to your private paradise in Key Biscayne. This exceptional penthouse seamlessly merges two residences on the Northeast and Southeast corners, offering an unmatched living experience. Designed by the renowned Geoffrey Bradfield, celebrated as the "billionaire's designer," this home embodies sophistication and elegance. Spanning 13,630 sq. ft., with 10,421 sq. ft. under air and over 3,000 sq. ft. of terraces, it features 100 feet of oceanfront showcasing stunning sunrises and sunsets. Highlights include a formal living room, formal dining room, chef’s kitchen, four en-suite bedrooms, two private offices, two powder rooms, two staff rooms, a bar, and a family room. Just steps away from the beach, with soaring ceilings and exquisite design, this penthouse redefines luxury living.
Highlights
Home typeCondominium
HeatingElectric
StatusActive
CoolingElectric
Size10,421 sqft
Year built1999
ParkingGuest, Two or More Spaces, Valet
MLS #A11715395
WaterfrontOcean Access, Ocean Front
ViewBay, Ocean
Summary
- Partial Bathrooms: 2
- Full Bathrooms: 4
- Appliances: Oven, Dryer, Dishwasher, Electric Range, Electric Water Heater, Disposal, Microwave, Refrigerator, Washer
- Flooring Type: Ceramic Tile
- Interior: Bidet, Built-in Features, Breakfast Area, Closet Cabinetry, Dining Area, Separate/Formal Dining Room, Dual Sinks, Entrance Foyer, High Ceilings, Jetted Tub, Other, Sitting Area in Primary, Separate Shower, Walk-In Closet(s)
- Total Bedroom Count: 4
- Parking: Guest, Two or More Spaces, Valet
- Waterfront: Ocean Access, Ocean Front
- View: Bay, Ocean
- Exterior: Balcony
- Architectural Style: High Rise, Penthouse
- Heating: Electric
- Cooling: Electric
- List Price: $33,900,000
- Price/SqFt: $3,253
- HOA Amount: $0 Monthly
- Year Built: 1999
- Living Area: 10,421 SqFt
- MLS Number: A11715395
- MLS Name: SEFMIAMI
- Office Name: One Sotheby's International Realty
- Office Phone: (305) 365-2811
- Office Email: MLS@onesothebysrealty.com
- Listing Agent: Brigitte Nachtigall
© 2025 Miami Association of REALTORS®. All rights reserved. The data relating to real estate on this web site comes in part from the Internet Data Exchange program of the MLS of the Miami Association of REALTORS®. All information is deemed reliable but not guaranteed by the MLS and should be independently verified. The MLS, this broker and their affiliates provide all content therein “AS IS” and without any warranty, express or implied. The information included in this listing is provided exclusively 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. This property is offered without respect to any protected classes in accordance with the law.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 6/14/2025, 10:45:26 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
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Price information
Property sales
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Tax history
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Nearby schools
8
Key Biscayne K-8 Center
Public District PK-5
0.6 mi
•150 W McIntyre St
7
Southside Elementary School
Public Magnet PK-5
5.3 mi
•45 SW 13th St
7
Coral Way K-8 Center
Public District PK-5
5.6 mi
•1950 SW 13th Ave
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $119,595. The majority of Key Biscayne, FL residents have income $200k+ annually. Residents typically live in single, no kids family. The majority of residents in this area have post secondary degree education.
How much money do the neighbors make?
15%
<35k
30%
35k-100k
15%
100k-200k
40%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
Doctorate
What types of families live nearby?
34%
Single, No Kids
7%
Single, with Kids
33%
Married, No Kids
26%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
14%
<11 yrs old
8%
12-17 yrs old
10%
18-34 yrs old
47%
35-64 yrs old
21%
65+ yrs old
What do the neighbors do for fun?
Men's Tennis
PGA/LPGA
Skiing/snowboarding
Where do the neighbors shop?
Bloomingdales
Chico's
Nordstrom
Where do the neighbors go to eat?
Bonefish Grill
California Pizza Kitchen
Starbucks
What do the neighbors drive?
Lexus
Cadillac
BMW
What do the neighbors listen to?
News
Classical
Talk/Personality
All data provided by Home Junction and Claritas
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Frequently asked questions
About 430 Grand Bay Dr Unit Ph-1An
The listing price of 430 Grand Bay Dr Unit Ph-1An property is $33,900,000.
The property 430 Grand Bay Dr Unit Ph-1An is a condo located in Key Biscayne, Florida, 33149.
Active Listing: 430 Grand Bay Dr Unit Ph-1An is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 430 Grand Bay Dr Unit Ph-1An are: Key Biscayne K-8 Center (GreatSchools Rating 8/10), Southside Elementary School (GreatSchools Rating 7/10), Coral Way K-8 Center (GreatSchools Rating 7/10), Shenandoah Middle School (GreatSchools Rating 5/10), Ada Merritt K-8 Center (GreatSchools Rating 10/10), Mater Grove Academy (GreatSchools Rating 7/10), Mast Academy (GreatSchools Rating 10/10), New World School of the Arts (GreatSchools Rating 9/10), School for Advanced Studies-Wolfson (GreatSchools Rating 10/10).
The property at 430 Grand Bay Dr Unit Ph-1An has 4 bedrooms and 4 full and 2 half bathrooms.
The property 430 Grand Bay Dr Unit Ph-1An is 10,421 SqFt (source: MLS/tax record).
The year of construction for 430 Grand Bay Dr Unit Ph-1An is 1999.
This home is located at 430 Grand Bay Dr Unit Ph-1An in Key Biscayne, FL and zip code 33149. This 10,421 square foot home was built in 1999. Features: 4 bedrooms, 6 bathrooms. It has been listed on Rocket Homes since January 6, 2025 and is currently priced at $33,900,000.
While more than 1 listings in Key Biscayne, FL in May 2025 were sold above asking price, there were more than 0 listings sold at asking price, and more than 12 were sold below. The inventory of homes for sale in Key Biscayne, FL between April and May 2025 increased by 1.5%. While the average time on the market in May 2025 was 112 days, the median list price was $1,395,000.
From Rocket Homes Real Estate and based on county public records data.