MIAMI LUXHomes

430 Grand Bay Dr # 708, Key Biscayne, FL 33149

$3,490,0003 Beds3 Baths2,840 Sq. Ft.$1,229 / sq. ft.

Key Biscayne, FL 33149 · Grand Bay Residences

Status
Active
Type
Condominium
Year Built
1999
Days on Market
72
MLS #
A12057740
County
Miami-Dade County

About 430 Grand Bay Dr # 708, Key Biscayne, FL 33149

Rare opportunity in one of Key Biscayne's most sought-after buildings. This corner residence offers sweeping views of Biscayne Bay and the Miami skyline, framed by 3 balconies throughout. The kitchen features top-of-the-line appliances, a center island and a sun-filled breakfast nook — a true chef's dream. Marble flooring flows through the expansive, open living and dining areas, ideal for entertaining, while rich dark wood grounds the bedrooms with warmth. 3 full bedrooms, 2 full baths, plus a maid's quarters with full bath. Generous walk-in closets throughout. A private entrance sets the tone the moment you arrive — your own island getaway, move-in ready.

How This Listing Compares in Key Biscayne

Per square foot, it is asking 29% above the Key Biscayne median for sales closed over the last twelve months — typical of premium views, newer construction or a top-tier building.

This homeKey Biscayne median (12 mo)
Price per sq. ft.$1,229$956
3-bedroom price$3,490,000$2,500,000
Days on market7260

Medians from closed MLS sales in Key Biscayne; a starting point, not an appraisal.

Home Features at 430 Grand Bay Dr # 708, Key Biscayne, FL 33149

Bathrooms Full
3
Bathrooms Half
0
Interior Features
Lobby, Built-in Features, Closet Cabinetry, Entrance Foyer, Split Bedroom, Walk-In Closet(s), Maid/In-Law Quarters, Storage
Appliances
Dishwasher, Disposal, Dryer, Microwave, Refrigerator, Wall Oven, Washer
Flooring
Tile, Wood
Heating
Central
Cooling
Central Air
Architectural Style
High Rise
Garage Spaces
1
Attached Garage
Yes
Parking Features
1 Space, Guest, Valet
Pool Private
No
Year Built Details
Resale

The Building at 430 Grand Bay Dr # 708, Key Biscayne, FL 33149

Building Name
GRAND BAY
Building Area Total
2840
Building Area Units
Square Feet
Stories Total
12
Entry Level
7
Association
Yes
Association Fee
$3,200
Association Fee Frequency
Monthly
Association Amenities
Bike Storage, Community Room, Elevator(s), Exercise Room, Pool, Trash Chute
Security Features
Doorman, Elevator Secure, Guard At Site, Lobby Secured

Lot, Views & Construction at 430 Grand Bay Dr # 708, Key Biscayne, FL 33149

Lot Size Square Feet
0
Waterfront
Yes
Waterfront Features
Ocean Access, Ocean Front
View
Bay, Skyline
Construction Materials
Concrete Block Construction
Exterior Features
Open Balcony
New Construction
No

Taxes & Public Record for 430 Grand Bay Dr # 708, Key Biscayne, FL 33149

Parcel Number
24-52-05-060-0830
Tax Annual Amount
$24,825
Tax Year
2,025
Tax Legal Description
GRAND BAY TOWER CONDO UNIT 708 UNDIV 0.8037% INT IN COMMON ELEMENTS OFF REC 18893-1027 OR 18915-4362 1299 2
County Or Parish
Miami-Dade County

Assigned Schools for 430 Grand Bay Dr # 708, Key Biscayne, FL 33149

Elementary School
Keybiscayne
High School
Mast Academy

School assignments are provided by the listing and should be independently verified.

Map & Neighborhood

430 Grand Bay Dr # 708, Key Biscayne, FL 33149 · More homes in Key Biscayne

Courtesy of Coldwell Banker Realty

Comparable Listings in Key Biscayne

430 Grand Bay Dr # 708, Key Biscayne, FL 33149 at a Glance

Offered for sale in Key Biscayne 33149, 430 Grand Bay Dr # 708 is a condo with 3 bedrooms, 3 bathrooms, about 2,840 square feet of living space, dating to 1999. The asking price is $3,490,000, on the market since July 22, 2026, with Coldwell Banker Realty as the listing brokerage. Students here are assigned to Keybiscayne and Mast Academy. Ask Matthew Gromadzki for a private showing, the full disclosure package, or comparable sales before you make an offer.