
430 Grand Bay Dr # 708, Key Biscayne, FL 33149
Key Biscayne, FL 33149 · Grand Bay Residences
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 home | Key Biscayne median (12 mo) | |
|---|---|---|
| Price per sq. ft. | $1,229 | $956 |
| 3-bedroom price | $3,490,000 | $2,500,000 |
| Days on market | 72 | 60 |
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
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.