Step off your private elevator into your own foyer and feel instantly at home. This updated, light-filled 3BR + maid’s quarters / 4BA offers a wonderfully functional layout – open living and dining area, family room, and a partially open kitchen with snack counter, all flowing to a spacious garden terrace with peaceful green views. Three full ensuite bedrooms. The primary suite is bright and spacious with its own private balcony. Impact windows throughout. Move-in ready. Boutique building. Enjoy Grand Bay’s five-star amenities: beach service, pool, fitness center, concierge, valet, tennis and padel courts, and more – all steps from the Ritz-Carlton! Island living at its finest.
Property Details
Price:
$3,400,000
MLS #:
A11989375
Status:
Active
Beds:
3
Baths:
4
Type:
Condo
Subtype:
Condominium
Subdivision:
GRAND BAY TOWER CONDO
Neighborhood:
grandbaytowercondo
Listed Date:
Mar 25, 2026
Finished Sq Ft:
2,840
Total Sq Ft:
2,840
Year Built:
1999
See this Listing
Schools
Elementary School:
Keybiscayne
Middle School:
Ponce De Leon
High School:
Coral Gables
Interior
Appliances
Dishwasher, Disposal, Dryer, Ice Maker, Microwave, Electric Range, Refrigerator, Washer
Bathrooms
4 Full Bathrooms
Cooling
Central Air
Flooring
Carpet, Marble
Heating
Central
Interior Features
Lobby, First Floor Entry, Built-in Features, Closet Cabinetry, Cooking Island, Entrance Foyer, Roman Tub, Stacked Bedroom, Family Room, Maid/In-Law Quarters, Utility Room/Laundry
Laundry Features
Utility Room/Laundry
Exterior
Architectural Style
Corner Unit, High Rise
Association Amenities
Barbecue, Bike Storage, Clubhouse-Clubroom, Elevator(s), Exercise Room, Other Membership Available, Pool, Tennis Court(s)
Attached Garage YN
1
Construction Materials
CBS Construction
Covered Spaces
1
Exterior Features
Open Balcony
Garage Spaces
1
Parking Features
1 Space, Assigned, Valet
Patio And Porch Features
Open Balcony
Security Features
Complex Fenced, Card Entry, Lobby Secured
View
Garden View
Waterfront Features
Ocean Front
Window Features
Clear Impact Glass, Blinds, High Impact Windows
Financial
HOA Fee
$3,118
HOA Fee Frequency
Monthly
Tax Year
2025
Taxes
$34,752
Map
Community
- Address430 Grand Bay Dr # 307 Key Biscayne FL
- SubdivisionGRAND BAY TOWER CONDO
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Market Summary
Current real estate data for Condo in Key Biscayne as of Apr 28, 2026
132
Condo Listed
104
Avg DOM
1,142
Avg $ / SqFt
$2,642,085
Avg List Price
Property Summary
- Located in the GRAND BAY TOWER CONDO subdivision, 430 Grand Bay Dr # 307 Key Biscayne FL is a Condo for sale in Key Biscayne, FL, 33149. It is listed for $3,400,000 and features 3 beds, 4 baths, and has approximately 2,840 square feet of living space, and was originally constructed in 1999. The current price per square foot is $1,197. The average price per square foot for Condo listings in Key Biscayne is $1,142. The average listing price for Condo in Key Biscayne is $2,642,085.
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430 Grand Bay Dr # 307
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