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
Subdivisions in Key Biscayne
- 155 SUNRISE CONDO
- 544-548 FERNWOOD CONDO
- BAHAMA HOUSE CONDO,Bahama House
- BAHAMA HOUSE SOUTH CONDO
- BAHIA MAR CONDO OF KEY BI
- BISCAYNE KEY ESTATES
- BLUE PELICAN CONDO
- CAPE FLA CLUB CONDO CLUST
- CAPE FLA SUB SEC 2
- CAPE FLORIDA CLIB CONDO P
- CAPE FLORIDA CLUB CONDO P
- CAPE FLORIDA CLUB CONDO P,CAPE FLORIDA CLUB
- CAPE FLORIDA SUB SEC 1
- CAPE FLORIDA SUB SEC 1,CAPE FLORIDA SUB
- CAPE FLORIDA SUB SEC 3
- CAPE FLORIDA SUB SEC 3,Village Estate
- CASA DEL MAR
- CASA DEL MAR CONDO
- CASA DEL MAR CONDO,CASA DEL MAR
- CAY POLYNESIA CONDO
- CLUB TOWER ONE CONDO
- CLUB TOWER ONE CONDO,Ocean Club
- CLUB TOWER ONE CONDO,THE OCEAN CLUB
- CLUB TOWER THREE CONDO
- CLUB TOWER TWO CONDO
- CLUB TOWER TWO CONDO,Ocean Club
- CLUB TOWER TWO CONDO,THE OCEAN CLUB
- COMMODORE CLUB SOUTH COND
- COMMODORE CLUB SOUTH COND,COMMODORE CLUB SOUTH
- COMMODORE CLUB WEST CONDO
- Crandon Tower Condo
- Fernwood Homes Condo
- G B VILLAS
- GALEN BREAKERS CONDO
- GALEN BREAKERS CONDOMINIU
- GALEN BREAKERS CONDOMINIU,GALEN BREAKERS CONDO
- Galen Drive Condo Apt
- GALEN DRIVE CONDO APTS
- GRAND BAY RESIDENCES COND
- GRAND BAY RESIDENCES COND,GRAND BAY
- GRAND BAY RESIDENCES COND,Grand Bay Residences
- GRAND BAY TOWER CONDO
- GRAND BAY TOWER CONDO,GRAND BAY TOWER COND
- GRAPETREE TOWNHOUSE CONDO
- HOLIDAY COLONY
- HURRICANE COVE
- INDIES CONDO
- ISLAND HOUSE
- ISLAND HOUSE APT INC – CO
- ISLAND HOUSE APT INC – CO,Island House Apt Inc
- KEY BISC AMBASSADOR CONDO
- KEY BISC AMBASSADOR CONDO,KEY BISC AMBASSADOR
- Key Biscayne Ambassador,KB Ambassador
- KEY BISCAYNE COMMODORE CL
- KEY BISCAYNE COMMODORE CL,COMMODORE CLUB ONE
- KEY BISCAYNE COMMODORE CL,Commodore East
- KEY BISCAYNE COMMODORE CL,KEY BISCAYNE COMMODO
- KEY BISCAYNE ONE HUNDRED
- KEY BISCAYNE VI CONDO
- KEY BISCAYNES COMMODORE C
- KEY BISCAYNES COMMODORE C,KEY BISCAYNES COMMOD
- KEY CASSA CONDOMINIUMS
- KEY COLONY CONDO #4
- KEY COLONY CONDO #4,KEY COLONY CONDO 4
- KEY COLONY NO 1
- KEY COLONY NO 1,KEY COLONOY 1
- KEY COLONY NO 1,Key Colony
- KEY COLONY NO 2 CONDO
- KEY COLONY NO 2 CONDO,KEY COLONY NO 2
- KEY COLONY NO 2 CONDO,KEY COLONY NO 2 COND
- KEY COLONY NO 4 CONDO
- KEY COLONY NO 4 CONDO,BOTANICA/FERNERY
- KEY COLONY NO 4 CONDO,KEY COLONY NO 4 COND
- KEY COLONY TIDEMARK
- KEY ISLANDER CONDO
- KEY ISLANDER CONDO,Key Islander Condo
- Key Islander Condominium,Key Islander Condomi
- KEY TOWNHOUSE CONDO
- LAKE TOWER CONDO
- LAKE TOWER CONDO,Lake Tower
- LAKE VILLA ONE CONDO,The Ocean Club
- LAKE VILLA THREE CONDO
- LAKE VILLA THREE CONDO,LAKE VILLA THREE CON
- LAKE VILLA TWO CONDO
- Le Phare Condo,Le phare
- LE PHARE KEY BISCAYNE CON
- Mar Azul,Mar Azul Condo
- MAR-AZUL CONDO
- MASHTA ISLAND
- MASHTA ISLAND A REPLAT OF
- MATHESON ESTATES
- MATHESON ESTATES,MATHESON STATES
- OCEAN DRIVE MANORS INC CO,OCEAN DRIVE MANORS I
- OCEAN LANE PLAZA CONDO
- OCEAN TOWER ONE CONDO
- OCEAN TOWER TWO CONDO
- OCEAN TOWER TWO CONDO,Ocean Club
- OCEAN TOWER TWO CONDO,THE OCEAN CLUB
- OCEAN VILLAGE CONDO
- OCEAN VILLAGE CONDO,OCEAN VILLAGE
- OCEAN VILLAGE CONDO,Ocean Village Condo
- OCEANA KEY BISCAYNE CONDO
- OCEANA KEY BISCAYNE CONDO,OCEANA
- OCEANA KEY BISCAYNE CONDO,OCEANA KEY BISCAYNE
- RESORT VILLA ONE CONDO
- RESORT VILLA ONE CONDO,RESORT VILLA ONE CON
- RESORT VILLA TWO CONDO
- RESORT VILLA TWO CONDO,RESORT VILLA TWO CON
- RESORT VILLA TWO CONDO,The Ocean Club
- SANDS OF KEY BISCAYNE CON
- SMUGGLERS COVE
- SOLIMAR CONDO OF KEY BISC
- SUNRISE CLUB CONDO
- SUNRISE CLUB CONDO,100 SUNRISE
- SUNRISE MANOR CONDO
- THE EMERALD BAY
- THE EMERALDBAY @ KEY COLO
- THE EMERALDBAY @ KEY COLO,KEY COLONY
- THE EMERALDBAY @ KEY COLO,THE EMERALD BAY
- THE EMERALDBAY @ KEY COLO,THE EMERALDBAY @ KEY
- THE EMERALDBAY @ KEY COLON
- THE EMERALDBAY KEY COLONY
- The Ocean Club
- THE PALMS OF KEY BISCAYNE
- THE PYRAMIDS @ KEY BISCAY
- TIDEMARK KEY COLONY NO 1,Key Colony
- TOWERS OF KEY BISCAYNE CO
- TOWERS OF KEY BISCAYNE CO,The Towers of Key Bi
- TOWERS OF KEY BISCAYNE CO,TOWERS OF KEY BISCAY
- TOWERS OF KEY BISCAYNE CON
- TROPICAL ISLE HOMES SUB
- TROPICAL ISLE HOMES SUB 1
- TROPICAL ISLE HOMES SUB 1,TROPICAL ISLE HOMES
- TROPICAL ISLE HOMES SUB 2
- TROPICAL ISLE HOMES SUB 2N
- TROPICAL ISLE HOMES SUB 3
- TROPICAL ISLE HOMES SUB 3,TROPICAL ISLE HOMES
- TROPICAL ISLE HOMES SUB 4
- TROPICAL ISLE HOMES SUB 4,TROPIAL ISLE HOMES
- VILLAHARBOUR APTS CONDO
Market Summary
Current real estate data for Condo in Key Biscayne as of Jul 28, 2026
113
Condo Listed
121
Avg DOM
1,194
Avg $ / SqFt
$2,843,798
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 $1,194. The average listing price for Condo in Key Biscayne is $2,843,798. To schedule a showing of MLS#a11989375 at 430 Grand Bay Dr # 307 in Key Biscayne, FL, contact your Julien Drieu agent at 7862380927.
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