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Grand Bay Tower Condos Sold

Ultra Luxury
Ultra LuxuryAbove $1,000 per SqFt
High-End$650 - $1,000 per SqFt
Mid-Tier$400 - $650 per SqFt
Premium$300 - $400 per SqFt
Entry-LevelBelow $300 per SqFt
High-Rise
Building with 13+ floors or above
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Market Action
Selling Speed
Slow
2
Inventory Supply
High
50
Sales Activity
Steady
0.8
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Results 10 of 39
Grand Bay Tower, 430 Grand Bay Dr #502, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #502, Key Biscayne, Florida 33149, image 2
Grand Bay Tower, 430 Grand Bay Dr #502, Key Biscayne, Florida 33149, image 3
$3,350,000600K
  • 5 Beds
  • 51/2 Baths
  • 3,950 SqFt
  • $848/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #502, Key Biscayne, FL 33149
Most motivated seller. Reduced by $1.5m! And priced well under market. Enjoy endless water views from this magnificent corner unit with 3, 950 sf facing directly the ocean. Unit features private elevator entrance, surround sound system, smart home creston system, 4 suite bedrooms all with walk in closets and 5 full bathrooms, marble floors throughout, all impact windows and doors, 3 spacious balconies with water views. Exquisitely maintained building offering free valet parking, oversized heated swimming pool and jacuzzi, tennis court and gym.
Grand Bay Tower, 430 Grand Bay Dr #401, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #401, Key Biscayne, Florida 33149, image 2
$5,900,000
  • 3 Beds
  • 51/2 Baths
  • 3,950 SqFt
  • $1,494/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #401, Key Biscayne, FL 33149
Experience luxurious beachfront living at its finest with the grand bay tower's desirable corner unit. This spacious 3-bedroom, 5.5-bathroom plus large den unit spans over 3, 950 sq/ft and features breathtaking ocean views from its large balconies. With a grand foyer, private elevator, marble floors in living areas, wood floors in bedrooms, top-of-the-line appliances, and a full-service building with top-notch amenities, including a state-of-the-art fitness center, stunning pool area, and 24-hour security, this unit offers the perfect blend of elegance and convenience. Located in one of the most coveted neighborhoods in the area, just steps away from the beach, next to the ritz carlton hotel, and premier restaurants, the grand bay tower is the ultimate oasis in the heart of key biscayne.
Grand Bay Tower, 430 Grand Bay Dr #101, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #101, Key Biscayne, Florida 33149, image 2
$5,975,000
  • 3 Beds
  • 51/2 Baths
  • 3,950 SqFt
  • $1,513/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #101, Key Biscayne, FL 33149
The best of both worlds—this one-of-a-kind lanai residence offers the space and feel of a house within a full-service condominium. Featuring an oversized terrace of over 2, 000 sq. Ft. Just steps from the pristine beach and pool, it’s perfect for entertaining or a safe space for children to play. Spanning 3, 950 sq. Ft. Under a/c, it boasts 4 en-suite bedrooms, including a spacious master suite with his-and-her bathrooms, plus 5.5 baths. Located in the island paradise of key biscayne, this full-service building offers valet, concierge, a gym, and more. The thoughtfully designed layout includes spacious living, dining, and family areas, plus a kitchen overlooking the terrace, seamlessly blending indoor and outdoor living. This is a true gem!
Pending
Grand Bay Tower, 430 Grand Bay Dr #1103, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #1103, Key Biscayne, Florida 33149, image 2
Grand Bay Tower, 430 Grand Bay Dr #1103, Key Biscayne, Florida 33149, image 3
$6,850,000
  • 3 Beds
  • 31/2 Baths
  • 3,630 SqFt
  • $1,887/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #1103, Key Biscayne, FL 33149
A truly exceptional opportunity at grand bay tower. This extraordinary residence showcases one of the building’s most unique and highly sought-after floor plans (03 line), a rare offering that combines elegance, comfort, and breathtaking views in perfect harmony. Perched on the 11th floor, the residence enjoys spectacular panoramic vistas of the atlantic ocean, biscayne bay, and the miami skyline. Two expansive terraces invite you to experience both sunrise and sunset, while enjoying refreshing ocean breezes and seamless indoor-outdoor living. Impeccably maintained and flooded with natural light, this sophisticated home offers 3 spacious en-suite bedrooms, a powder room, and a spectacular den that serves as a private retreat and truly elevates the living experience. Thoughtfully designed throughout, the residence exudes warmth, character, and a sense of comfort rarely found in condominium living. Located just steps from the beach and within walking distance of restaurants, cafés, and shops, this exceptional residence offers the perfect blend of luxury, sophistication, and convenience. More than just an apartment, it is a place with soul…a true home in one of key biscayne’s most desirable addresses.
Grand Bay Tower, 430 Grand Bay Dr #PH-1AN, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #PH-1AN, Key Biscayne, Florida 33149, image 2
$33,900,000
  • 5 Beds
  • 51/2 Baths
  • 9,600 SqFt
  • $3,531/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #PH-1AN, Key Biscayne, FL 33149
Welcome to your private paradise in key biscayne. This extraordinary penthouse, combining two residences on the north-east and south-east corners, offers an unparalleled living experience. Designed by renowned geoffrey bradfield, known as the "billionaire's designer, " this home epitomizes luxury and sophistication. Spanning 13, 630 sq. Ft. With 10, 421 sq. Ft. Under air and 3, 000+ sq. Ft. Of terraces, it boasts 100 feet of oceanfront with breathtaking sunrises and sunsets. The grand layout includes a formal dining area, chef’s kitchen, four en-suite bedrooms, private offices, staff rooms, and custom closets. With soaring ceilings and exquisite design, this penthouse redefines luxury living.
Grand Bay Tower, 430 S Grand Bay Dr #505, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 S Grand Bay Dr #505, Key Biscayne, Florida 33149, image 2
Grand Bay Tower, 430 S Grand Bay Dr #505, Key Biscayne, Florida 33149, image 3
$4,017,400
  • 3 Beds
  • 31/2 Baths
  • 2,930 SqFt
  • $1,371/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 S Grand Bay Dr #505, Key Biscayne, FL 33149
This newly renovated apartment at the grand bay tower in key biscayne offers stunning ocean and garden views. With 3 bedrooms, a den, and 3.5 bathrooms, this spacious unit provides plenty of room for relaxation and entertaining. The european open kitchen concept features top-of-the-line appliances, making it a dream for any chef. Wood floors throughout the apartment create a warm and inviting atmosphere, while marble floors in the bathrooms add a touch of luxury. Excellent amenities, including beach access, a pool, and a fitness center. The building also offers a 24-hour concierge service for added convenience and security. Close proximity to the ritz tennis and paddle courts, as well as the ritz hotel. Unfurnished or partially furnished. Rented until 3/30/2028
Grand Bay Tower, 430 Grand Bay Dr #401, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #401, Key Biscayne, Florida 33149, image 2
$5,900,000
  • 3 Beds
  • 51/2 Baths
  • 3,950 SqFt
  • $1,494/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #401, Key Biscayne, FL 33149
Experience luxurious beachfront living at its finest with the grand bay tower's desirable corner unit. This spacious 3-bd, 5.5 br plus large den unit spans over 3950 sq/ft and features breathtaking ocean views from its large balconies. With a grand foyer, private elevator, marble floors in living areas, wood floors in bedrooms, top-of-the-line appliances, and a full-service building with top-notch amenities, including a state-of-the-art fitness center, stunning pool area, and 24-hour security, this unit offers the perfect blend of elegance and convenience. Located in one of the most coveted neighborhoods in the area, just steps away from the beach, next to the ritz carlton hotel, and restaurants. The grand bay tower is the ultimate oasis in the heart of key biscayne.
Grand Bay Tower, 430 Grand Bay Dr #606, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #606, Key Biscayne, Florida 33149, image 2
$3,650,000
  • 3 Beds
  • 31/2 Baths
  • 2,930 SqFt
  • $1,246/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #606, Key Biscayne, FL 33149
The generously sized 4/4 unit, measuring an impressive 2, 930 sf, with ocean views, presents a grand living area with formal dining, an oversized master suite with his and her closets, private balconies, a large laundry room with service (elevator) entry, and expansive windows throughout that provide a picturesque view of the miami downtown skyline and the beach. Each of the 4 bedrooms come with its own en-suite bathroom, ensuring utmost convenience and privacy for all. Sharing a beautifully curated gated community with the ritz carlton, grand bay residences offers pristine pools, a tennis club, paddle courts, first class gym, spa, gardens and top chef restaurants. The building also offers concierge, and beach service, valet parking and more. Furniture is available upon request.
Grand Bay Tower, 430 Grand Bay Dr #PH-1AN, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #PH-1AN, Key Biscayne, Florida 33149, image 2
Grand Bay Tower, 430 Grand Bay Dr #PH-1AN, Key Biscayne, Florida 33149, image 3
$26,000,0008M
  • 4 Beds
  • 42/2 Baths
  • 9,600 SqFt
  • $2,708/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #PH-1AN, Key Biscayne, FL 33149
Dominating the key biscayne skyline, this geoffrey bradfield–designed penthouse is a rare display of power, prestige, and absolute luxury. Encompassing 13, 630 sq. Ft. With 10, 421 sq. Ft. Under air and 3, 000+ sq. Ft. Of oceanfront terraces, it commands 100 feet of unobstructed beachfront with sweeping sunrise and sunset views. Directly adjacent, the $100m+ newly reimagined ritz-carlton and its brand-new beach club sit at your footsteps, elevating exclusivity to a world-class level. Inside, soaring ceilings showcase a showpiece chef’s kitchen, grand dining, four-private en-suites, a refined executive office, staff quarters, and couture-caliber closets. Includes five premium parking spaces and five oversized private storage cages. A true trophy residence at the apex of coastal luxury.
Grand Bay Tower, 430 Grand Bay Dr #PH-1AN, Key Biscayne, Florida 33149, image 1
Grand Bay Tower, 430 Grand Bay Dr #PH-1AN, Key Biscayne, Florida 33149, image 2
$33,900,000
  • 5 Beds
  • 51/2 Baths
  • 9,600 SqFt
  • $3,531/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #PH-1AN, Key Biscayne, FL 33149
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.
1 - 10 of 39 Results

Subdivision Amenities

Beach Rights
Bike Storage
Clubhouse
Controlled Access
Elevators
Fitness Center
Guard
Hobby Room
Maintenance
Management
Playground
Pool
Sauna
Security
Storage
Trash

HOA Cost Benchmark

$0.89 / Sq.Ft.

Monthly ownership cost
1%below peers
1%above city avg
This Community
$0.89
Comparable Ultra Luxury Avg
$0.90
Key Biscayne, FL Avg
$0.88
$0.00
$0.63
$1.25
Lower than peers, higher than the city average
Peer Set · 15 comparable communities
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Nearby Subdivisions

High-End
0.08 miles
For Sale (2)
$2.5M - $18.9M
For Rent (1)
$10K - $10K
Ultra Luxury
0.09 miles
For Sale (1)
$1.1M - $1.1M
Ultra Luxury
0.10 miles
For Sale (6)
$3.7M - $17.9M
For Rent (9)
$18K - $32K
High-End
0.16 miles
For Rent (1)
$27K - $27K
Mid-Tier
0.19 miles
For Sale (1)
$720K - $720K

Schools

Scores

Walk Score®
Somewhat Walkable. Some errands can be accomplished on foot
52

100
Bike Score®
Bikeable. Some bike infrastructure
52

100
Sound Score®
Bearable noise
84

100
Airport Score
Close to airports. Noticeable airport activity
0

100
Traffic Score
Congested area. Frequent traffic delays
20

100
Local Score
Limited local amenities nearby
0

100

Grand Bay Communities in Key Biscayne, FL

Community Residences

Stack/LineFloor
Bed/Bath
Size SqFt
ExposureView
011‑125.5/33,950
East
Southeast
Ocean
Water
Pool
Garden
022‑125.5/33,950
East
Ocean
032‑125.5/33,630
Northeast
Ocean
City
042‑126.5/43,680
South
Ocean
Water
Pool
053‑123.5/32,930
East
Ocean
063‑123.5/32,930
North
City
Water
073‑124/32,840
Southeast
Garden
Ocean
083‑124.5/32,840
Northeast
North
Ocean
Bay
Garden
Stack/Line: 01
Floor: 1‑12
Bed/Bath: 5.5/3
Size SqFt: 3,950
Exposure:
East
Southeast
View:
Ocean
Water
Pool
Garden
Stack/Line: 02
Floor: 2‑12
Bed/Bath: 5.5/3
Size SqFt: 3,950
Exposure:
East
View:
Ocean
Stack/Line: 03
Floor: 2‑12
Bed/Bath: 5.5/3
Size SqFt: 3,630
Exposure:
Northeast
View:
Ocean
City
Stack/Line: 04
Floor: 2‑12
Bed/Bath: 6.5/4
Size SqFt: 3,680
Exposure:
South
View:
Ocean
Water
Pool
Stack/Line: 05
Floor: 3‑12
Bed/Bath: 3.5/3
Size SqFt: 2,930
Exposure:
East
View:
Ocean
Stack/Line: 06
Floor: 3‑12
Bed/Bath: 3.5/3
Size SqFt: 2,930
Exposure:
North
View:
City
Water
Stack/Line: 07
Floor: 3‑12
Bed/Bath: 4/3
Size SqFt: 2,840
Exposure:
Southeast
View:
Garden
Ocean
Stack/Line: 08
Floor: 3‑12
Bed/Bath: 4.5/3
Size SqFt: 2,840
Exposure:
Northeast
North
View:
Ocean
Bay
Garden

Penthouses & Tower Suites

Stack/LineFloor
Bed/Bath
Size SqFt
ExposureView
PH1ANPH5.5/59,600
Bay
Ocean
PH1CSPH‑/‑3,680
PH1DNPH‑/‑2,930
PH1DSPH‑/‑2,930
PH1ESPH‑/‑4,420
PH2ANPH‑/‑5,350
PH2ASPH‑/‑5,350
PH2CSPH‑/‑3,680
PH2DNPH‑/‑2,930
PH2DSPH3.5/32,930
Ocean
Stack/Line: PH1AN
Floor: PH
Bed/Bath: 5.5/5
Size SqFt: 9,600
Exposure:
View:
Bay
Ocean
Stack/Line: PH1CS
Floor: PH
Bed/Bath: ‑/‑
Size SqFt: 3,680
Exposure:
View:
Stack/Line: PH1DN
Floor: PH
Bed/Bath: ‑/‑
Size SqFt: 2,930
Exposure:
View:
Stack/Line: PH1DS
Floor: PH
Bed/Bath: ‑/‑
Size SqFt: 2,930
Exposure:
View:
Stack/Line: PH1ES
Floor: PH
Bed/Bath: ‑/‑
Size SqFt: 4,420
Exposure:
View:
Stack/Line: PH2AN
Floor: PH
Bed/Bath: ‑/‑
Size SqFt: 5,350
Exposure:
View:
Stack/Line: PH2AS
Floor: PH
Bed/Bath: ‑/‑
Size SqFt: 5,350
Exposure:
View:
Stack/Line: PH2CS
Floor: PH
Bed/Bath: ‑/‑
Size SqFt: 3,680
Exposure:
View:
Stack/Line: PH2DN
Floor: PH
Bed/Bath: ‑/‑
Size SqFt: 2,930
Exposure:
View:
Stack/Line: PH2DS
Floor: PH
Bed/Bath: 3.5/3
Size SqFt: 2,930
Exposure:
View:
Ocean

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