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Grand Bay Condos For Sale

Ultra Luxury
Ultra Luxury — Above $1,000 per SqFt
High-End — $650 - $1,000 per SqFt
Mid-Tier — $400 - $650 per SqFt
Premium — $300 - $400 per SqFt
Entry-Level — Below $300 per SqFt
Rank (0)
Reviews (
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Market Action
Selling Speed
Slow
5.5
Inventory Supply
High
18.18
Sales Activity
Steady
1.39
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Results 6 of 6
Grand Bay Estates, 24 Grand Bay Estates Cir, Key Biscayne, Florida 33149, image 1
$4,899,000$351K
  • 5 Beds
  • 51/2 Baths
  • 4,220 SqFt
  • $1,161/SqFt
Ultra Luxury
House for sale in Grand Bay Estates
24 Grand Bay Estates Cir, Key Biscayne, FL 33149
Experience island living at its best in this renovated 4, 220sf estate within grand bay estates, key biscayne's only guard-gated single-family enclave! This 5br/5.5ba home features a 2021 roof, new tankless water heaters, new ac units and full storm protection! The kitchen shines with quartz counters & sub-zero, wolf, & miele appliances, plus a dual-zone sub-zero wine fridge. The versatile layout includes all en-suite bedrooms, staff quarters, & private in-law suite with its own entrance. A rare find for key biscayne is the climate controlled 2-car garage plus golf cart garage. The backyard oasis offers a heated saltwater pool, summer kitchen & retractable awning, perfect for entertaining! Hoa covers lawn care, 24hr security, pool maintenance, pest control, plus private park & playground! For the ultimate experience in luxury and privacy, look no further!
Grand Bay Residences, 445 Grand Bay Dr #104, Key Biscayne, Florida 33149, image 1
$3,950,000
  • 4 Beds
  • 41/2 Baths
  • 3,250 SqFt
  • $1,215/SqFt
High-End
Condo for sale in Grand Bay Residences
445 Grand Bay Dr #104, Key Biscayne, FL 33149
An exceptional corner lanai at grand bay residences, offering the space and privacy of a single-family home with the ease of full-service oceanfront living. This beautifully renovated 4-bedroom, 4.5-bath residence spans 3, 250 sf with bright, open interiors, expansive windows overlooking lush tropical greenery, and three generous private terraces. One terrace sits just steps from the pool and beach, creating a seamless setting for outdoor dining and entertaining. The state-of-the-art kitchen features sub-zero and wolf appliances, an oversized eat-in island, a breakfast area, and a versatile dining/family room. All four bedrooms are en suite, complemented by modern baths, abundant closet space, and elegant plantation shutters throughout. Enjoy tennis, pool, fitness facilities, attentive service, and 24-hour security within this gated key biscayne community on the newly renovated ritz-carlton grounds. A distinctive residence combining house-like proportions and privacy with the conveniences of luxury oceanfront living.
Grand Bay Tower, 430 Grand Bay Dr #708, Key Biscayne, Florida 33149, image 1
$3,490,000$200K
  • 3 Beds
  • 3 Baths
  • 2,840 SqFt
  • $1,229/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
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.
Grand Bay Tower, 430 Grand Bay Dr #606, Key Biscayne, Florida 33149, image 1
$3,900,000
  • 4 Beds
  • 4 Baths
  • 2,930 SqFt
  • $1,331/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.
Grand Bay Tower, 430 Grand Bay Dr #801, Key Biscayne, Florida 33149, image 1
$6,900,000
  • 2 Beds
  • 31/2 Baths
  • 3,950 SqFt
  • $1,747/SqFt
Ultra Luxury
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #801, Key Biscayne, FL 33149
Commanding breathtaking atlantic vistas from its privileged eighth-floor setting at grand bay tower, this residence is a rare offering on key biscayne. Enjoying an unusually private setting with unobstructed ocean views and minimal visibility from neighboring residences, the home offers a level of seclusion seldom found in oceanfront condominium living. Originally a three-bedroom, five-and-a-half-bath home, it has been masterfully reimagined into a grand two-bedroom, three-and-a-half-bath layout, enhancing scale and flow for refined entertaining and effortless daily living. Spanning approximately 3, 950 square feet, the living and dining areas, a cozy family room, and a bright kitchen with breakfast area are complemented by three terraces totaling approximately 595 square feet, seamlessly integrated to capture sweeping atlantic views from every room. Custom woodwork by renowned designer juan montoya enriches the interiors, while the serene primary suite offers a secluded sitting room, bespoke closets, and a spa-inspired bath, creating a private sanctuary within this singular home. The sale includes a private guest quarters—an increasingly rare and coveted amenity at grand bay—as well as two storage units. Combining exceptional scale, refined finishes, remarkable privacy, unobstructed atlantic views, and desirable ancillary spaces, this residence represents a unique opportunity within one of key biscayne’s most prestigious oceanfront buildings.
Grand Bay Residences, 445 Grand Bay Dr #PH-1A, Key Biscayne, Florida 33149, image 1
$18,900,000
  • 5 Beds
  • 51/2 Baths
  • 8,435 SqFt
  • $2,241/SqFt
High-End
Condo for sale in Grand Bay Residences
445 Grand Bay Dr #PH-1A, Key Biscayne, FL 33149
High above the turquoise waters of key biscayne rises a penthouse that simply cannot be replicated. Once featured in architectural digest, this legendary corner residence at grand bay is a statement of scale, design, and presence. From sunrise over the atlantic to glittering sunsets across biscayne bay and the miami skyline, the views are cinematic in every direction, offering endless blue water, golden light, and exceptional privacy. Spanning an extraordinary 8, 435 square feet under air and 2, 825 square feet of terraces, totaling 11, 260 square feet as per the developer’s floor plan, the residence is defined by soaring 12-foot ceilings and grand proportions throughout. A dramatic foyer leads to a spectacular grand room designed for both intimate living and large-scale entertaining. The formal dining room is separate and elegant, while the completely remodeled kitchen and family room provide comfort and functionality. The fully renovated private library and custom bar enhance the home’s entertaining appeal. The primary suite is serene and expansive. All the bathrooms have just been completely remodeled, offering a fresh spa-inspired experience finished to today’s highest standards. Four (4) additional en-suite bedrooms ensure comfort and privacy. The terraces offer expansive outdoor living in the sky, perfect for sunrise mornings and sunset evenings overlooking the water and skyline. This is not simply a penthouse. It is a landmark residence, rare and impossible to duplicate.

Subdivision Amenities

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

HOA Cost Benchmark

$0.76 / Sq.Ft.

Monthly ownership cost
↓21%below peers
↓15%below city avg
This Community
$0.76
Comparable Ultra Luxury Avg
$0.96
Key Biscayne, FL Avg
$0.89
$0.00
$0.63
$1.25
Lower than peers, lower than the city average
Peer Set · 14 comparable communities
See Cost Context

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Nearby Subdivisions

High-End
0.03 miles
For Sale (2)
$4M - $18.9M
Ultra Luxury
0.04 miles
For Sale (3)
$3.5M - $6.9M
Ultra Luxury
0.08 miles
For Sale (1)
$975K - $975K
High-End
0.13 miles
For Rent (1)
$27K - $27K
Ultra Luxury
0.14 miles
For Sale (6)
$3.5M - $17.9M
For Rent (10)
$18K - $32K

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
83

100
Airport Score
Close to airports. Noticeable airport activity
0

100
Traffic Score
Congested area. Frequent traffic delays
22

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

Key Biscayne
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