Premier Brokers International
430 Grand Bay Drive 801, Key Biscayne, FL 33149
ActiveMLS listing sourceMIAMI REALTORS® MLS
ActiveMLS® A11973615
$6,900,000

430 Grand Bay Drive 801, Key Biscayne, FL 33149

Beds
2
Baths
4
Sqft
3,950
Est. payment$54,583/mo
Home type
Condominium
Year built
1999
Lot size
—
Price / sqft
$1,747
HOA
$4,398/mo
Community
GRAND BAY TOWER CONDO

Property description

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.

Listing activity

Days on market
219
Listed
Mar 18, 2026
MLS listing updated
Sep 9, 2026
Feed last checked
9 minutes ago

Listed by Adriana Vollmer · Coldwell Banker Realty

Map

Map location is based on MLS-supplied coordinates. Verify the location before relying on it.

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms
2
Bathrooms
4
Bathrooms (decimal)
3.5
Full bathrooms
3
Half bathrooms
1

Rooms & features

Rooms
3
Interior features
Closet Cabinetry, Entrance Foyer, Kitchen Island, Storage, Walk-In Closet(s)
Appliances
Electric Water Heater, Dishwasher, Disposal, Dryer, Electric Range, Microwave, Refrigerator
Laundry
Laundry Tub

Heating & cooling

Heating
Electric
Cooling
Central Air
Property

Parking

Garage spaces
2
Garage
Yes
Covered spaces
2
Parking features
Valet
Attached garage
No

Exterior

Stories
13
Building area
3,950 sqft
Exterior features
Balcony
View
Ocean, Direct Ocean
Waterfront
No Fixed Bridge, Ocean Access, Ocean
Waterfront property
Yes
Construction

Type & style

Home type
Condominium
Year built
1999
New construction
No

Materials

Construction
CBS
Property condition
Updated/Remodeled, Resale
Faces
East
Utilities & green energy

Utilities

Electric
Circuit Breakers
Community & HOA

Community

Subdivision
GRAND BAY TOWER CONDO
MLS area
2420
Security
Fire Sprinkler System, Key Card Entry, Lobby - Attended, Security System
Pets allowed
Pet Restrictions Possible, Yes
55+ community
Yes

Association

Has association
Yes
Association fee
$4,398 monthly
Estimated monthly dues
$4,398
Amenities
Maintenance, Pool, Bike Storage, Fitness Center, Heated Pool, Lobby
Services included
Pool Service, Common Areas
Lease details

Not reported by the listing source.

Location

Area details

City
Key Biscayne
County
Miami-Dade
ZIP code
33149
Manufactured home details

Not reported by the listing source.

Financial & listing details

Listing

MLS number
A11973615
Possession
Negotiable
Original list price
$6,900,000
Parcel number
2452050600080
Annual property tax
$131,192
Tax year
2025
Tax legal description
GRAND BAY TOWER CONDO UNIT 801 UNDIV 1.1336% INT IN COMMON ELEMENTS OFF REC 18893-1027 OR 19027-4202 0300 1
Additional MLS details

Reported by the listing source

Association Amenities
Maintenance, Pool, Bike Storage, Fitness Center, Heated Pool, Lobby
Association Fee Frequency
Monthly
Association Fee Includes
Pool Service, Common Areas
Association
Yes
Bathrooms Total Decimal
3.5
Bathrooms Total Integer
4
Building Area Total
3950
Construction Materials
CBS
County Or Parish
Miami-Dade
Days On Market
219
Direction Faces
East
Elementary School
Key Biscayne K-8
High School
Coral Gables
Laundry Features
Laundry Tub
List Price
6900000
Listing Contract Date
2026-03-18
Living Area
3950
MLSArea Major
2420
Middle Or Junior School
Ponce De Leon
Mls Status
Active
On Market Date
2026-03-18
Photos Count
28
Postal Code
33149
Property Sub Type
Condominium
Property Type
Residential
Rooms Total
3
Security Features
Fire Sprinkler System, Key Card Entry, Lobby - Attended, Security System
Senior Community
Yes
Standard Status
Active
State Or Province
FL
Status Change Timestamp
2026-03-18T04:00:00Z
Stories Total
13
Subdivision Name
GRAND BAY TOWER CONDO
Waterfront Features
No Fixed Bridge, Ocean Access, Ocean
Tax Annual Amount
131192
Bathrooms Full
3
Bedrooms Total
2
Bathrooms Half
1
General Property Information: Senior Community
Yes
Financial Information: Estimated Monthly Assoc Recurring Fee
4398

Market value

Automated estimate—No licensed valuation source connected
Estimated sales range—Ask Karim for a local market analysis
Estimated rent—No licensed rental valuation source connected

Price history

DateEventPrice
Mar 18, 2026ListedMIAMI REALTORS® MLS$6,900,000$1,747/sqft

Public tax history

YearProperty taxesAssessment
2025$131,192—

Payment calculator

Estimated monthly payment$54,583/moIllustrative estimate, not a loan offer.
Principal & interest
$35,803
Property taxes
$10,933
Insurance
$3,450
Association dues
$4,398

Live national rate context is displayed below through Mortgage News Daily’s official widget. The calculator rate remains a separate assumption until licensed machine-readable access is connected. This is not a loan offer.

Neighborhood

Area

GRAND BAY TOWER CONDO

Key Biscayne · Miami-Dade County · 33149

Climate risk

—

No licensed climate-risk source is connected.

Nearby schools

Key Biscayne K-8Elementary
—
Ponce De LeonMiddle
—
Coral GablesHigh
—
School names and districts are MLS-reported when available. Verify attendance boundaries with the school district. Ratings require a licensed ratings provider.

Nearby homes

12 homes

Similar homes

12 homes
MLS listing source

MIAMI REALTORS® MLS · Listing courtesy of Coldwell Banker Realty. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc. IDX information is provided exclusively for consumers’ personal, non-commercial use and may be used only to identify prospective properties they may be interested in purchasing or leasing. Terms of use · Equal Housing Opportunity.