Premier Brokers International
445 Grand Bay Drive 104, Key Biscayne, FL 33149
ActiveMLS listing sourceMIAMI REALTORS® MLS
ActiveMLS® A12091392
$3,950,000

445 Grand Bay Drive 104, Key Biscayne, FL 33149

Beds
4
Baths
5
Sqft
3,250
Est. payment$29,549/mo
Home type
Condominium
Year built
1996
Lot size
—
Price / sqft
$1,215
HOA
$3,888/mo
Community
GRAND BAY RESIDENCES COND

Property description

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.

Listing activity

Days on market
3
Listed
Sep 21, 2026
MLS listing updated
Sep 24, 2026
Feed last checked
4 minutes ago

Listed by Cristina Nicole Diez · Compass Florida, LLC.

Map

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

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms
4
Bathrooms
5
Bathrooms (decimal)
4.5
Full bathrooms
4
Half bathrooms
1

Rooms & features

Rooms
3
Interior features
Closet Cabinetry, Kitchen Island, Storage
Flooring
Tile
Appliances
Dishwasher, Disposal, Dryer, Electric Range, Microwave, Refrigerator, Washer
Furnished
Unfurnished
Window features
Plantation Shutters

Heating & cooling

Heating
Central, Electric
Cooling
Central Air
Property

Parking

Garage spaces
2
Garage
Yes
Carport spaces
0
Covered spaces
2
Parking features
Attached, Attached Garage, Garage, Valet
Attached garage
Yes

Exterior

Stories
12
Building area
3,250 sqft
Entry level
1
Patio & porch
Patio
Exterior features
Balcony, Tennis Court(s)
View
Garden, Pool
Waterfront
None, Ocean Access
Waterfront property
Yes
Construction

Type & style

Home type
Condominium
Year built
1996
New construction
No

Materials

Construction
CBS
Property condition
Resale
Faces
East
Utilities & green energy

Not reported by the listing source.

Community & HOA

Community

Subdivision
GRAND BAY RESIDENCES COND
MLS area
2520
Security
Fire Sprinkler System, Security Guard, Security Patrol, Security System
Pets allowed
Yes
55+ community
No

Association

Has association
Yes
Association fee
$3,888 monthly
Estimated monthly dues
$3,888
Amenities
Maintenance, Pool, Fitness Center, Kitchen Facilities, Parking, Playground, Other
Services included
Recreation Facility, Pool Service, Common Areas, Elevator, Maintenance Grounds, Maintenance Structure, Pest Control, Reserve Funds, Roof Repairs, Sewer, Trash, Water
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
A12091392
Possession
Negotiable
Original list price
$3,950,000
Parcel number
2452050490040
Annual property tax
$38,282
Tax year
2025
Tax legal description
GRAND BAY RESIDENCES CONDO UNIT 104 UNDIV 0.701% INT IN COMMON ELEMENTS OFF REC 17374-0773 OR 18080-4628 0398 1
Additional MLS details

Reported by the listing source

Association Amenities
Maintenance, Pool, Fitness Center, Kitchen Facilities, Parking, Playground, Other
Association Fee Frequency
Monthly
Association Fee Includes
Recreation Facility, Pool Service, Common Areas, Elevator, Maintenance Grounds, Maintenance Structure, Pest Control, Reserve Funds, Roof Repairs, Sewer, Trash, Water
Association
Yes
Bathrooms Total Decimal
4.5
Bathrooms Total Integer
5
Building Area Total
3250
Construction Materials
CBS
County Or Parish
Miami-Dade
Days On Market
3
Direction Faces
East
Elementary School
Key Biscayne K-8
High School
Coral Gables
List Price
3950000
Listing Contract Date
2026-09-21
Living Area
3250
MLSArea Major
2520
Middle Or Junior School
Ponce De Leon
Mls Status
Active
On Market Date
2026-09-21
Patio And Porch Features
Patio
Photos Count
36
Postal Code
33149
Property Sub Type
Condominium
Property Type
Residential
Rooms Total
3
Security Features
Fire Sprinkler System, Security Guard, Security Patrol, Security System
Senior Community
No
Standard Status
Active
State Or Province
FL
Status Change Timestamp
2026-09-21T04:00:00Z
Stories Total
12
Subdivision Name
GRAND BAY RESIDENCES COND
Waterfront Features
None, Ocean Access
Tax Annual Amount
38282
Bathrooms Full
4
Bedrooms Total
4
Bathrooms Half
1
Financial Information: Estimated Monthly Assoc Recurring Fee
3888

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
Sep 21, 2026ListedMIAMI REALTORS® MLS$3,950,000$1,215/sqft

Public tax history

YearProperty taxesAssessment
2025$38,282—

Payment calculator

Estimated monthly payment$29,549/moIllustrative estimate, not a loan offer.
Principal & interest
$20,496
Property taxes
$3,190
Insurance
$1,975
Association dues
$3,888

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 RESIDENCES COND

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 Compass Florida, LLC.. 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.