ActiveMLS® A12091792

$3,900,000

430 Grand Bay Drive 606, Key Biscayne, FL 33149

Beds: 4
Baths: 4
Sqft: 2,930

Est. payment$28,321/mo

Home type: Condominium
Year built: 1999
Lot size: —
Price / sqft: $1,331
HOA: $3,370/mo
Community: GRAND BAY TOWER CONDO

Property description

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.

Listing activity

Days on market: 2
Listed: Sep 21, 2026
MLS listing updated: Sep 23, 2026
Feed last checked: Just now

Listed by Saddy Delgado · One Sotheby's International Realty

Map

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

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 4
Bathrooms (decimal): 4
Full bathrooms: 4

Rooms & features

Rooms: 0
Interior features: Built-in Features, Closet Cabinetry, Elevator, Kitchen Island
Flooring: Ceramic Tile
Appliances: Dryer, Refrigerator
Furnished: Unfurnished
Window features: Blinds, Sliding

Heating & cooling

Heating: Central, Electric
Cooling: Central Air, Electric

Property

Parking

Garage spaces: 1
Garage: Yes
Covered spaces: 1
Parking features: Assigned, Detached, Detached Garage, Garage, Valet
Attached garage: No

Exterior

Stories: 14
Building area: 2,930 sqft
Entry level: 1
Patio & porch: Patio
Exterior features: Other
View: Water, Skyline
Waterfront: Other, Ocean
Waterfront property: Yes

Construction

Type & style

Home type: Condominium
Year built: 1999
New construction: No

Materials

Construction: CBS
Property condition: Resale

Utilities & green energy

Not reported by the listing source.

Community & HOA

Community

Subdivision: GRAND BAY TOWER CONDO
MLS area: 2420
Security: Elevator Secure, Lobby - Attended, Security System
Pets allowed: Pet Restrictions Possible, No
55+ community: Yes

Association

Has association: Yes
Association fee: $3,370 monthly
Estimated monthly dues: $3,370
Amenities: Pool, Bike Storage, Fitness Center, Other
Services included: Common Areas, Elevator

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: A12091792
Possession: Negotiable
Original list price: $3,900,000
Parcel number: 2452050600590
Annual property tax: $33,178
Tax year: 2025
Tax legal description: GRAND BAY TOWER CONDO UNIT 606 UNDIV 0.8688% INT IN COMMON ELEMENTS OFF REC 18893-1027 OR 18938-2773 01 2000 1

Additional MLS details

Reported by the listing source

Association Amenities: Pool, Bike Storage, Fitness Center, Other
Association Fee Frequency: Monthly
Association Fee Includes: Common Areas, Elevator
Association: Yes
Bathrooms Total Decimal: 4
Bathrooms Total Integer: 4
Building Area Total: 2930
Construction Materials: CBS
County Or Parish: Miami-Dade
Days On Market: 2
Elementary School: Key Biscayne K-8
High School: Coral Gables
List Price: 3900000
Listing Contract Date: 2026-09-21
Living Area: 2930
MLSArea Major: 2420
Middle Or Junior School: Ponce De Leon
Mls Status: Active
On Market Date: 2026-09-21
Patio And Porch Features: Patio
Photos Count: 35
Postal Code: 33149
Property Sub Type: Condominium
Property Type: Residential
Rooms Total: 0
Security Features: Elevator Secure, Lobby - Attended, Security System
Senior Community: Yes
Standard Status: Active
State Or Province: FL
Status Change Timestamp: 2026-09-21T04:00:00Z
Stories Total: 14
Subdivision Name: GRAND BAY TOWER CONDO
Waterfront Features: Other, Ocean
Tax Annual Amount: 33178
Bathrooms Full: 4
Bedrooms Total: 4
General Property Information: Senior Community: Yes
Financial Information: Estimated Monthly Assoc Recurring Fee: 3370

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

Date	Event	Price
Sep 21, 2026	ListedMIAMI REALTORS® MLS	$3,900,000$1,331/sqft

Public tax history

Year	Property taxes	Assessment
2025	$33,178	—

Payment calculator

Estimated monthly payment$28,321/moIllustrative estimate, not a loan offer.

Loan typeDown payment (%)Interest rate assumption (%)Loan termInsurance / month

Principal & interest: $20,236
Property taxes: $2,765
Insurance: $1,950
Association dues: $3,370

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