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© 2026 Miami Association of REALTORS®. IDX information provided exclusively for personal, non-commercial use. Listing data last updated every 30 minutes.

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+20

445 Grand Bay Dr 303

Key Biscayne, FL, 33149

Pending

$3,850,000

445 Grand Bay Dr 303

Key Biscayne, FL, 33149

Pending

$3,850,000

4

Bedrooms

5

Bathrooms

3,480 sqft

Living Area

1996

Year Built

Mortgage Calculator

Estimate your monthly payment for this waterfront property

Loan Term

Down Payment

20%

$770,000 down

Interest Rate

%

Principal & Interest$19,977/mo

Property Tax (est. ~1.2%, varies by county)$3,850/mo

Home Insurance (est.)$250/mo

HOA Fees$4,336/mo

Total Monthly Payment$28,413

Loan Amount: $3,080,000Rate: 6.75%

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Estimated payments only. Actual rates and terms may vary.

Comparable Sales

$3,850,000Tour the dockSchedule a Showing

$4,336

HOA / Monthly

45

Days on Market

Dock & Water AccessMLS

Ocean Front

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

First time ever on the market, elegant, private and comfortable 4 beds, 4 baths unit in exclusive "The Grand Bay Residences", offering true coastal resort style living. Sophisticated and sought-after building located within a security gated community on the luxurious Ritz Carlton hotel grounds in the heart of the island paradise of Key Biscayne. Offering beach access/service, Ritz Carlton Tennis Club, Grand Bay Club, and 2 private pools with lovely outdoor gardens and scenic walking paths. Exceptional building with remodeled lobby, 24-hour concierge service, valet, a fitness center, conference/meeting room as well as being just steps away from shops and dining. Great floor plan, ample living dining areas, private elevator to foyer with double door entry, large bedrooms & plenty of closet space, three terraces, full size laundry room, 2 parking spaces + storage. World-class amenities and Key Biscayne lifestyle at its finest.

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Location

Key Biscayne, FL, 33149

No price history available for this property.

Listing courtesy of Emerald Real Estate Inc

Last updated: 6/23/2026

© 2026 Miami Association of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Miami Association of REALTORS®. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

FEMA Flood Zone AE

BFE: 9ft

Special Flood Hazard Area

View FEMA Flood Map →

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Nearby Schools

Assigned Public Schools

E

Key Biscayne K-8 Center

Grades PK-8 · Key Biscayne

M

Ponce de Leon MS

Grades 6-8 · Coral Gables

H

Coral Gables Senior High

Grades 9-12 · Coral Gables

Nearby Private Schools

St Christophers - By-The-Sea Montessori School0.5 mi

St Agnes Academy0.6 mi

School data from Miami-Dade County Open Data Hub. Verify attendance zones with the school district.