430 Grand Bay Dr # 307, Key Biscayne FL 33149

Condo/Co-op For Sale

$3,400,000

BTC: 58.11965812

ETH: 2,132.07582665

96 days

Waterfront

For Sale

Condo/Co-op

3 bds •

4 ba •

2,840 sqft

Overview

Step off your private elevator into your own foyer and feel instantly at home. This updated, light-filled 3BR + maid's quarters / 4BA offers a wonderfully functional layout - open living and dining area, family room, and a partially open kitchen with snack counter, all flowing to a spacious garden terrace with peaceful green views. Three full ensuite bedrooms. The primary suite is bright and spacious with its own private balcony. Impact windows throughout. Move-in ready. Boutique building. Enjoy Grand Bay's five-star amenities: beach service, pool, fitness center, concierge, valet, tennis and padel courts, and more - all steps from the Ritz-Carlton! Island living at its finest.

Location

Florida • Key Biscayne • 33149 • Condo/Co-op • For Sale • Waterfront

Details

Type:

Residential

Parking:

1 Space / Assigned / Valet

Year Built:

1999

Lot:

No Data

Heating:

Central

Price/sqft:

$1,197

Cooling:

Central Air

HOA:

$3,118

Type:

Residential

Parking:

1 Space / Assigned / Valet

Year Built:

1999

Lot:

No Data

Heating:

Central

Price/sqft:

$1,197

Cooling:

Central Air

HOA:

$3,118

Private inquiry

Talk to the advisor on this listing.

Floor plans, HOA docs, off-market comparables, scheduling a private showing — one message, direct to the local specialist.

Valuation

Our model vs. what's actually selling nearby.

Estimate

$2,989,500

$2.0M – $4.0M

Confidence Low

List vs. estimate

$410K above estimate

List $3,400,000 · +13.7%

Our model says this listing is priced above recent comparable activity. Room to negotiate.

Price per sq ft

$1,197

+22.3% vs. city median $979

Based on

6 MLS comparables

+ 30 public-records sales within 0.5 mi

Median actual sale: $2.3M

Median of recent comparable listings. Sold comps use closing price, active listings use list price.

Highlights

Annual tax

$34,752

2025

HOA

$3,118/mo

View

Garden View

Waterfront

Ocean Front

Garage

1 car garage

Pets

Restrictions Or Possible Restrictions

All facts and features

Flooring

• Carpet

• Marble

Heating

• Central

Cooling

• Central Air

Appliances

• Dishwasher

• Disposal

• Dryer

• Ice Maker

• Microwave

• Electric Range

• Refrigerator

• Washer

Other interior features

• Lobby

• First Floor Entry

• Built-in Features

• Closet Cabinetry

• Cooking Island

• Entrance Foyer

• Roman Tub

• Stacked Bedroom

• Family Room

• Maid/In-Law Quarters

• Utility Room/Laundry

Bedrooms and bathrooms

• Bedrooms: 3

• Full bathrooms: 4
Parking

• 1 Space

• Assigned

• Valet

Property

• Exterior Features: Open Balcony

Other Property Information

• Parcel Number: 24-52-05-060-0680
Type and style

• Property Type: Residential

• Property Sub Type: Condominium
Other financial information

• HOA: $3,118

• HOA Frequency: Monthly

• Annual tax amount: $34,752
Source details

• MLS ID: A11989375

Other facts

• Construction Materials: CBS Construction

• Laundry Features: Utility Room/Laundry

• Patio And Porch Features: Open Balcony

• Window Features: Clear Impact Glass / Blinds / High Impact Windows

• Architectural Style: Corner Unit / High Rise

• Waterfront: Yes

• Garage Spaces: 1

• Attached Garage: Yes

• Garage: Yes

• Living Area: 2840

• Subdivision Name: GRAND BAY TOWER CONDO

Private inquiry

Talk to the advisor on this listing.

Floor plans, HOA docs, off-market comparables, scheduling a private showing — one message, direct to the local specialist.

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Market around this address

Live counts in the same area.

The multiple listing information is provided by the Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are ©2026-present Miami Association of REALTORS®. All Rights Reserved. The information provided is for consumers' personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Listing courtesy of: BHHS EWM Realty

430 Grand Bay Dr # 307, Key Biscayne FL 33149

Overview

Location

Details

Valuation

Highlights

Interior details

Property details

Construction details

HOA and Financial Details

Other

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