Key Biscayne 3+ Bedroom Condos for Sale

33 listings
445 Grand Bay Drive # PH-1A, Key Biscayne, FL 33149
180 Days on Market

Condo for Sale

$18,900,000

5 bd · 6 ba · 8,435 sqft

445 Grand Bay Drive # PH-1A, Key Biscayne, FL 33149

GRAND BAY

799 Crandon Blvd # PH-8, Key Biscayne, FL 33149
54 Days on Market

Condo for Sale

$18,500,000

5 bd · 6 ba · 4,566 sqft

799 Crandon Blvd # PH-8, Key Biscayne, FL 33149

OCEAN CLUB

350 Ocean Dr # LPH2N, Key Biscayne, FL 33149
140 Days on Market

Condo for Sale

$17,900,000

5 bd · 6 ba · 4,764 sqft

350 Ocean Dr # LPH2N, Key Biscayne, FL 33149

OCEANA KEY BISCAYNE

350 Ocean Dr # 701N, Key Biscayne, FL 33149
202 Days on Market

Condo for Sale

$11,495,000

4 bd · 6 ba · 3,787 sqft

350 Ocean Dr # 701N, Key Biscayne, FL 33149

Oceana Key Biscayne

350 E Ocean Dr # 301N, Key Biscayne, FL 33149
257 Days on Market

Condo for Sale

$8,950,000

4 bd · 7 ba · 3,798 sqft

350 E Ocean Dr # 301N, Key Biscayne, FL 33149

Oceana Key Biscayne

785 Crandon Blvd # 205/305, Key Biscayne, FL 33149
130 Days on Market

Condo for Sale

$5,950,000

4 bd · 5 ba · 4,200 sqft

785 Crandon Blvd # 205/305, Key Biscayne, FL 33149

Ocean Club

799 Crandon Blvd # 202, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$5,490,000

4 bd · 6 ba · 3,581 sqft

799 Crandon Blvd # 202, Key Biscayne, FL 33149

THE OCEAN CLUB

785 Crandon Blvd # 705/805, Key Biscayne, FL 33149
605 Days on Market

Condo for Sale

$5,450,000

4 bd · 5 ba · 4,200 sqft

785 Crandon Blvd # 705/805, Key Biscayne, FL 33149

The Ocean Club

199 Ocean Lane Dr # 401, Key Biscayne, FL 33149
160 Days on Market

Condo for Sale

$4,500,000

4 bd · 4 ba · 2,825 sqft

199 Ocean Lane Dr # 401, Key Biscayne, FL 33149

COMMODORE CLUB SOUTH

781 Crandon Blvd # 401, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$3,975,000

3 bd · 5 ba · 3,093 sqft

781 Crandon Blvd # 401, Key Biscayne, FL 33149

OCEAN CLUB

445 Grand Bay Dr # 104, Key Biscayne, FL 33149
26 Days on Market

Condo for Sale

$3,950,000

4 bd · 5 ba · 3,250 sqft

445 Grand Bay Dr # 104, Key Biscayne, FL 33149

GRAND BAY RESIDENCES COND

430 Grand Bay Dr # 606, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$3,900,000

4 bd · 4 ba · 2,930 sqft

430 Grand Bay Dr # 606, Key Biscayne, FL 33149

GRAND BAY TOWER

799 Crandon Blvd # 605, Key Biscayne, FL 33149
206 Days on Market

Condo for Sale

$3,750,000

3 bd · 4 ba · 2,510 sqft

799 Crandon Blvd # 605, Key Biscayne, FL 33149

The Ocean Club

881 Ocean Dr # 10A, Key Biscayne, FL 33149
20 Days on Market

Condo for Sale

$3,750,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr # 10A, Key Biscayne, FL 33149

CASA DEL MAR CONDOMINIUM

881 Ocean Dr # 20A, Key Biscayne, FL 33149
175 Days on Market

Condo for Sale

$3,600,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr # 20A, Key Biscayne, FL 33149

CASA DEL MAR

881 Ocean Dr # 7H, Key Biscayne, FL 33149
28 Days on Market

Condo for Sale

$3,595,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr # 7H, Key Biscayne, FL 33149

Casa del Mar

791 Crandon Blvd # 404, Key Biscayne, FL 33149
34 Days on Market

Condo for Sale

$3,549,000

3 bd · 3 ba · 2,510 sqft

791 Crandon Blvd # 404, Key Biscayne, FL 33149

THE OCEAN CLUB

430 Grand Bay Dr # 708, Key Biscayne, FL 33149
72 Days on Market

Condo for Sale

$3,490,000

3 bd · 3 ba · 2,840 sqft

430 Grand Bay Dr # 708, Key Biscayne, FL 33149

GRAND BAY

791 Crandon Blvd # 302, Key Biscayne, FL 33149
49 Days on Market

Condo for Sale

$3,340,000

3 bd · 3 ba · 2,510 sqft

791 Crandon Blvd # 302, Key Biscayne, FL 33149

OCEAN TOWER TWO CONDO

1111 Crandon Blvd # A501, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$2,950,000

3 bd · 2 ba · 1,782 sqft

1111 Crandon Blvd # A501, Key Biscayne, FL 33149

The Towers

600 Grapetree Dr # 11DN, Key Biscayne, FL 33149
56 Days on Market

Condo for Sale

$2,850,000

3 bd · 2 ba · 1,889 sqft

600 Grapetree Dr # 11DN, Key Biscayne, FL 33149

MAR-AZUL CONDO

765 Crandon Blvd # 310, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$2,850,000

3 bd · 3 ba · 2,602 sqft

765 Crandon Blvd # 310, Key Biscayne, FL 33149

THE OCEAN CLUB

151 Crandon Blvd # 1130, Key Biscayne, FL 33149
38 Days on Market

Condo for Sale

$2,650,000

3 bd · 3 ba · 2,001 sqft

151 Crandon Blvd # 1130, Key Biscayne, FL 33149

The Emerald Bay

605 Ocean Dr # 2L, Key Biscayne, FL 33149
303 Days on Market

Condo for Sale

$2,490,000

3 bd · 3 ba · 1,772 sqft

605 Ocean Dr # 2L, Key Biscayne, FL 33149

SANDS OF KEY BISCAYNE

Talk to a local agent

Looking at Key Biscayne 3+ Bedroom Condos?

Tell us what you're after — we'll send matching homes, off-market options and recent sales, and set up private showings.

Matthew Gromadzki, Real Estate Broker
Matthew Gromadzki
Real Estate Broker
(786) 370-8570
Send a message

We reply the same day.

By submitting you agree to be contacted about your inquiry. No spam, ever.

Live MLS inventory in Key Biscayne, updated continuously. Showing homes with 3 or more bedrooms. Florida Lux Real Estate currently tracks 33 active listings here. MLS inventory updated October 17, 2026.

3+ Bedroom Condos for Sale in Key Biscayne: What to Know Before You Search

Beyond the Rickenbacker tollgate, tucked between two state parks, Key Biscayne functions as Miami's island village — a K-8 school and streets where children pedal to the beach. Ordinance limits the condo count and no new building has opened since 2014, which means the scarcity driving prices here is entirely real.

Three-bedroom condos are where Key Biscayne buyers stop compromising — room for a family, a home office and guests without leaving the building's amenities and lock-and-leave ease behind. Known for a family island village between two state parks, fifteen minutes from Brickell, Key Biscayne keeps three-bedroom inventory tighter than the smaller plans, so the well-priced ones move quickly and often draw competing offers. This page narrows Key Biscayne condos to three bedrooms and up.

Key Biscayne Market Snapshot

226
Homes sold, last 12 months
$1.6M
Median sale price
61 days
Median time on market

Frequently Asked Questions

Are three-bedroom condos hard to find in Key Biscayne?

They're the scarcer end of most buildings' unit mix, which is why they hold value and turn over fast when priced right. We watch the towers that carry them and flag new listings before they're widely shopped.

Can you combine two condos into a three-bedroom in Key Biscayne?

Sometimes — a handful of Key Biscayne buildings allow unit combinations subject to board and structural approval, and it can be the only route to a large floor plan in a specific tower. We know which boards entertain it and what the process involves.

How do I arrange a showing in Key Biscayne?

Each listing on this page carries an inquiry form that goes straight to our brokerage — or reach us at +1 786-370-8570. We schedule private tours to fit your calendar and run live video walkthroughs for buyers relocating from out of state, with no obligation attached.

Discover Your Perfect Home

3+ Bedroom Condos for Sale in Nearby Cities
Select Property Type
Key Biscayne Condos for Sale by Type & Price
Bedroom Size Homes in Key Biscayne
Homes by Price in Key Biscayne
Lifestyle & New in Key Biscayne
Rentals in Key Biscayne
Homes Nearby Key Biscayne: Neighborhoods
Homes Nearby Key Biscayne: Cities
Homes Nearby Key Biscayne: ZIP Codes