Key Biscayne Waterfront Condos for Sale

46 listings
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

430 Grand Bay Dr # 801, Key Biscayne, FL 33149
162 Days on Market

Condo for Sale

$6,900,000

2 bd · 4 ba · 3,950 sqft

430 Grand Bay Dr # 801, Key Biscayne, FL 33149

Grand Bay

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

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
23 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

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

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

360 Ocean Dr # 205S, Key Biscayne, FL 33149
437 Days on Market

Condo for Sale

$3,650,000

2 bd · 4 ba · 1,830 sqft

360 Ocean Dr # 205S, Key Biscayne, FL 33149

OCEANA KEY BISCAYNE CONDO

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

350 Ocean Dr # 205N, Key Biscayne, FL 33149
262 Days on Market

Condo for Sale

$3,500,000

2 bd · 3 ba · 1,830 sqft

350 Ocean Dr # 205N, Key Biscayne, FL 33149

Oceana Key Biscayne

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

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

201 Crandon Blvd # 643, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$2,800,000

2 bd · 2 ba · 1,950 sqft

201 Crandon Blvd # 643, Key Biscayne, FL 33149

KEY COLONY

151 Crandon Blvd # 1130, Key Biscayne, FL 33149
37 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

881 Ocean Dr # 20E, Key Biscayne, FL 33149
Newly Listed

Condo for Sale

$2,470,000

2 bd · 2 ba · 1,875 sqft

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

Casa del Mar Condo

881 Ocean Dr # 16F, Key Biscayne, FL 33149
46 Days on Market

Condo for Sale

$2,400,000

2 bd · 2 ba · 1,875 sqft

881 Ocean Dr # 16F, Key Biscayne, FL 33149

CASA DEL MAR

600 Grapetree Dr # 6BS, Key Biscayne, FL 33149
51 Days on Market

Condo for Sale

$2,300,000

3 bd · 3 ba · 2,523 sqft

600 Grapetree Dr # 6BS, Key Biscayne, FL 33149

MAR-AZUL CONDO

737 Crandon Blvd # PH-1, Key Biscayne, FL 33149
36 Days on Market

Condo for Sale

$2,250,000

2 bd · 3 ba · 2,060 sqft

737 Crandon Blvd # PH-1, Key Biscayne, FL 33149

LAKE VILLA TWO CONDO

Talk to a local agent

Looking at Key Biscayne Waterfront 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
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Live MLS inventory in Key Biscayne, updated continuously. Florida Lux Real Estate currently tracks 46 active listings here. MLS inventory updated October 16, 2026.

Waterfront 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.

Waterfront is the reason a large share of Key Biscayne condo buyers are shopping at all — a direct water view, or a boat slip below, resets what a unit is worth floor by floor. Known for a family island village between two state parks, fifteen minutes from Brickell, Key Biscayne prices its waterfront towers on exposure as much as size: bay versus ocean, wide-open versus channel, the direction the balcony faces. This page narrows Key Biscayne condos to waterfront buildings, where diligence adds seawall, flood zone and the association's storm history to the usual reserve and leasing checks.

Key Biscayne Market Snapshot

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

Frequently Asked Questions

Does a waterfront condo cost more to insure in Key Biscayne?

Usually — the master policy carries the building's wind and flood exposure and every owner funds it through dues, so a waterfront tower's monthly figure typically sits above a comparable inland one. We pull the association's budget and reserve study before you offer so the true carrying cost is on the table early.

What's the difference between bayfront and oceanfront in Key Biscayne?

Both are "waterfront," but they behave differently — oceanfront trades on the open view and beach access, bayfront on sunsets, boating and often a calmer harbor for a slip. Tell us which matters and we'll filter to the buildings that actually deliver it rather than the ones that only market it.

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.

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