Florida, Key Biscayne Waterfront Houses For Sale — from $1.3M | Broker One

Waterfront Houses For Sale in Florida, Key Biscayne

Browse waterfront Houses For Sale in Florida, Key Biscayne — canal-front, bay-front, and oceanfront properties with dock access, water views, and direct ocean access. Filter by price, bedrooms, lot size, and waterfront type.

Waterfront living in Florida, Key Biscayne

Waterfront homes in Florida, Key Biscayne range from canal-front properties with private docks to luxury estates on open water. Many include boat lifts, seawalls, and direct access to Biscayne Bay or the Intracoastal Waterway. Waterfront properties typically command a 30-60% premium over comparable inland homes.

What to check on waterfront properties

Verify seawall condition, dock permits, flood zone designation, and elevation certificate before buying. Waterfront homes in South Florida require flood insurance — check FEMA zone maps and recent claims history. Our listings include flood zone data and property details to help you evaluate risk.

For Sale
$1,275,000
House
2 bds · 2 ba · 1,580 sqft
ISLAND HOUSE APT INC - CO, Key Biscayne
200 Ocean Lane Dr # 407, Key Biscayne FL 33149
-$300K
For Sale
$3,600,000
House
3 bds · 3 ba · 2,412 sqft
ISLAND HOUSE APT INC - CO, Key Biscayne
200 Ocean Lane Dr # 401, Key Biscayne FL 33149
For Sale
$237,000,000
House
5 bds · 7 ba · 11,528 sqft
TROPICAL ISLE HOMES RESUB, Key Biscayne
485 W Matheson Dr, Key Biscayne FL 33149
For Sale
$19,950,000
House
6 bds · 6 ba · 6,208 sqft
CAPE FLA SUB SEC 2, Key Biscayne
120 Knollwood Dr, Key Biscayne FL 33149
For Sale
$16,800,000
House
4 bds · 4 ba · 3,620 sqft
MASHTA ISLAND, Key Biscayne
640 S Mashta Dr, Key Biscayne FL 33149
-$200K
For Sale
$11,600,000
House
5 bds · 5 ba · 3,509 sqft
CAPE FLA SUB SEC 2, Key Biscayne
221 Knollwood Dr, Key Biscayne FL 33149
For Sale
$19,800,000
House
4 bds · 5 ba · 8,240 sqft
CAPE FLORIDA SUB SEC 3, Key Biscayne
100 Cape Florida Dr, Key Biscayne FL 33149
-$600K
For Sale
$13,250,000
House
5 bds · 4 ba · 4,924 sqft
CAPE FLA SUB SEC 2, Key Biscayne
121 Knollwood Drive, Key Biscayne FL 33149
-$2M
For Sale
$20,450,000
House
7 bds · 7 ba · 6,497 sqft
HURRICANE COVE, Key Biscayne
550 Harbor Dr, Key Biscayne FL 33149
For Sale
$29,500,000
House
9 bds · 8 ba · 10,964 sqft
CAPE FLORIDA SUB SEC 3, Key Biscayne
260 Cape Florida Dr, Key Biscayne FL 33149
For Sale
$25,900,000
House
4 bds · 4 ba · 2,566 sqft
TROPICAL ISLE HOMES SUB 4, Key Biscayne
200 Harbor Dr, Key Biscayne FL 33149
-$2M
For Sale
$12,485,000
House
6 bds · 6 ba · 6,405 sqft
CAPE FLORIDA SUB SEC 1, Key Biscayne
420 Island Dr, Key Biscayne FL 33149
-$3M
For Sale
$19,500,000
House
6 bds · 8 ba · 7,742 sqft
CAPE FLA SUB SEC 2, Key Biscayne
960 Mariner Dr, Key Biscayne FL 33149
-$3M
For Sale
$14,590,000
House
4 bds · 4 ba · 6,661 sqft
CAPE FLORIDA SUB SEC 3, Key Biscayne
161 Cape Florida Dr, Key Biscayne FL 33149