MIAMI LUXHomes

4+ Bedroom Homes for Sale in Key Biscayne, Florida

48 listings

Newest arrivals first — every matching home in Key Biscayne, refreshed as listings hit the market. Every home here has at least 4 bedrooms.

631 N Mashta Drive, Key Biscayne, FL 33149
$18,500,000
4 bd · 4.5 ba · 2,255 sqft
631 N Mashta Drive, Key Biscayne, FL 33149
350 Ocean Dr # LPH2N, Key Biscayne, FL 33149
$17,900,000
5 bd · 6 ba · 4,764 sqft
350 Ocean Dr # LPH2N, Key Biscayne, FL 33149
OCEANA KEY BISCAYNE
200 Ocean Lane Dr # 501, Key Biscayne, FL 33149
$3,600,000
4 bd · 4 ba · 1,880 sqft
200 Ocean Lane Dr # 501, Key Biscayne, FL 33149
ISLAND HOUSE
741 Harbor Dr, Key Biscayne, FL 33149
$7,390,000
6 bd · 7 ba · 4,043 sqft
741 Harbor Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
690 Warren Ln, Key Biscayne, FL 33149
$5,378,000
4 bd · 4 ba · 3,549 sqft
690 Warren Ln, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
110 Reef Ln # 10, Key Biscayne, FL 33149
$11,750,000New
7 bd · 6 ba · 5,074 sqft
110 Reef Ln # 10, Key Biscayne, FL 33149
OCEANA KEY BISCAYNE
209 E Enid Dr # 36, Key Biscayne, FL 33149
$2,600,000
4 bd · 4 ba · 2,442 sqft
209 E Enid Dr # 36, Key Biscayne, FL 33149
GDNS OF KEY BISCAYNE
31 Island Dr, Key Biscayne, FL 33149
$9,800,000
6 bd · 7 ba · 5,826 sqft
31 Island Dr, Key Biscayne, FL 33149
CAPE FLORIDA SUB SEC 3
24 Grand Bay Estates Circle, Key Biscayne, FL 33149
$4,899,000
5 bd · 5.5 ba · 4,220 sqft
24 Grand Bay Estates Circle, Key Biscayne, FL 33149
445 Grand Bay Dr # 104, Key Biscayne, FL 33149
$3,950,000
4 bd · 5 ba · 3,250 sqft
445 Grand Bay Dr # 104, Key Biscayne, FL 33149
GRAND BAY RESIDENCES COND
797 Glenridge Rd, Key Biscayne, FL 33149
$5,100,000
5 bd · 5 ba · 3,535 sqft
797 Glenridge Rd, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
430 Grand Bay Dr # 606, Key Biscayne, FL 33149
$3,900,000New
4 bd · 4 ba · 2,930 sqft
430 Grand Bay Dr # 606, Key Biscayne, FL 33149
GRAND BAY TOWER
799 Crandon Blvd # 202, Key Biscayne, FL 33149
$5,490,000New
4 bd · 6 ba · 3,581 sqft
799 Crandon Blvd # 202, Key Biscayne, FL 33149
THE OCEAN CLUB
544 Warren Ln, Key Biscayne, FL 33149
$8,000,000
6 bd · 6 ba · 1,044 sqft
544 Warren Ln, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB
238 Buttonwood Dr, Key Biscayne, FL 33149
$8,500,000
6 bd · 7 ba · 4,190 sqft
238 Buttonwood Dr, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 4
640 S Mashta Dr, Key Biscayne, FL 33149
$16,800,000
4 bd · 4 ba · 3,620 sqft
640 S Mashta Dr, Key Biscayne, FL 33149
MASHTA ISLAND
335 W Enid Dr, Key Biscayne, FL 33149
$5,785,000
5 bd · 6 ba · 3,495 sqft
335 W Enid Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
548 Fernwood Rd # 548, Key Biscayne, FL 33149
$3,300,000New
4 bd · 3 ba · 2,448 sqft
548 Fernwood Rd # 548, Key Biscayne, FL 33149
N/A
475 Woodcrest Rd, Key Biscayne, FL 33149
$4,500,000New
4 bd · 3 ba · 2,689 sqft
475 Woodcrest Rd, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 1
755 Curtiswood Dr, Key Biscayne, FL 33149
$5,600,000
5 bd · 5 ba · 3,197 sqft
755 Curtiswood Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
425 Harbor Dr, Key Biscayne, FL 33149
$7,450,000
7 bd · 9 ba · 4,565 sqft
425 Harbor Dr, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 3
650 Curtiswood Dr, Key Biscayne, FL 33149
$5,199,000
6 bd · 5 ba · 3,356 sqft
650 Curtiswood Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
691 Ridgewood Rd, Key Biscayne, FL 33149
$3,800,000
4 bd · 4 ba · 3,403 sqft
691 Ridgewood Rd, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
571 Glenridge Rd, Key Biscayne, FL 33149
$7,490,000
5 bd · 7 ba · 3,768 sqft
571 Glenridge Rd, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB

4+ Bedroom Homes for Sale in Key Biscayne — A Local's Guide

Key Biscayne is Miami's island village — past the Rickenbacker tollgate, between two state parks, with a K-8 school and streets where kids bike to the beach. Condo supply is capped by ordinance and the last new building arrived in 2014, so the market trades on genuine scarcity.

Filtering Key Biscayne to 4+ bedrooms puts you in the large-format end of the market, where homes serve multigenerational households, home offices and buyers consolidating from two residences into one. In a market known for a family island village between two state parks, fifteen minutes from Brickell, bedroom count is the search that maps to real life — and this page keeps every property type in view so you can weigh a 4-bedroom condo against a townhome or house at the same budget.

Key Biscayne Market Snapshot

231
Homes sold, last 12 months
$1.6M
Median sale price
61 days
Median time on market

Frequently Asked Questions

What does a 4-bedroom home cost in Key Biscayne?

The spread is wide because property type matters as much as bedroom count — a 4-bedroom condo, townhome and house in Key Biscayne can sit in different price bands entirely. The live listings on this page show today's asking prices across all three; sort by price to bracket the market in seconds.

Do bedroom counts in listings include dens and offices?

Legally a bedroom needs a window and closet, and MLS counts follow that — dens and offices are listed separately. If a flexible room matters to you, say so: many Key Biscayne floor plans carry a den that works as the extra bedroom without being counted as one.

How do I tour a home in Key Biscayne?

Every listing on this page has an inquiry form that reaches the broker directly — or call +1 786-370-8570. We arrange private showings around your schedule, including video tours for out-of-town buyers, and there is never an obligation.

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