MIAMI PRIMECondos

4+ Bedroom Homes for Sale Across Key Biscayne

138 listings

Current 4+ bedroom homes for sale across Key Biscayne, drawn straight from the MLS feed and ordered largest residence first — open any card for photos, unit details and its spot on the map. Limited to residences with 4+ bedrooms.

430 Grand Bay Dr # 801, Key Biscayne, FL 33149
$6,900,000
2 bd · 4 ba · 3,950 sqft
430 Grand Bay Dr # 801, Key Biscayne, FL 33149
Grand Bay
350 E Ocean Dr # 301N, Key Biscayne, FL 33149
$8,950,000
4 bd · 7 ba · 3,798 sqft
350 E Ocean Dr # 301N, Key Biscayne, FL 33149
Oceana Key Biscayne
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
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
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
110 Hampton Ln, Key Biscayne, FL 33149
$6,900,000
6 bd · 7 ba · 3,550 sqft
110 Hampton Ln, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 4
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
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
335 W Enid Dr, Key Biscayne, FL 33149
$6,897,000
5 bd · 6 ba · 3,495 sqft
335 W Enid 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
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
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
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
881 Ocean Dr # 13H, Key Biscayne, FL 33149
$3,500,000
3 bd · 3 ba · 3,120 sqft
881 Ocean Dr # 13H, Key Biscayne, FL 33149
Casa del Mar Condo
881 Ocean Dr # 20A, Key Biscayne, FL 33149
$3,600,000
3 bd · 3 ba · 3,120 sqft
881 Ocean Dr # 20A, Key Biscayne, FL 33149
CASA DEL MAR
781 Crandon Blvd # 401, Key Biscayne, FL 33149
$3,975,000New
3 bd · 5 ba · 3,093 sqft
781 Crandon Blvd # 401, Key Biscayne, FL 33149
OCEAN CLUB
520 S Mashta Dr, Key Biscayne, FL 33149
$18,500,000
5 bd · 4 ba · 3,085 sqft
520 S Mashta Dr, Key Biscayne, FL 33149
MASHTA ISLAND A REPLAT OF
430 Grand Bay Dr # 606, Key Biscayne, FL 33149
$3,900,000
4 bd · 4 ba · 2,930 sqft
430 Grand Bay Dr # 606, Key Biscayne, FL 33149
GRAND BAY TOWER
199 Ocean Lane Dr # 401, Key Biscayne, FL 33149
$4,500,000
4 bd · 4 ba · 2,825 sqft
199 Ocean Lane Dr # 401, Key Biscayne, FL 33149
COMMODORE CLUB SOUTH
571 S Mashta Dr, Key Biscayne, FL 33149
$6,350,000New
4 bd · 3 ba · 2,761 sqft
571 S Mashta Dr, Key Biscayne, FL 33149
MASHTA ISLAND A REPLAT OF
524 Warren Ln, Key Biscayne, FL 33149
$3,690,000
5 bd · 4 ba · 2,700 sqft
524 Warren Ln, Key Biscayne, FL 33149
TROPICAL ISLE HOMES SUB 1
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
201 Crandon Blvd # 163, Key Biscayne, FL 33149
$2,865,000
3 bd · 4 ba · 2,604 sqft
201 Crandon Blvd # 163, Key Biscayne, FL 33149
Key Colony
765 Crandon Blvd # 310, Key Biscayne, FL 33149
$2,850,000
3 bd · 3 ba · 2,602 sqft
765 Crandon Blvd # 310, Key Biscayne, FL 33149
THE OCEAN CLUB

4+ Bedroom Homes for Sale in Key Biscayne: How This Market Works

Cross the Rickenbacker and the market changes character entirely: Key Biscayne caps its condo density by ordinance, no new building has delivered since 2014, and the village between Crandon and Bill Baggs parks runs on bikes, the K-8 school and the beach. Inventory this constrained rewards patient buyers — units in the established oceanfront buildings rarely linger.

Setting a floor of 4 bedrooms narrows Key Biscayne to the market's largest floor plans, sized for blended households, live-in help, serious home offices and owners consolidating two addresses into one. Because ordinance-capped condos on a parkland island shapes demand here, comparing across property types at a fixed bedroom count is revealing — the same 4 bedrooms package very differently in a tower residence, a townhouse and a detached house, and this page holds all three up against one another.

Key Biscayne Market Snapshot

227
Homes sold, last 12 months
$1.6M
Median sale price
63 days
Median time on market

Frequently Asked Questions

Does value vary much among 4-bedroom homes in Key Biscayne?

Considerably — property type, floor height, water proximity and building era all move the needle, so identical bedroom counts can occupy very different price territory. The listings below are live; sorting them by price shows you the current spread in under a minute, and we can annotate which ones sit above or below their comparables.

What officially counts as a bedroom in a Key Biscayne listing?

MLS convention follows the legal definition — a room with a closet and an egress window. Dens, lofts and offices are tallied separately even when they function as sleeping space, so a residence marketed at 4 bedrooms plus a den effectively lives larger than its count. Tell us flexibility matters and we will surface the plans that have it.

Can I see a Key Biscayne property before committing to anything?

Of course. Use the inquiry form on any listing or call +1 786-370-8570 and we will set up a private showing around your calendar. Buyers who live elsewhere can request a recorded video walkthrough of any residence. Looking carries no commitment — deciding comes later, on your terms.

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