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Key Biscayne 4+ Bedroom Homes for Sale

149 listings

Live MLS inventory in Key Biscayne, updated continuously. Showing homes with 4 or more bedrooms.

445 Grand Bay Dr # 418, Key Biscayne, FL 33149
$2,520,000
2 bd · 3 ba · 1,760 sqft
445 Grand Bay Dr # 418, Key Biscayne, FL 33149
Grand Bay Residences
605 Ocean Dr # 2L, Key Biscayne, FL 33149
$2,490,000
3 bd · 3 ba · 1,772 sqft
605 Ocean Dr # 2L, Key Biscayne, FL 33149
SANDS OF KEY BISCAYNE
151 Crandon Blvd # 345, Key Biscayne, FL 33149
$2,450,000
3 bd · 3 ba · 2,330 sqft
151 Crandon Blvd # 345, Key Biscayne, FL 33149
THE EMERALD BAY
881 Ocean Dr # 16F, Key Biscayne, FL 33149
$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
$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
$2,250,000New
2 bd · 3 ba · 2,060 sqft
737 Crandon Blvd # PH-1, Key Biscayne, FL 33149
LAKE VILLA TWO CONDO
199 Ocean Lane Dr # 201, Key Biscayne, FL 33149
$2,150,000
3 bd · 3 ba · 1,930 sqft
199 Ocean Lane Dr # 201, Key Biscayne, FL 33149
Commodore Club South
575 Crandon Blvd # 801, Key Biscayne, FL 33149
$2,100,000
3 bd · 4 ba · 2,450 sqft
575 Crandon Blvd # 801, Key Biscayne, FL 33149
KEY BISC AMBASSADOR CONDO
181 Crandon Blvd # 301, Key Biscayne, FL 33149
$1,980,000New
3 bd · 3 ba · 1,820 sqft
181 Crandon Blvd # 301, Key Biscayne, FL 33149
Key Colony 4
719 Crandon Blvd # 310, Key Biscayne, FL 33149
$1,950,000
2 bd · 2 ba · 1,700 sqft
719 Crandon Blvd # 310, Key Biscayne, FL 33149
THE OCEAN CLUB
251 Crandon Blvd # 227, Key Biscayne, FL 33149
$1,900,000
3 bd · 2 ba · 1,546 sqft
251 Crandon Blvd # 227, Key Biscayne, FL 33149
KEY COLONY
600 Grapetree Dr # 7FN, Key Biscayne, FL 33149
$1,890,000New
2 bd · 2 ba · 1,888 sqft
600 Grapetree Dr # 7FN, Key Biscayne, FL 33149
Mar Azul
202 Sunrise Dr # 202B, Key Biscayne, FL 33149
$1,790,000New
3 bd · 3 ba · 1,550 sqft
202 Sunrise Dr # 202B, Key Biscayne, FL 33149
KEY CASSA
151 Crandon Blvd # 138, Key Biscayne, FL 33149
$1,700,000New
2 bd · 3 ba · 1,547 sqft
151 Crandon Blvd # 138, Key Biscayne, FL 33149
THE EMERALDBAY @ KEY BISC
204 Sunrise Dr # 204B, Key Biscayne, FL 33149
$1,690,000
3 bd · 3 ba · 1,550 sqft
204 Sunrise Dr # 204B, Key Biscayne, FL 33149
KEY CASSA
101 Crandon Blvd # 269, Key Biscayne, FL 33149
$1,600,000New
3 bd · 3 ba · 1,720 sqft
101 Crandon Blvd # 269, Key Biscayne, FL 33149
Botanica
201 Crandon Blvd # 530, Key Biscayne, FL 33149
$1,599,900
2 bd · 2 ba · 1,531 sqft
201 Crandon Blvd # 530, Key Biscayne, FL 33149
KEY COLONY NO 1
607 Ocean Dr # 3K, Key Biscayne, FL 33149
$1,590,000
2 bd · 2 ba · 1,496 sqft
607 Ocean Dr # 3K, Key Biscayne, FL 33149
Sands of Key Biscayne Con
425 Grapetree Dr # 206, Key Biscayne, FL 33149
$1,575,000
2 bd · 3 ba · 1,404 sqft
425 Grapetree Dr # 206, Key Biscayne, FL 33149
Grapetree Townhouse
1111 Crandon Blvd # B705, Key Biscayne, FL 33149
$1,525,000
2 bd · 2 ba · 1,409 sqft
1111 Crandon Blvd # B705, Key Biscayne, FL 33149
Tower of Key Biscayne
200 Ocean Lane Drive # 409, Key Biscayne, FL 33149
$1,499,000
2 bd · 2 ba · 1,610 sqft
200 Ocean Lane Drive # 409, Key Biscayne, FL 33149
ISLAND HOUSE APT INC-COOP
101 Crandon Blvd # 265, Key Biscayne, FL 33149
$1,495,000New
2 bd · 2 ba · 1,790 sqft
101 Crandon Blvd # 265, Key Biscayne, FL 33149
Key Colony
232 Sea View Dr # 108, Key Biscayne, FL 33149
$1,480,000
2 bd · 3 ba · 1,340 sqft
232 Sea View Dr # 108, Key Biscayne, FL 33149
CAPE FLORIDA CLUB CONDO
101 Crandon Blvd # 170, Key Biscayne, FL 33149
$1,470,000
3 bd · 3 ba · 1,720 sqft
101 Crandon Blvd # 170, Key Biscayne, FL 33149
KEY COLONY NO 4 CONDO

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

226
Homes sold, last 12 months
$1.6M
Median sale price
60 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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