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Live from the Miami MLS

Homes and condos for sale in Key Biscayne

Every active listing in Miami-Dade, not only the towers Stefania writes about. What has actually sold in a building is on its own page, and it comes from the county roll rather than from a listing.

Showing 121–139 of 139 active listings

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For sale in Key Biscayne · 139 active now

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$4,500,000

199 Ocean Lane Dr #401

4 bd · 4 ba · 2,825 sq ft

Key BiscayneCondominium$1,593/sq ft160 days on market$2,893 HOA

Listing courtesy of Swann Realty Partners, LLC. · 305-438-7730

↓ 3.7% on June 1

$3,750,000was $3,895,000

799 Crandon Blvd #605

3 bd · 4 ba · 2,510 sq ft

Key BiscayneCondominium$1,494/sq ft206 days on market$1,500 HOA

Listing courtesy of Urdapilleta Real Estate, LLC · 786-381-3758

$18,900,000

445 Grand Bay Drive #1A

5 bd · 6 ba · 8,435 sq ft

Key BiscayneCondominium$2,241/sq ft180 days on market

Listing courtesy of One Sotheby's International Realty · 305-365-2811

↓ 6.7% on September 9

$3,500,000was $3,750,000

350 Ocean Dr #205N

2 bd · 3 ba · 1,830 sq ft

Key BiscayneCondominium$1,913/sq ft273 days on market$3,030 HOA

Listing courtesy of Coldwell Banker Realty · 305-667-4815

$19,800,000

100 Cape Florida Dr

4 bd · 9 ba · 8,240 sq ft

Key BiscayneSingle Family Residence$2,403/sq ft151 days on market

Listing courtesy of One Sotheby's International Realty · 305-365-2811

$3,600,000

881 Ocean Dr #20A

3 bd · 3 ba · 3,120 sq ft

Key BiscayneCondominium$1,154/sq ft175 days on market$7,822 HOA

Listing courtesy of BHHS EWM Realty · 305-960-2400

↓ 9.1% on September 1

$450,000was $495,000

255 Sunrise Dr #103

1 bd · 1 ba · 608 sq ft

Key BiscayneCondominium$740/sq ft282 days on market$403 HOA

Listing courtesy of Castaneda & Associates · 305-458-0788

↓ 15.4% on October 19

$2,199,000was $2,600,000

605 Ocean Dr #2L

3 bd · 3 ba · 1,772 sq ft

Key BiscayneCondominium$1,241/sq ft330 days on market$2,538 HOA

Listing courtesy of BHHS EWM Realty · 305-960-2400

↓ 18.6% on October 19

$794,000was $975,000

155 Sunrise Dr #4B

2 bd · 2 ba · 1,212 sq ft

Key BiscayneCondominium$655/sq ft334 days on market$1,092 HOA

Listing courtesy of IMS Consulting & Management · 305-389-4996

↓ 1.6% on February 12

$8,950,000was $9,099,000

350 E Ocean Dr #301N

4 bd · 7 ba · 3,798 sq ft

Key BiscayneCondominium$2,357/sq ft257 days on market$4,388 HOA

Listing courtesy of Douglas Elliman · 305-695-6300

$6,900,000

110 Hampton Ln

6 bd · 7 ba · 3,550 sq ft

Key BiscayneSingle Family Residence$1,944/sq ft293 days on market

Listing courtesy of Fortune Christie's Intl R.E. · 305-856-2600

↓ 11.6% on October 8

$724,000was $819,000

155 Ocean Lane Dr #302

1 bd · 2 ba · 895 sq ft

Key BiscayneCondominium$809/sq ft366 days on market

Listing courtesy of One Sotheby's International Realty · 305-365-2811

↓ 6.3% on August 26

$1,125,000was $1,200,000

177 Ocean Lane Dr #208

2 bd · 2 ba · 1,260 sq ft

Key BiscayneCondominium$893/sq ft280 days on market$4,800 HOA

Listing courtesy of City Intl R. E. Group, Inc. · 305-856-0934

$1,900,000

251 Crandon Blvd #227

3 bd · 2 ba · 1,546 sq ft

Key BiscayneCondominium$1,229/sq ft371 days on market$5,121 HOA

Listing courtesy of Urdapilleta Real Estate, LLC · 786-381-3758

↓ 2.4% on July 14

$3,800,000was $3,895,000

691 Ridgewood Rd

4 bd · 4 ba · 3,403 sq ft

Key BiscayneSingle Family Residence$1,117/sq ft401 days on market

Listing courtesy of BHHS EWM Realty · 305-361-5600

↓ 7.6% on July 28

$7,950,000was $8,600,000

545 SABAL PALM

5 bd · 5 ba · 4,166 sq ft

Key BiscayneSingle Family Residence$1,908/sq ft353 days on market

Listing courtesy of DLS International Realty · 305-459-3875

↓ 10.8% on June 12

$12,485,000was $14,000,000

420 Island Dr

6 bd · 8 ba · 6,405 sq ft

Key BiscayneSingle Family Residence$1,949/sq ft417 days on market

Listing courtesy of BHHS EWM Realty · 305-361-5600

$3,650,000

360 Ocean Dr #205S

2 bd · 4 ba · 1,830 sq ft

Key BiscayneCondominium$1,995/sq ft437 days on market$3,630 HOA

Listing courtesy of Fortune Christie's International Real Estate · 305-400-6393

↓ 10.9% on April 29

$9,800,000was $11,000,000

31 Island Dr

6 bd · 7 ba · 5,826 sq ft

Key BiscayneSingle Family Residence$1,682/sq ft536 days on market

Listing courtesy of Gimeza A Real Estate Corp. · 786-252-4552

Copyright Southeast Florida Multiple Listing Service © 2026. Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited, is a violation of the terms of use, and may violate federal and state law.

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