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about Key Biscayne

Key biscayne is located in Miami-Dade county Florida with a geographic area of 1.2 square miles. The total population in Key biscayne is 12,867 with 48.5% male and 51.5% female. Children under age 5 represent 5.6% of the population, under age 18 equal 31.5% of the population and over age 65 is 14.0% of the population. The median household income is $166,667, per capita income is $78,732. There are a total of 4,058 housing units with 69.3% owner occupied. Education includes 3.0% of residents that are high school graduates and 80.0% with a bachelor's degree or higher. The average temperature in Key biscayne in the summer is 80 degrees, and in the winter 56 degrees.

Key Biscayne
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115 Homes for Sale in Key Biscayne

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Key Biscayne Homes For Sale

  • Key Biscayne Condominium for Sale
  • Key Biscayne Single Family Home for Sale
  • Key Biscayne Townhouse for Sale

zip near Key Biscayne

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30. 101 Ocean Lane Dr
1. 101 Ocean Lane Dr
2. 101 Ocean Lane Dr
1 of 30
Contract 02-06-25
Key Biscayne
101 Ocean Lane Dr
Key Biscayne, FL 33149
2 Bd2 Ba1,450 SF
Condominium
$780,000
$538 SF
Listing by: Fortune Christie's International Real Estate
Contract:2/6/2025$780,000
datePricevariancetype
2/6/2025$780,000--Contract
1/30/2025$780,000-4.88%decreased
11/23/2024$820,000--Listed
0. 199 Ocean Lane Dr
Key Biscayne
199 Ocean Lane Dr
Key Biscayne, FL 33149
3 Bd2 Ba1,930 SF
Condominium
$2,350,000
$1,218 SF
Listing by: One Sotheby's International Realty
Listed:11/22/2024$2,350,000
datePricevariancetype
11/22/2024$2,350,000--Listed
0. 945 Mariner Drive
Contract 03-17-25
Key Biscayne
945 Mariner Drive
Key Biscayne, FL 33149
6 Bd6 Ba5,191 SF
Single Family
$12,950,000
$2,495 SF
Listing by: One Sotheby's International Realty
Contract:3/17/2025$12,950,000
datePricevariancetype
3/17/2025$12,950,000--Contract
2/20/2025$12,950,000-3.72%decreased
12/28/2024$13,450,000-7.08%decreased
11/10/2024$14,475,000--Listed
0. 765 Crandon Blvd
Key Biscayne
Ocean Club Lake Tower, #PH-4
Key Biscayne, FL 33149
3 Bd3 Ba2,602 SF
Condominium
$3,075,000
$1,182 SF
Listing by: One Sotheby's International Realty
decreased:2/1/2025$3,075,000(3.15%)
datePricevariancetype
2/1/2025$3,075,000-3.15%decreased
11/15/2024$3,175,000--Listed
50. 151 Crandon Blvd
1. 151 Crandon Blvd
2. 151 Crandon Blvd
1 of 50
Contract 02-07-25
Key Biscayne
Key Colony III Emerald Bay, #540
Key Biscayne, FL 33149
2 Bd2 Ba1,532 SF
Condominium
$975,000
$636 SF
Listing by: Fortune Christie's International Real Estate
Contract:2/7/2025$975,000
datePricevariancetype
2/7/2025$975,000--Contract
1/14/2025$975,000-9.30%decreased
11/12/2024$1,075,000--Listed
0. 455 Grand Bay Dr
Key Biscayne
Grand Bay Ritz Carlton, #517
Key Biscayne, FL 33149
1 Ba532 SF
Condominium
$675,000
$1,269 SF
Listed:11/15/2024$675,000
datePricevariancetype
11/15/2024$675,000--Listed
10/17/2024$675,000--Contract
9/14/2024$675,000--Listed
0. 1121 Crandon Blvd
Contract 01-31-25
Key Biscayne
Towers of Key Biscayne, #F806
Key Biscayne, FL 33149
3 Bd2 Ba1,782 SF
Condominium
$1,770,000
$993 SF
Listing by: Avanti Way
Contract:1/31/2025$1,770,000
datePricevariancetype
1/31/2025$1,770,000--Contract
11/1/2024$1,770,000--Listed
0. 210 Sea View Dr
Key Biscayne
210 Sea View Dr
Key Biscayne, FL 33149
2 Bd2 Ba1,330 SF
Condominium
$835,000
$628 SF
Listing by: One Sotheby's International Realty
Listed:11/8/2024$835,000
datePricevariancetype
11/8/2024$835,000--Listed
0. 250 Buttonwood Drive
Key Biscayne
250 Buttonwood Drive
Key Biscayne, FL 33149
5 Bd5 Ba4,618 SF
Single Family Home
$7,150,000
$1,548 SF
Listing by: One Sotheby's International Realty
Listed:11/6/2024$7,150,000
datePricevariancetype
11/6/2024$7,150,000--Listed
0. 265 Grapetree Dr
Contract 07-11-25
Key Biscayne
265 Grapetree Dr
Key Biscayne, FL 33149
3 Bd2 Ba1,404 SF
Townhouse
$1,239,999
$883 SF
Listing by: Beycome of Florida LLC
Contract:7/11/2025$1,239,999
datePricevariancetype
7/11/2025$1,239,999--Contract
6/19/2025$1,239,999-1.59%decreased
6/11/2025$1,259,999-1.49%decreased
6/5/2025$1,279,000-0.39%decreased
6/3/2025$1,283,999-4.57%decreased
5/30/2025$1,345,500-0.26%decreased
5/21/2025$1,349,000-0.48%decreased
5/12/2025$1,355,500-2.31%decreased
4/15/2025$1,387,500-0.68%decreased
3/6/2025$1,397,000-0.07%decreased
2/20/2025$1,398,000+0.07%increased
2/13/2025$1,397,000+0.07%increased
1/25/2025$1,396,000+0.07%increased
10/30/2024$1,395,000--Listed
0. 361 W Heather Dr
Reduced 06-06-25
Key Biscayne
361 W Heather Dr
Key Biscayne, FL 33149
4 Bd3 Ba1,570 SF
Single Family Home
$2,699,000
$1,719 SF
Listing by: One Sotheby's International Realty
decreased:6/6/2025$2,699,000(1.85%)
datePricevariancetype
6/6/2025$2,699,000-1.85%decreased
4/7/2025$2,750,000-1.61%decreased
3/11/2025$2,795,000-1.93%decreased
10/30/2024$2,850,000--Listed
0. 520 S Mashta Dr
Key Biscayne
520 S Mashta Dr
Key Biscayne, FL 33149
5 Bd4 Ba3,085 SF
Single Family Home
$18,900,000
$6,126 SF
Listing by: Douglas Elliman
decreased:1/6/2025$18,900,000(5.50%)
datePricevariancetype
1/6/2025$18,900,000-5.50%decreased
10/29/2024$20,000,000--Listed
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