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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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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
50. 765 Crandon Blvd
1. 765 Crandon Blvd
2. 765 Crandon Blvd
1 of 50
Key Biscayne
Ocean Club Lake Tower, #305
Key Biscayne, FL 33149
3 Bd3 Ba2,602 SF
Condominium
$2,450,000
$942 SF
Listing by: Fortune Christie's International Real Estate
decreased:2/7/2025$2,450,000(5.59%)
datePricevariancetype
2/7/2025$2,450,000-5.59%decreased
10/28/2024$2,595,000-1.33%decreased
12/20/2023$2,630,000--Listed
0. 199 Ocean Lane Dr
Contract 03-21-25
Key Biscayne
199 Ocean Lane Dr
Key Biscayne, FL 33149
2 Bd2 Ba1,260 SF
Condominium
$1,250,000
$992 SF
Listing by: EXP Realty LLC
Contract:3/21/2025$1,250,000
datePricevariancetype
3/21/2025$1,250,000--Contract
11/27/2024$1,250,000-3.85%decreased
10/22/2024$1,300,000--Listed
0. 181 Crandon Blvd
Contract 03-18-25
Key Biscayne
181 Crandon Blvd
Key Biscayne, FL 33149
2 Bd2 Ba1,715 SF
Condominium
$1,130,000
$659 SF
Listing by: One Sotheby's International Realty
Contract:3/18/2025$1,130,000
datePricevariancetype
3/18/2025$1,130,000--Contract
2/12/2025$1,130,000-5.83%decreased
10/20/2024$1,200,000--Listed
33. 269 W Mashta Dr
1. 269 W Mashta Dr
2. 269 W Mashta Dr
1 of 33
Contract 11-06-24
Key Biscayne
269 W Mashta Dr
Key Biscayne, FL 33149
5 Bd4 Ba2,867 SF
Single Family
$3,250,000
$1,134 SF
Contract:11/6/2024$3,250,000
datePricevariancetype
11/6/2024$3,250,000--Contract
10/9/2024$3,250,000--Listed
15. 590 Ocean Dr
1. 590 Ocean Dr
2. 590 Ocean Dr
1 of 15
Contract 04-30-25
Key Biscayne
590 Ocean Dr
Key Biscayne, FL 33149
2 Bd2 Ba1,365 SF
Condominium
$900,000
$659 SF
Listing by: Fortune Christie's International Real Estate
Contract:4/30/2025$900,000
datePricevariancetype
4/30/2025$900,000--Contract
3/7/2025$900,000-5.26%decreased
11/14/2024$950,000-5.00%decreased
7/24/2024$1,000,000--Listed
27. 150 Sunrise Dr
1. 150 Sunrise Dr
2. 150 Sunrise Dr
1 of 27
Key Biscayne
150 Sunrise Dr
Key Biscayne, FL 33149
2 Bd2 Ba1,139 SF
Condominium
$1,090,000
$957 SF
Listing by: Fortune Christie's International Real Estate
decreased:4/2/2025$1,090,000(8.40%)
datePricevariancetype
4/2/2025$1,090,000-8.40%decreased
3/4/2025$1,190,000-4.80%decreased
11/26/2024$1,250,000-10.71%decreased
10/4/2024$1,400,000--Listed
0. 201 Crandon Blvd
Key Biscayne
Key Colony I Tidemark, #174
Key Biscayne, FL 33149
4 Bd5 Ba3,254 SF
Townhouse
$5,500,000
$1,690 SF
Listing by: Sea Grove Realty
decreased:5/27/2025$5,500,000(4.35%)
datePricevariancetype
5/27/2025$5,500,000-4.35%decreased
4/8/2025$5,750,000-2.54%decreased
10/1/2024$5,900,000--Listed
0. 445 Grand Bay Drive
Key Biscayne
Grand Bay Residences, #PH-2A
Key Biscayne, FL 33149
4 Bd5 Ba7,400 SF
Condominium
$10,500,000
$1,419 SF
Listing by: One Sotheby's International Realty
Listed:9/27/2024$10,500,000
datePricevariancetype
9/27/2024$10,500,000--Listed
45. 350 Ocean Dr
1. 350 Ocean Dr
2. 350 Ocean Dr
1 of 45
Key Biscayne
Oceana Key Biscayne, #406N
Key Biscayne, FL 33149
3 Bd4 Ba2,257 SF
Condominium
$5,850,000
$2,592 SF
Listing by: Fortune Christie's International Real Estate
Listed:9/25/2024$5,850,000
datePricevariancetype
9/25/2024$5,850,000--Listed
0. 781 Crandon Blvd
Key Biscayne
Ocean Club Tower 3, #401
Key Biscayne, FL 33149
3 Bd4 Ba3,093 SF
Condominium
$3,585,000
$1,159 SF
Listing by: One Sotheby's International Realty
decreased:12/10/2024$3,585,000(2.71%)
datePricevariancetype
12/10/2024$3,585,000-2.71%decreased
9/16/2024$3,685,000--Listed
13. 791 Allendale Rd
1. 791 Allendale Rd
2. 791 Allendale Rd
1 of 13
Key Biscayne
791 Allendale Rd
Key Biscayne, FL 33149
4 Bd2 Ba1,831 SF
Single Family Home
$3,100,000
$1,693 SF
Listing by: Sunland Real Estate, LLC.
Listed:9/14/2024$3,100,000
datePricevariancetype
9/14/2024$3,100,000--Listed
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