Condos for Sale in Monroe County, FL

127 condos are for sale in Monroe County, FL as of 2026-09-06. The median list price is $689,000, most condos list between $399K to $1.30M, and the median listing has been on the market 115 days. 8 condos came on the market this week.

Newest condos for sale in Monroe County

The most recently listed homes in Monroe County, newest first, with photos. Each card opens the full listing with every photo, the community’s sales history and a tour request. Homes marked New listed in the last seven days.

$595,000 New

1 bd · 2 ba

10877 Overseas Highway #APT 112

Marathon

Listing courtesy of Lokation Real Estate

$2.15M New

4 bd · 3 ba

97501 Overseas Highway #321

Key Largo

Listing courtesy of Coldwell Banker Realty - Coral Gables

$1.23M New

1 bd · 1 ba

714 Olivia Street ## 6

Key West

Listing courtesy of Key West Sales, LLC

$445,000 New

1 bd · 1.5 ba

2000 Coco Plum Drive #503

Marathon

Listing courtesy of Key Colony Beach Realty

$379,000 New

1 bd · 1.5 ba

2000 Coco Plum Drive #302

Marathon

Listing courtesy of Florida Keys Real Estate Group

$739,000 New

2 bd · 2 ba

104500 Overseas Highway #APT B102

Key Largo

Listing courtesy of American Caribbean Real Estate, Christie's International Real Estate

$409,999 New

1 bd · 1 ba

105 Avenue D #APT 113

Marathon

Listing courtesy of Island Welcome Real Estate LLC

$995,000 New

2 bd · 2 ba

1800 Atlantic Boulevard #325C

Key West

Listing courtesy of Brightwild Real Estate

$469,000

2 bd · 2 ba

389 N Anglers Drive #206

Marathon

Listing courtesy of Berkshire Hathaway HomeServices Keys Real Estate

$1.60M

3 bd · 2.5 ba

1515 Sombrero Boulevard #2B

Marathon

Listing courtesy of Coldwell Banker Schmitt Real Estate Co.

$729,000

2 bd · 1 ba

906 Truman Avenue #APT 1

Key West

Listing courtesy of Key West Luxury Real Estate Inc (KW)

$550,000

1 bd · 1.5 ba

10877 Overseas Highway #APT 97

Marathon

Listing courtesy of Lokation Real Estate

$795,000

3 bd · 2 ba

6203 Gulf Of Mexico Boulevard #203

Marathon

Listing courtesy of Berkshire Hathaway HomeServices Keys Real Estate

$585,000

2 bd · 2.5 ba

12690 Overseas Highway #APT 52

Marathon

Listing courtesy of Florida Keys Real Estate Group

$575,000

2 bd · 1 ba

1332 Seminary Street #103

Key West

Listing courtesy of Ocean Sotheby's International Realty

$625,000

1 bd · 1 ba

1901 S Roosevelt Boulevard #407N

Key West

Listing courtesy of Keller Williams Key West Compass Realty

$995,000

2 bd · 2 ba

1116 Truman Avenue #A

Key West

Listing courtesy of Keller Williams Key West Compass Realty

$849,900

2 bd · 2 ba

1901 S Roosevelt Boulevard #104N

Key West

Listing courtesy of Ocean Sotheby's International Realty

$820,000

3 bd · 2 ba

2000 Overseas Highway #4G

Marathon

Listing courtesy of Keller Williams Key West Compass Realty

$779,000

2 bd · 2 ba

906 Truman Avenue #2

Key West

Listing courtesy of Keller Williams Key West Compass Realty

$350,000

3 bd · 3 ba

104000 Overseas Highway

Key Largo

Listing courtesy of Century 21 Circle- Islamorada

$509,000

2 bd · 2 ba

9 Sombrero Boulevard #108

Marathon

Listing courtesy of Key Colony Beach Realty

$599,000

1 bd · 1 ba

816 South Street #4

Key West

Listing courtesy of Truman & Co. (KW)

$599,000

2 bd · 2 ba

107 Avenue D #APT 208

Marathon

Listing courtesy of LPT Realty, LLC

Monroe County condos for sale by price

Every active listing in Monroe County grouped by price, with the newest listings in each band. The median is $689,000; the busiest band is $500K – $750K.

$300K – $400K: 13 homes

• $379,000 · 1 bd / 1.5 ba · 2000 Coco Plum Drive #302
• $350,000 · 3 bd / 3 ba · 104000 Overseas Highway
• $365,000 · 2 bd / 1 ba · 3312 Northside Drive #APT 504
• $374,000 · 2 bd / 2 ba · 98402 Windward Avenue

$400K – $500K: 14 homes

• $445,000 · 1 bd / 1.5 ba · 2000 Coco Plum Drive #503
• $409,999 · 1 bd / 1 ba · 105 Avenue D #APT 113
• $469,000 · 2 bd / 2 ba · 389 N Anglers Drive #206
• $475,000 · 2 bd / 2 ba · 3930 S Roosevelt Boulevard #N108

$500K – $750K: 50 homes

• $595,000 · 1 bd / 2 ba · 10877 Overseas Highway #APT 112
• $739,000 · 2 bd / 2 ba · 104500 Overseas Highway #APT B102
• $729,000 · 2 bd / 1 ba · 906 Truman Avenue #APT 1
• $550,000 · 1 bd / 1.5 ba · 10877 Overseas Highway #APT 97

$750K – $1M: 27 homes

• $995,000 · 2 bd / 2 ba · 1800 Atlantic Boulevard #325C
• $795,000 · 3 bd / 2 ba · 6203 Gulf Of Mexico Boulevard #203
• $849,900 · 2 bd / 2 ba · 1901 S Roosevelt Boulevard #104N
• $995,000 · 2 bd / 2 ba · 1116 Truman Avenue #A

$1M and up: 23 homes

• $1.23M · 1 bd / 1 ba · 714 Olivia Street ## 6
• $2.15M · 4 bd / 3 ba · 97501 Overseas Highway #321
• $1.60M · 3 bd / 2.5 ba · 1515 Sombrero Boulevard #2B
• $4.50M · 3 bd / 3 ba · 1500 Atlantic Boulevard #308

What a home in Monroe County costs to own

Take the median $689,000 listing with 20% down at today’s 6.71% 30-year rate: principal and interest run about $3,560/month. Monroe County’s typical millage of 8.82 puts property tax near $5,633/year after the $50,000 homestead exemption — and that is the reset bill a buyer pays, not the seller’s capped one. Citizens’ average premium in Monroe County is about $4,380/year; newer roofs and inland addresses usually quote below it. All in, plan on roughly $4,395/month plus any HOA or CDD assessment.

Explore Monroe County

• Monroe County market intelligence: prices, supply and trends
• Monroe County property tax guide
• Search every Monroe County community
• All Florida cities and counties

Condos for sale by city in Monroe County

• Condos for sale in Key Largo, FL — 263 listings
• Condos for sale in Key West, FL — 230 listings
• Condos for sale in Marathon, FL — 181 listings
• Condos for sale in Cudjoe Key, FL — 46 listings

Common questions

Listings, counts and prices are from Momentum Realty’s MLS record of active residential listings in Monroe County as of 2026-09-06 and refresh as homes list and sell. Listing data provided by Florida Keys MLS, Inc. Information is deemed reliable but is not guaranteed by the MLS to be accurate. The data relating to real estate for sale on this page comes in part from the Internet Data Exchange (IDX) program of the MLS(s) named above; listings held by brokerages other than Momentum Realty are marked with the listing brokerage’s name. Information is deemed reliable but not guaranteed. Estimates are not guarantees. Equal Housing Opportunity.