Conch Key Single Family Homes for Sale - Marathon, Florida

Name: Open House: 10AM-11AM
Start: 2026-05-16T14:00:00+00:00
End: 2026-05-16T15:30:00+00:00
Location: 641 12th St, Key Colony Beach, FL 33051

Real Estate & Homes For Sale Near Conch Key, Marathon, FL

We found 30 more homes matching your filters just outside Conch Key

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NEW - 4 HRS AGO
$1,335,000
3 Beds
2 Baths
1,682 sqft
440 9th St,
Key Colony Beach, FL 33051
Ocean Sotheby's International
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NEW - 7 HRS AGO
0.49 ACRES
$1,825,000
3 Beds
2 Baths
1,280 sqft
58773 Overseas Hwy,
Grassy Key, FL 33050
Coldwell Banker Schmitt Real Estate Co.
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NEW - 10 HRS AGO
$1,499,000
4 Beds
3 Baths
1,740 sqft
11250 3rd Ave,
Marathon, FL 33050
Coldwell Banker Schmitt Real Estate Co.
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NEW - 11 HRS AGO
NEW CONSTRUCTION
0.38 ACRES
$2,500,000
4 Beds
4.5 Baths
2,040 sqft
229 Pescayo Ave,
Marathon, FL 33050
Coldwell Banker Schmitt Real Estate Co.
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NEW
OPEN SAT, 10-11:30AM
$2,275,000
3 Beds
3 Baths
2,001 sqft
641 12th St,
Key Colony Beach, FL 33051
LPT Realty, LLC
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NEW - 1 DAY AGO
0.35 ACRES
$3,199,000
3 Beds
2 Baths
1,260 sqft
75071 Overseas Hwy,
Islamorada, FL 33036
Coastal Realty of the Florida Keys
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NEW - 2 DAYS AGO
$590,000
2 Beds
1.5 Baths
101 11th Street Ocean #0032,
Marathon, FL 33050
Engel & Völkers Islamorada
NEW - 2 DAYS AGO
$315,000
2 Beds
1 Bath
783 sqft
252 66th St,
Marathon, FL 33050
Coldwell Banker Schmitt Islamorada
NEW - 2 DAYS AGO
$295,000
2 Beds
1 Bath
783 sqft
250 66th St,
Marathon, FL 33050
Coldwell Banker Schmitt Islamorada
0.27 ACRES
$1,199,000
3 Beds
3 Baths
2,022 sqft
143 N Hammock Rd,
Islamorada, FL 33036
Flat Fee MLS Realty
$2,150,000
5 Beds
3 Baths
2,719 sqft
112 Bruce Ct,
Marathon, FL 33050
Ocean Sotheby's International
3D VIEW
0.48 ACRES
$3,200,000
4 Beds
4 Baths
3,222 sqft
82 Tingler Ln,
Marathon, FL 33050
Coldwell Banker Schmitt Real Estate Co
$639,000
3 Beds
2 Baths
768 sqft
414 Mahogany Ave,
Key Largo, FL 33037
Coldwell Banker Realty
NEW CONSTRUCTION
2.05 ACRES
$40,000,000
8 Beds
9.5 Baths
9,704 sqft
88835 & 88845 Old Hwy,
Plantation Key, FL 33070
Serhant Florida LLC - Coconut Grove
NEW CONSTRUCTION
2.16 ACRES
$27,000,000
5 Beds
7 Baths
8,200 sqft
88845 Old Hwy,
Plantation Key, FL 33070
Serhant Florida LLC - Coconut Grove
NEW CONSTRUCTION
2.05 ACRES
$15,000,000
3 Beds
3 Baths
1,504 sqft
88835 Old Hwy,
Tavernier, FL 33070
Serhant Florida LLC - Coconut Grove
0.95 ACRES
$13,000,000
5 Beds
5 Baths
5,048 sqft
65760 Overseas Hwy,
Long Key, FL 33001
Florida Keys Real Estate Group
NEW CONSTRUCTION
0.32 ACRES
$2,197,000
5 Beds
5 Baths
3,467 sqft
199 Stirrup Key Blvd,
Marathon, FL 33050
No Nonsense Real Estate Branch Office
3D VIEW
0.61 ACRES
$2,699,500
4 Beds
2.5 Baths
1,464 sqft
58121 Morton St,
Grassy Key, FL 33050
Coldwell Banker Schmitt Key Largo
$1,250,000
3 Beds
2.5 Baths
1,576 sqft
280 100th St,
Marathon, FL 33050
Coldwell Banker Schmitt Real Estate Co.
0.25 ACRES
$1,179,000
4 Beds
3 Baths
2,361 sqft
148 Iroquois St,
Tavernier, FL 33070
Coastal Realty of the Florida Keys
OPEN SUN, 1-3PM
$675,000
2 Beds
1 Bath
885 sqft
8 Ocean View Blvd,
Key Largo, FL 33037
Compass Florida - Miami Beach
OPEN SAT, 11-1PM
0.26 ACRES
$2,249,000
4 Beds
3 Baths
3,414 sqft
205 Stirrup Key Blvd,
Marathon, FL 33050
Coldwell Banker Schmitt Islamorada
$530,000
2 Beds
1 Bath
624 sqft
107 Tavern Dr,
Tavernier, FL 33070
Coldwell Banker Schmitt Islamorada
NEW CONSTRUCTION
3D VIEW
2.08 ACRES
$13,950,000
7 Beds
6 Baths
5,900 sqft
75840 Overseas Hwy,
Islamorada, FL 33036
Berkshire Hathaway HomeServices Keys Real Estate - Islamorada
OPEN THU, 12:30-2:30PM
$799,000
4 Beds
2 Baths
1,512 sqft
112 Peace Ave,
Tavernier, FL 33070
Ocean Sotheby's International Realty
NEW CONSTRUCTION
$11,995,900
7 Beds
8 Baths
6,585 sqft
16 Seaside Ave,
Key Largo, FL 33037
Realty & Resources, LLC
OPEN SUN, 11-1PM
$2,200,000
5 Beds
3.5 Baths
1,924 sqft
103 52nd St,
Marathon, FL 33050
Ocean Sotheby's International Realty
FOR SALE BY OWNER
$649,000
2 Beds
1.5 Baths
1,008 sqft
377 Guava Ave,
Grassy Key, FL 33050
NEW CONSTRUCTION
$2,000,000
4 Beds
3 Baths
2,112 sqft
225 Normandy Dr,
Tavernier, FL 33070
Lifestyle International Realty