Marathon Homes for Sale

Marathon is the heart of the Middle Keys, a full-service town with its own hospital, airport, and marinas, plus Sombrero Beach. Buyers find everything here, from canal-front homes to investment-friendly condos. Browse the latest Marathon listings below, straight from the Florida Keys MLS.

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199 Matches Found
Property photo for 6204 Gulf Of Mexico Boulevard 204, Marathon, FL 33050 $975,000
6204 Gulf Of Mexico Boulevard 204, Marathon, FL
Active
3BD 2BA 1,602SF
Last Modified: 9:33pm, July 31, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Property photo for 1998 Overseas Highway APT 24A, Marathon, FL 33050 $625,000
1998 Overseas Highway APT 24A, Marathon, FL
Active
3BD 2BA 1,650SF
Last Modified: 8:17pm, July 31, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Property photo for 870 Copa D Oro, Marathon, FL 33050 $1,900,000
870 Copa D Oro, Marathon, FL
Active
3BD 3BA 1,560SF
Last Modified: 1:49pm, July 22, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Property photo for 59720 Overseas Highway 9, Marathon, FL 33050 $3,100,000
59720 Overseas Highway 9, Marathon, FL
Active
5BD 5BA 3,013SF
Last Modified: 3:55am, July 20, 2026
IDX
Listing Office: Internet Realty of the Florida Keys Inc
Property photo for 11600 1st Avenue Gulf 26, Marathon, FL 33050 $1,199,000
11600 1st Avenue Gulf 26, Marathon, FL
Active
3BD 3BA 1,600SF
Last Modified: 3:46pm, July 17, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Property photo for 12690 Overseas Highway APT 310, Marathon, FL 33050 $799,000
12690 Overseas Highway APT 310, Marathon, FL
Active
2BD 2BA 1,352SF
Last Modified: 8:19pm, July 13, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co
Property photo for 57223 Morton Street, Marathon, FL 33050 $35,000,000
57223 Morton Street, Marathon, FL
Active
9BD 10BA 9,530SF
Last Modified: 5:29pm, July 7, 2026
IDX
Listing Office: Ocean Sotheby's International Realty
Property photo for 2000 Coco Plum Drive 106, Marathon, FL 33050 $599,999
2000 Coco Plum Drive 106, Marathon, FL
Active
2BD 2BA 1,214SF
Last Modified: 2:09am, July 3, 2026
IDX
Listing Office: eXp Realty LLC KW Branch
Property photo for 245 41st Street, Marathon, FL 33050 $375,000
245 41st Street, Marathon, FL
Active
2BD 1BA 680SF
Last Modified: 6:54pm, July 2, 2026
IDX
Listing Office: LPT Realty, LLC
Property photo for 11490 2nd Avenue Ocean, Marathon, FL 33050 $999,000
11490 2nd Avenue Ocean, Marathon, FL
Active
2BD 2BA 1,435SF
Last Modified: 9:34pm, June 19, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Modern Coastal Exterior with Multiple Front Balconies $3,499,977
2483 Yellowtail Drive, Marathon, FL
Active
6BD 7BA 3,976SF
Last Modified: 4:41pm, June 19, 2026
IDX
Listing Office: No Nonsense Real Estate Branch Office
Property photo for 317 Tropical Avenue, Marathon, FL 33050 $1,100,000
317 Tropical Avenue, Marathon, FL
Contingent/Show
4BD 3BA 1,740SF
Last Modified: 12:32am, June 19, 2026
IDX
Listing Office: No Nonsense Real Estate Branch Office
Property photo for 6500-6600 Overseas Highway, Marathon, FL 33050 $9,500,000
6500-6600 Overseas Highway, Marathon, FL
Active
6BD 11BA 10,852SF
Last Modified: 5:28pm, June 9, 2026
IDX
Listing Office: Ocean Sotheby's International
Backyard exterior $4,500,000
8070 Gulfstream Boulevard, Marathon, FL
Active
3BD 2BA 1,764SF
Last Modified: 11:30pm, June 3, 2026
IDX
Listing Office: KeysCations Realty
Property photo for 1252 24Th Street Ocean, Marathon, FL 33050 $2,199,000
1252 24Th Street Ocean, Marathon, FL
Active
3BD 3BA 1,720SF
Last Modified: 12:33am, June 3, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Property photo for 11600 1St Avenue Gulf 32, Marathon, FL 33050 $1,499,000
11600 1St Avenue Gulf 32, Marathon, FL
Active
3BD 3BA 1,600SF
Last Modified: 6:03pm, May 28, 2026
IDX
Listing Office: Berkshire Hathaway HomeServices Keys Real Estate - Islamorada
Property photo for 293 96Th Street Ocean, Marathon, FL 33050 $699,000
293 96Th Street Ocean, Marathon, FL
Active
3BD 2BA 1,158SF
Last Modified: 2:25pm, May 21, 2026
IDX
Listing Office: Keller Williams Key West Compass Realty
Property photo for 7501 Gulfstream Boulevard, Marathon, FL 33050 $1,638,888
7501 Gulfstream Boulevard, Marathon, FL
Active
3BD 3BA 2,405SF
Last Modified: 8:09pm, May 14, 2026
IDX
Listing Office: Berkshire Hathaway HomeServices Keys Real Estate
Property photo for 655 92Nd St Ocean Street, Marathon, FL 33050 $525,000
655 92Nd St Ocean Street, Marathon, FL
Contingent/Show
3BD 3BA 1,326SF
Last Modified: 7:35pm, May 8, 2026
IDX
Listing Office: Florida Keys Real Estate Group
Property photo for 10877 Overseas Highway 44, Marathon, FL 33050 $909,000
10877 Overseas Highway 44, Marathon, FL
Active
1BD 2BA 1,714SF
Last Modified: 4:18pm, May 1, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co. (KW)
Property photo for 8188 Aviation Boulevard, Marathon, FL 33050 $1,349,000
8188 Aviation Boulevard, Marathon, FL
Active
2BD 2BA 1,134SF
Last Modified: 1:15pm, April 7, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Property photo for 1 Avenue F, Marathon, FL 33050 $1,649,999
1 Avenue F, Marathon, FL
Active
2BD 2BA 1,515SF
Last Modified: 2:20pm, March 31, 2026
IDX
Listing Office: Beycome of Florida, LLC
Property photo for 810 62Nd Street Ocean Street, Marathon, FL 33050 $1,279,000
810 62Nd Street Ocean Street, Marathon, FL
Active
3BD 2BA 1,128SF
Last Modified: 8:29pm, March 17, 2026
IDX
Listing Office: Florida Keys Real Estate Group
Property photo for 1998 Overseas Highway A44, Marathon, FL 33050 $649,999
1998 Overseas Highway A44, Marathon, FL
Active
3BD 2BA 2,100SF
Last Modified: 2:48pm, February 14, 2026
IDX
Listing Office: Coldwell Banker Schmitt Real Estate Co.
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The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.
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