Luxury Homes for Sale in Marathon, FL

The luxury market in Marathon starts at $1,870,000 — about 1.5× the city’s median asking price. This page is every active listing at that level, refreshed nightly from the MLS, with what has actually closed, where the inventory sits and how long it takes to sell. For the wider picture see all homes for sale in Marathon.

62 luxury homes are for sale in Marathon, FL at $1,870,000 and up — median asking $3,280,000, the top listing at $35,000,000. 97% of the luxury inventory is waterfront; 40% is new construction. Median days on market: 114.

Newest luxury listings in Marathon

853 104Th Street, luxury home for sale in Marathon
$5,200,000 New
3 bd · 3 ba · built 2016
853 104Th Street, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
108 Avenue D, luxury home for sale in Marathon
$5,499,000 New
6 bd · 5.5 ba · built 2019
108 Avenue D, 33050
Listing courtesy of Golden International Realty
835 & 837 Copa D Oro, luxury home for sale in Marathon
$5,399,000
8 bd · 8 ba · built 2023
835 & 837 Copa D Oro, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
57457 Morton Street, luxury home for sale in Marathon
$2,695,000
2 bd · 2 ba · built 1954
57457 Morton Street, 33050
Listing courtesy of Berkshire Hathaway HomeServices Keys Real Estate
875 50Th Street Gulf, luxury home for sale in Marathon
$5,499,000
5 bd · 5 ba · built 2022
875 50Th Street Gulf, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co
69 Tingler Lane, luxury home for sale in Marathon
$3,450,000
5 bd · 4 ba · built 1963
69 Tingler Lane, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co
111 Avenue D #2, luxury home for sale in Marathon
$2,899,000
5 bd · 5 ba · built 2026
111 Avenue D #2, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
171 Avenue D, luxury home for sale in Marathon
$2,395,000
4 bd · 3 ba · built 2023
171 Avenue D, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
1590 Pelican, luxury home for sale in Marathon
$4,999,999
5 bd · 4.5 ba · built 1958
1590 Pelican, 33050
Listing courtesy of Cypress Realty, Inc.
211 S Anglers Drive, luxury home for sale in Marathon
$2,395,000
4 bd · 3 ba · built 2020
211 S Anglers Drive, 33050
Listing courtesy of American Caribbean Real Estate, Christie's International Real Estate
1 E Sister Rock Island, luxury home for sale in Marathon
$16,000,000
4 bd · 3 ba · built 1980
1 E Sister Rock Island, 33050
Listing courtesy of Compass Florida, LLC
813 39Th St Gulf Street, luxury home for sale in Marathon
$3,795,000
5 bd · 4 ba · built 2025
813 39Th St Gulf Street, 33050
Listing courtesy of Re/Max Alliance Group
121 Calle Ensueno, luxury home for sale in Marathon
$2,800,000
4 bd · 3.5 ba · built 1998
121 Calle Ensueno, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
108 Sunset Drive, luxury home for sale in Marathon
$4,499,000
3 bd · 4 ba · built 1982
108 Sunset Drive, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co
119 Coco Plum Drive, luxury home for sale in Marathon
$15,000,000
5 bd · 4.5 ba · built 2006
119 Coco Plum Drive, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
870 Copa D Oro, luxury home for sale in Marathon
$1,900,000
3 bd · 3 ba · built 1987
870 Copa D Oro, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
108 Sunrise Drive, luxury home for sale in Marathon
$7,495,000
5 bd · 5 ba · built 2019
108 Sunrise Drive, 33050
Listing courtesy of LoKation Real Estate - Pompano Beach
106 Alynn Place, luxury home for sale in Marathon
$1,900,000
3 bd · 2 ba · built 2018
106 Alynn Place, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
64 Tingler Lane, luxury home for sale in Marathon
$2,250,000
3 bd · 2 ba · built 1964
64 Tingler Lane, 33050
Listing courtesy of Florida Keys Real Estate Group
57733 Morton Street, luxury home for sale in Marathon
$14,995,000
11 bd · 8.5 ba · built 2001
57733 Morton Street, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co
555 70Th Street Gulf, luxury home for sale in Marathon
$2,950,000
5 bd · 3 ba · built 1972
555 70Th Street Gulf, 33050
Listing courtesy of Florida Keys Real Estate Group
58244 Overseas Highway, luxury home for sale in Marathon
$3,260,000
4 bd · 3 ba · built 2024
58244 Overseas Highway, 33050
Listing courtesy of Berkshire Hathaway HomeServices Keys Real Estate
1400 W 63Rd Street Ocean, luxury home for sale in Marathon
$2,299,000
2 bd · 2.5 ba · built 1990
1400 W 63Rd Street Ocean, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
4800 Overseas Highway #54, luxury home for sale in Marathon
$6,500,000
4 bd · 3.5 ba · built 2026
4800 Overseas Highway #54, 33050
Listing courtesy of Engel & Völkers Marathon
1040 81St Street Ocean Street, luxury home for sale in Marathon
$2,099,000
3 bd · 2 ba · built 2008
1040 81St Street Ocean Street, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co
835 Copa D Oro, luxury home for sale in Marathon
$2,799,000
4 bd · 4 ba · built 2023
835 Copa D Oro, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
837 Copa D Oro, luxury home for sale in Marathon
$2,799,000
4 bd · 4 ba · built 2023
837 Copa D Oro, 33050
Listing courtesy of Coldwell Banker Schmitt Real Estate Co.
900 101St Street Ocean Street, luxury home for sale in Marathon
$2,799,999
6 bd · 6 ba · built 1973
900 101St Street Ocean Street, 33050
Listing courtesy of LoKation Real Estate - Pompano Beach
128 Sunrise Drive, luxury home for sale in Marathon
$7,750,000
4 bd · 4.5 ba · built 2025
128 Sunrise Drive, 33050
Listing courtesy of Berkshire Hathaway HomeServices Keys Real Estate - Islamorada
499 Avenida Primiceria, luxury home for sale in Marathon
$2,100,000
3 bd · 2 ba · built 1979
499 Avenida Primiceria, 33050
Listing courtesy of Berkshire Hathaway HomeServices Keys Real Estate

The most expensive homes for sale in Marathon

ListingAskingSq ft$ / sq ftCommunity
57223 Morton Street$35,000,000
57783 Morton Street$29,500,000
1 E Sister Rock Island$16,000,000
119 Coco Plum Drive$15,000,000
57733 Morton Street$14,995,000
2394 Coco Plum Drive$11,000,000
6500-6600 Overseas Highway$9,500,000
100 Tingler Lane$8,299,999
128 Sunrise Drive$7,750,000
108 Sunrise Drive$7,495,000

Luxury inventory by price

BandFor saleShare
$1,500,000–$2,000,00035%
$2,000,000–$3,000,0002642%
$3,000,000–$5,000,0001727%
$5,000,000+1626%

How to read this

Luxury is defined here as asking prices at or above $1,870,000. Counts, medians and closings come from active and closed MLS listings as of September 18, 2026; closings are the trailing 12 months. Listings appear courtesy of the listing brokerage under IDX rules; information deemed reliable but not guaranteed. See also all 179 homes for sale in Marathon.

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Common questions

How many luxury homes are for sale in Marathon?

62 homes are listed at $1,870,000 or more in Marathon, FL as of September 18, 2026, with a median asking price of $3,280,000.

What is the most expensive home for sale in Marathon?

The highest asking price right now is $35,000,000.

Which Marathon communities have the most luxury listings?

See the table above.