Waterfront Homes for Sale in Marathon, FL
This page tracks every Marathon listing whose MLS record reports waterfront (ocean, bay, Intracoastal, river, canal or lake frontage), by community, with live counts and asking prices, and the costs that come with the water.
162 waterfront homes are for sale or pending in Marathon, FL today across 71 communities. The median asking price is $1,444,500, from $300,000 to $35,000,000. Listings in Marathon without that feature have a median of $644,999. Most listings right now: Sea-Air Estates (52.0) (9), Ocean Isles Fishing (52.5) (8), Coco Plum Beach (54.5) (7). Updated September 27, 2026 from the MLS.
Marathon waterfront homes by community
Click a community for its full guide: prices, HOA reality, insurance posture and the homes for sale. The 60 communities with the most waterfront homes listed are tabled; the rest follow.
| Community | Waterfront Homes | New build | Median list | From |
|---|---|---|---|---|
| Sea-Air Estates (52.0) | 9 | 1 | $2,150,000 | $499,000 |
| Ocean Isles Fishing (52.5) | 8 | 4 | $539,500 | $355,500 |
| Coco Plum Beach (54.5) | 7 | 3 | $2,780,000 | $1,649,999 |
| Stirrup Key Sub (52.5) | 6 | 0 | $3,850,000 | $2,099,000 |
| Grassy Key (58.9) | 6 | 4 | $3,037,500 | $1,600,000 |
| Flamingo Island (49.5) | 6 | 3 | $2,474,000 | $1,195,000 |
| Crains Sub (58.0) | 5 | 3 | $14,995,000 | $3,260,000 |
| Key Colony Sub (53.0) | 5 | 0 | $1,333,000 | $990,000 |
| Bonefish Townhouses (54.5) | 5 | 0 | $1,175,000 | $899,000 |
| Venice (52.0) | 4 | 0 | $1,444,000 | $1,050,000 |
| Sombrero Sub (49.5) | 4 | 0 | $1,074,000 | $725,000 |
| Bonefish Towers (54.5) | 4 | 0 | $522,499 | $379,000 |
| Coco Plum (54.6) | 3 | 2 | $3,690,000 | $2,395,000 |
| Sombrero Properties (49.5) | 3 | 0 | $1,650,000 | $1,549,000 |
| Sombrero Anglers C N (49.5) | 3 | 0 | $1,400,000 | $1,399,000 |
| Indigo Reef Marina Homes (52.5) | 3 | 0 | $1,199,000 | $999,000 |
| Seawatch (53.5) | 3 | 0 | $975,000 | $795,000 |
| Sheryl Sub (50.5) | 3 | 0 | $895,000 | $895,000 |
| Tranquility Bay (48.5) | 3 | 0 | $849,000 | $399,000 |
| Gulfpointe (53.5) | 3 | 0 | $799,000 | $729,000 |
| Coco Plum Terraces (54.5) | 3 | 0 | $435,000 | $409,999 |
| Misc Sombrero Area (50.0) | 2 | 0 | $9,725,000 | $3,450,000 |
| Sunrise Isle (50.0) | 2 | 2 | $7,622,500 | $7,495,000 |
| Tinglers Island (49.5) | 2 | 0 | $7,147,499 | $5,995,000 |
| Vaca Village (49.5) | 2 | 1 | $4,994,500 | $4,490,000 |
| Marathon Beach (49.0) | 2 | 2 | $3,635,000 | $3,475,000 |
| Sombrero Bch Village (49.5) | 2 | 0 | $2,212,000 | $1,635,000 |
| Farara Shores (52.0) | 2 | 0 | $2,000,000 | $1,250,000 |
| Marameade Amd (49.5) | 2 | 0 | $1,579,500 | $1,059,000 |
| Lida Sub (51.5) | 2 | 0 | $1,374,000 | $649,000 |
| Little Venice (53.0) | 2 | 0 | $1,249,000 | $999,000 |
| Gulfstream Village (52.0) | 2 | 1 | $1,205,000 | $760,000 |
| J. G. Estates (59.5) | 2 | 0 | $719,000 | $699,000 |
| Coco Plum Villas (54.5) | 2 | 0 | $550,000 | $520,000 |
| Island Club (50.0) | 2 | 0 | $522,000 | $509,000 |
| Tradewinds West (50.0) | 2 | 0 | $380,000 | $370,000 |
| Keys RV/Mobile Home Condominium (50.5) | 2 | 0 | $314,500 | $300,000 |
| Casa Manana Shores (50.5) | 1 | 0 | $9,500,000 | $9,500,000 |
| Thompson & Adams Sub (49.5) | 1 | 1 | $6,500,000 | $6,500,000 |
| La Palma of the FL Keys (52.5) | 1 | 0 | $5,200,000 | $5,200,000 |
| Crane Hammock (49.5) | 1 | 0 | $4,999,999 | $4,999,999 |
| N Marathon Shores (51.5) | 1 | 0 | $4,500,000 | $4,500,000 |
| Treasure Island (50.0) | 1 | 0 | $4,390,000 | $4,390,000 |
| S Marathon Shores (52.5) | 1 | 1 | $2,989,000 | $2,989,000 |
| Roosevelt Point #1 (51.0) | 1 | 0 | $2,950,000 | $2,950,000 |
| Sombrero Isle (49.5) | 1 | 0 | $2,800,000 | $2,800,000 |
| Fat Deer Key (53.0) | 1 | 1 | $2,495,000 | $2,495,000 |
| Sombrero Anglers C S (49.5) | 1 | 1 | $2,395,000 | $2,395,000 |
| Waloriss Sub (49.5) | 1 | 0 | $2,100,000 | $2,100,000 |
| Dodge Sub (51.0) | 1 | 0 | $1,638,888 | $1,638,888 |
| Cobia Point Condo (49.0) | 1 | 0 | $1,600,000 | $1,600,000 |
| Yacht Harbor Island (53.5) | 1 | 0 | $1,499,000 | $1,499,000 |
| Halls Sub (48.0) | 1 | 0 | $1,400,000 | $1,400,000 |
| Edmonds Acre Tracts (50.5) | 1 | 0 | $1,279,000 | $1,279,000 |
| Harbor Isle (48.5) | 1 | 0 | $1,275,000 | $1,275,000 |
| Coral Colony (52.0) | 1 | 0 | $1,250,000 | $1,250,000 |
| Coral Lagoon Resort (53.0) | 1 | 0 | $1,200,000 | $1,200,000 |
| Sunny Isle (52.0) | 1 | 0 | $999,000 | $999,000 |
| Little Venice #2 (53.0) | 1 | 0 | $939,500 | $939,500 |
| Puerta Del Sol (50.5) | 1 | 0 | $905,000 | $905,000 |
Also with waterfront homes for sale
- Faro Blanco (48.0) (1)
- Bougainvillea Villas Condominium (53.5) (1)
- Boot Key View (49.0) (1)
- Lemon Cove (50.0) (1)
- Shores, The (54.5) (1)
- Gulfstream Shore (Marathon) (52.0) (1)
- Lady Alexander (49.5) (1)
- Harbor Club South (50.0) (1)
- Spanish Galleon (50.0) (1)
- Coral Club (50.0) (1)
- Marathon Country C W (49.5) (1)
What waterfront ownership really costs
Waterfront homes carry costs inland homes do not: flood insurance where the parcel sits in a FEMA special flood hazard area, higher windstorm premiums closer to open water, and upkeep for seawalls, docks and lifts. Before you offer, pull the FEMA flood zone for the specific parcel, ask for the seawall’s age and any inspection reports, and get an insurance quote in hand, not an estimate. Our flood insurance calculator and wind mitigation savings calculator show what the parcel will actually cost to insure.
Questions to ask about any waterfront listing
Is the water frontage deeded or association-owned? Is there a fixed bridge between the dock and open water, and what is the clearance? What did the seller pay for flood and wind coverage last year, and with which carriers? Has the seawall or dock been permitted and inspected? What is the finished-floor elevation? A local agent who works waterfront deals will know which canals hold depth at low tide and which carriers are writing in the area.
Common questions
How many waterfront homes are for sale in Marathon?
What do waterfront homes cost in Marathon?
Which Marathon community has the most waterfront homes for sale?
Is a waterfront home always in a flood zone?
Keep exploring Marathon
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Live data: floridakeys, refreshed with every MLS pull; this page rebuilds on every ship. Community-level aggregates only: active and pending residential listings in Marathon, FL whose MLS record reports waterfront. Prices are asking prices, not values. Property features and prices only; nothing on this page describes residents. Equal Housing Opportunity.