Grassy Key Homes for Sale, Single Family Houses, MLS Home Listings

Grassy Key homes for sale are located in one of the smallest, and best, markets for real estate in the Florida Keys.  The intimate nature of the island creates a close-knit community of residents of houses in Grassy Key.  Adding to the value of real estate in the area is the fact that Grassy Key real estate is a part of the larger city of Marathon - a location known for its great assortment of top rated restaurants, not to mention a plethora of great stores and attractions.  If Grassy Key properties are of interest to you, browse the MLS listings in Grassy Key below.

Total Listings 21
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$134,900 - Marathon (Grassy Key) , FL

  • Beds: 4 Baths: 3
    Type: Single Family Home - MM: 58
  • MLS ID 565891
    Sq Ft: 2,004
  • Community: Crains Subdivision Days on Market: 129
  • Waterfront: No
  • Side of Island: Bay/Gulf Dockage: None

Land value only. No interior access.

$299,000 - Marathon (Grassy Key) , FL

  • Beds: 2 Baths: 2
    Type: Single Family Home - MM: 57
  • MLS ID 566617
    Sq Ft: 1,080
  • Community: Misc Crawl/grassy Ke Days on Market: 52
  • Waterfront: No
  • Side of Island: Bay/Gulf Dockage: None

2 Bedroom, 2 Bath home nestled in the woods on Grassy Key. Open living area, very large master suite with spacious deck. Vaulted ceilings, and newer metal roof. Stilted with non-conforming 1/1 and storage below. Needs TLC, but has loads of potential.

$315,000 - Marathon (Grassy Key) , FL

  • Beds: 3 Baths: 2
    Type: Single Family Home - MM: 58
  • MLS ID 562327
    Sq Ft: 1,530
  • Community: Crains Subdivision Days on Market: 527
  • Waterfront: No
  • Side of Island: Bay/Gulf Dockage: None

Property has water views of Florida Bay. Built in 1948 and remodeled in 2006.Still retains the charm of a conch cottage. Yard is completely fenced and gated. Property record card shows 672 S/F living area. Seller enclosed porches to expand on the living area.

$375,000 - Marathon (Grassy Key) , FL

  • Beds: 3 Baths: 2
    Type: Single Family Home - MM: 60
  • MLS ID 567014
    Sq Ft: 1,483
  • Community: J. G. Estates Days on Market: 9
  • Waterfront: Yes - Waterview: Canal Front
  • Side of Island: Bay/Gulf Dockage: 60ft. Concrete

WATERFRONT UNDER $400,000.00! OWNER FINANCING AVAILABLE! Great Starter home for a family living the Keys Dream. Home provides 3 porches for enjoying starry nights. Sixty feet of seawall for all your nautical toys. West side of home has separate entrance with bedroom and bath; excellent space for guest.Shed has water and electric.

$490,000 - Marathon (Grassy Key) , FL

  • Beds: 3 Baths: 2
    Type: Single Family Home - MM: 60
  • MLS ID 566710
    Sq Ft: 1,920
  • Community: J. G. Estates Days on Market: 41
  • Waterfront: Yes - Waterview: Canal Front
  • Side of Island: Bay/Gulf Dockage: 200ft.

This property is on an auction site. It is being sold as is where is.

$699,000 - Marathon (Grassy Key) , FL

  • Beds: 2 Baths: 2
    Type: Single Family Home - MM: 59
  • MLS ID 565338
    Sq Ft: 1,544
  • Community: Dorsett Subdivision Days on Market: 186
  • Waterfront: No
  • Side of Island: Ocean Dockage: None

Do you want an ocean view with deeded beach ocean access and lots of privacy? The owner is ready to move on! This is truly a MUST-SEE! You have over 30,000 sq. ft. of property and U.S. 1 frontage.

$840,000 - Marathon (Grassy Key) , FL

  • Beds: 3 Baths: 2
    Type: Single Family Home - MM: 58
  • MLS ID 566354
    Sq Ft: 2,100
  • Community: Crains Subdivision Days on Market: 75
  • Waterfront: Yes - Waterview: Oceanfront,Open Water
  • Side of Island: Ocean Dockage: None

Island life dreams can become a reality with this direct ocean front property with endless views of the crystal blue Atlantic Ocean. Slip away in a kayak from your private sandy beach and soak in all that Mother Nature has to offer. Enjoy spectacular sunrises and surround yourself with the serenity of the fabulous Florida Keys. This beach style home sits on a large lot over 20,000 SF & features

$970,000 - Marathon (Grassy Key) , FL

  • Beds: 5 Baths: 4
    Type: Multi-units - MM: 58
  • MLS ID 565774
    Sq Ft: 2,352
  • Community: Crains Subdivision Days on Market: 138
  • Waterfront: Yes - Waterview: Oceanfront,Open Water
  • Side of Island: Ocean Dockage:

PICTURE THIS - Oceanfront, Private Sandy Beach, and a Pool. Unique Property - located close to shopping, theater, schools, and restaurants is this perfect private residence with additional quarters. This property would be perfect for hosting corporate events. Property is currently in a vacation rental program. Property has 3 vacation rental licenses through the city of Marathon.

$980,000 - Marathon (Grassy Key) , FL

  • Beds: 2 Baths: 2
    Type: Single Family Home - MM: 58
  • MLS ID 566684
    Sq Ft: 1,804
  • Community: Crains Subdivision Days on Market: 45
  • Waterfront: Yes - Waterview: Oceanfront,Open Water
  • Side of Island: Ocean Dockage: None Concrete

$989,000 - Marathon (Grassy Key) , FL

  • Beds: 4 Baths: 4
    Type: Single Family Home - MM: 58
  • MLS ID 559173
    Sq Ft: 2,050
  • Community: Crains Subdivision Days on Market: 900
  • Waterfront: Yes - Waterview: Oceanfront,Open Water
  • Side of Island: Ocean Dockage: None

This lovely home is appropriately name Ocean Breezes...situated right on the Atlantic ocean with its own private sandy beach. Walk out onto the sand flats and watch the abundant tropical bird life and catch your dinner on a fly rod. Grassy Key is known for some of the best fly fishing in the Keys!The home was built in 2004. It has 4 bedrooms, two are master suites, and 4 full baths. One maste

$1,200,000 - Marathon (Grassy Key) , FL

  • Beds: 3 Baths: 2
    Type: Single Family Home - MM: 58
  • MLS ID 564694
    Sq Ft: 1,220
  • Community: Crains Subdivision Days on Market: 269
  • Waterfront: Yes - Waterview: Bay Front,Gulf Front,Open Water
  • Side of Island: Bay/Gulf Dockage:

Summer Sunsets and spectacular open water views all year long.3 BDR. home with large porch over looking the Gulf. Newly remodeled kitchen and baths. In-ground heated pool,spa deep water dock, garage and lots of storage on 1st level. Tropically landscaped. The neighborhood is lovely & extremely quiet...no street noise. Vacation rental property with very good rental history.Call for details.

$1,325,000 - Marathon (Grassy Key) , FL

  • Beds: 4 Baths: 2
    Type: Single Family Home - MM: 58
  • MLS ID 566346
    Sq Ft: 1,232
  • Community: Crains Subdivision Days on Market: 76
  • Waterfront: Yes - Waterview: Oceanfront,Open Water
  • Side of Island: Ocean Dockage: None

Florida-Keys-homes-Living-in-paradise. Wake up with the stunning sunrise, blue sky, sleep under the bright-stars. Fly fishing,bonefishing, kayaking, swimming in the ocean and pool, sandy beaches. spectacular views from screened in porch overlooking direct open ocean. Sandy beach for kids and parents to play, sunbathing on the large platform, heated pool, covered parking, grilling,

$1,522,500 - Marathon (Grassy Key) , FL

  • Beds: 3 Baths: 3
    Type: Single Family Home - MM: 58
  • MLS ID 566761
    Sq Ft: 1,725
  • Community: Sans Souci Subdivision Days on Market: 38
  • Waterfront: Yes - Waterview: Gulf Front,Open Water
  • Side of Island: Bay/Gulf Dockage: None

Drive through the gate into this true Keys paradise. This 3 bedroom 3 bath home offers classic updated Keys styling, hardwood hammock seclusion and direct open water beach frontage complete with fishing dock, volleyball court, private gazebo, porches, breezeways, and expansive open water views. Interior features include updated kitchen and baths, granite counters, custom cabinets, vaulted and

$1,550,000 - Marathon (Grassy Key) , FL

  • Beds: 3 Baths: 3
    Type: Single Family Home - MM: 58
  • MLS ID 566746
    Sq Ft: 1,920
  • Community: Crains Subdivision Days on Market: 39
  • Waterfront: Yes - Waterview: Bay Front,Gulf Front,Open Water
  • Side of Island: Bay/Gulf Dockage:

Gated Gulf front home located on 1/3 acre lot, deep water dock, in-ground pool, sandy beach above coral rock shoreline. Concrete construction with tile roof, 2 car garage plus large storage room. Beautifully updated kitchen and baths, open floor plan with lots of windows and tile floors. Screen porch with gorgeous open water views.Upscale, quiet neighborhood. This is a weekly vacation property.

$2,499,000 - Marathon (Grassy Key) , FL

  • Beds: 4 Baths: 3
    Type: Single Family Home - MM: 58
  • MLS ID 562362
    Sq Ft: 3,734
  • Community: Crains Subdivision Days on Market: 521
  • Waterfront: Yes - Waterview: Bay Front,Gulf Front,Open Water
  • Side of Island: Bay/Gulf Dockage: Basin,Davit Pads 150ft. Cut/Natural

Island seclusion greets you as you enter this gorgeous home with breath taking tropical gardens and Gulf front water views in the Florida Keys. Gated and walled estate with protected dockage and tennis.

$2,500,000 - Marathon (Grassy Key) , FL

  • Beds: 4 Baths: 3
    Type: Single Family Home - MM: 58
  • MLS ID 562955
    Sq Ft: 3,258
  • Community: Crains Subdivision Days on Market: 459
  • Waterfront: Yes - Waterview: Bay Front,Gulf Front,Open Water
  • Side of Island: Bay/Gulf Dockage: Boat Lift 100ft. Cut/Natural

Gated estate with nearly 2 Acres.This is perhaps the highest grounds in the Keys with 9.5 Ft. elevation.210 Ft. of cut coral seawall, deep water dock, boat lift,40by 20 in-ground concrete pool.Custom two story home with 18 poured concrete walls. 4 bedrooms/3.5 baths connected by interior elevator-no stairs to climb. Metal roof.Tropically landscaped.Beautiful sunsets.Bayside.

$2,650,000 - Marathon (Grassy Key) , FL

  • Beds: 9 Baths: 7
    Type: Single Family Home - MM: 58
  • MLS ID 566232
    Sq Ft: 7,006
  • Community: Crains Subdivision Days on Market: 87
  • Waterfront: Yes - Waterview: Bay Front,Open Water
  • Side of Island: Bay/Gulf Dockage: Basin,Davits

Gulf-front compound featuring nine bedrooms and 7 bathrooms.

$2,695,000 - Other (Grassy Key) , FL

  • Beds: 4 Baths: 3
    Type: Single Family Home - MM: 57
  • MLS ID 119916
    Sq Ft: 2,772
  • Community: Grassy Key Beach Days on Market: 294
  • Waterfront: Yes - Waterview: Bay Front,Gulf Front,Open Water
  • Side of Island: Bay/Gulf Dockage: Basin

Huge open waterfront estate! Over 340 feet of Gulf frontage. This amazing renovated home with beautiful finishes is situated on nearly 2 acres of lush tropical landscaping. Dockage, boat basin, tidal pool, waterfront pool, outside entertainment center offering putting green, horse shoes, bocci ball and BBQ area. Am amazing private oasis to entertain or just relax.

$2,999,000 - Marathon (Grassy Key) , FL

  • Beds: 5 Baths: 6
    Type: Single Family Home - MM: 58
  • MLS ID 563504
    Sq Ft: 6,189
  • Community: Crains Subdivision Days on Market: 407
  • Waterfront: Yes - Waterview: Oceanfront
  • Side of Island: Ocean Dockage: None,Other Dockage

Discover Mariposa. The spectacular architecture inspired the name of this magnificent oceanfront estate that spans 120 ft. along the beach on Grassy Key in the beautiful Florida Keys. Secluded behind a privacy gate, this Bali influenced contemporary home is designer/contractor owners own home. Built to standards in which only the absolute best of everything would do. Green built and

$3,290,000 - Marathon (Grassy Key) , FL

  • Beds: 3 Baths: 3
    Type: Single Family Home - MM: 57
  • MLS ID 565754
    Sq Ft: 4,020
  • Community: Misc Crawl/grassy Ke Days on Market: 139
  • Waterfront: Yes - Waterview: Bay Front,Gulf Front,Open Water
  • Side of Island: Bay/Gulf Dockage: Basin,Boat Lift 50ft. Rip Rap

Beautiful bay front home with a spectacular boat basin. This fabulous home features custom Honduran wood ceilings and doors throughout, expansive great room, chefs gourmet kitchen with granite counter tops and custom cabinet, beautiful master suite and a home office with wet bar. Custom tiled swimming pool with cascading waterfall surrounded by a large deck.

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The information being provided by the Florida Keys MLS is exclusively for consumers' personal, non-commercial use, and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed accurate by the MLS. Data last updated on 03-29-2015.