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
Grassy Key
$124,900 2,004 (SqFt)
  • 4
  • 3
  • Single Family

215 GUAVA Avenue
MARATHON, FL 33050

Crains Subdivision   Waterfront: No MM: 58
Side of Island: Bay/Gulf
Dockage: None

Land value only. No interior access.
Grassy Key
$299,000 1,080 (SqFt)
  • 2
  • 2
  • Single Family

154 Guava Avenue
MARATHON, FL 33050

Misc Crawl/grassy Ke   Waterfront: No MM: 57
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.
Grassy Key
$315,000 1,530 (SqFt)
  • 3
  • 2
  • Single Family

58630 Morton Street
MARATHON, FL 33050

Crains Subdivision   Waterfront: No MM: 58
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.
Grassy Key
$375,000 1,483 (SqFt)
  • 3
  • 2
  • Single Family

59731 Overseas Highway
MARATHON, FL 33050

J. G. Estates   Waterfront: Yes MM: 60
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.
Grassy Key
$490,000 1,920 (SqFt)
  • 3
  • 2
  • Single Family

11 Blue Isle Boulevard
MARATHON, FL 33050

J. G. Estates   Waterfront: Yes MM: 60
Side of Island: Bay/Gulf
Dockage: 200ft.

This property is on an auction site. It is being sold as is where is.
Grassy Key
$699,000 1,544 (SqFt)
  • 2
  • 2
  • Single Family

58886 Overseas Highway
MARATHON, FL 33050

Dorsett Subdivision   Waterfront: No MM: 59
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.
Grassy Key
$840,000 2,100 (SqFt)
  • 3
  • 2
  • Single Family

58214 Overseas Highway
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
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
Grassy Key
$970,000 2,352 (SqFt)
  • 5
  • 4
  • Multi-Units

57968 OVERSEAS Highway
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
Side of Island: Ocean
Dockage: n/a

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.
Grassy Key
$980,000 1,804 (SqFt)
  • 2
  • 2
  • Single Family

57642 Overseas Highway
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
Side of Island: Ocean
Dockage: NoneConcrete

Grassy Key
$989,000 2,050 (SqFt)
  • 4
  • 4
  • Single Family

58672 Overseas Hwy A & B
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
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
Grassy Key
$1,200,000 1,220 (SqFt)
  • 3
  • 2
  • Single Family

57977 Morton Street
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
Side of Island: Bay/Gulf
Dockage: n/a

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.
Grassy Key
$1,325,000 1,232 (SqFt)
  • 4
  • 2
  • Single Family

58682 Overseas Highway
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
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,
Grassy Key
$1,350,000 2,348 (SqFt)
  • 3
  • 3
  • Single Family

58039 Morton Street
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
Side of Island: Bay/Gulf
Dockage: Boat Lift

Beautiful Tahitian style architecture with exposed beam ceiling. New metal roof, brick pavers, boat lift, pool and vacation rental lic. Grosses over $80,000 per year. Two zone A/C. Den could be 4th bedroom. Located directly on Gulf of Mexico with spectacular veiws. Mature native trees provide privacy and bird habitat. Booked rentals must be honored. Sale subject to rentals in place.
Grassy Key
$1,522,500 1,725 (SqFt)
  • 3
  • 3
  • Single Family

60 Pelican Road
MARATHON, FL 33050

Sans Souci Subdivision   Waterfront: Yes MM: 58
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
Grassy Key
$1,550,000 1,920 (SqFt)
  • 3
  • 3
  • Single Family

58345 Morton Street 280
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
Side of Island: Bay/Gulf
Dockage: n/a

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.
Grassy Key
$2,499,000 3,734 (SqFt)
  • 4
  • 3
  • Single Family

58477 Morton Street
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
Side of Island: Bay/Gulf
Dockage: Basin,Davit Pads150f

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.
Grassy Key
$2,650,000 7,006 (SqFt)
  • 9
  • 7
  • Single Family

57733 Morton Street
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
Side of Island: Bay/Gulf
Dockage: Basin,Davits

Gulf-front compound featuring nine bedrooms and 7 bathrooms.
Grassy Key
$2,695,000 2,772 (SqFt)
  • 4
  • 3
  • Single Family

57223 Morton Street
OTHER, FL 33050

Grassy Key Beach   Waterfront: Yes MM: 57
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.
Grassy Key
$2,999,000 6,189 (SqFt)
  • 5
  • 6
  • Single Family

58418 Overseas Highway
MARATHON, FL 33050

Crains Subdivision   Waterfront: Yes MM: 58
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
Grassy Key
$3,290,000 4,020 (SqFt)
  • 3
  • 3
  • Single Family

57151 MORTON Street
MARATHON, FL 33050

Misc Crawl/grassy Ke   Waterfront: Yes MM: 57
Side of Island: Bay/Gulf
Dockage: Basin,Boat Lift50ft.

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.
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 04-26-2015.

Shoreline Properties
92300 Overseas Hwy Suite 303
Tavernier, Florida 33070

1(800) 692-3605
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