Currently in Marathon, Duck Key & Key Colony there is no other New Construction Home available below $1.1M besides this Brand New Under Construction 4 Bed, 3 Bath, 1786 sqft living Concrete Above Flood Home, built by the local well-respected Design Center. It also happens to be located on a Corner Lot that backups to non-buildable protected land offering more privacy in the Grassy Key neighborhood, which has quickly become a highly desired area for many locals. It's a great family neighborhood with a community waterfront Sunset park and only a mile from a boat ramp. This home features poured solid concrete 16x16 columns plus an Energy Efficient Seamless Metal Roof, Hurricane Impact Windows & Doors, Spray Foam Insulation along with a High Efficiency 4 Ton A/C System, & even an Electrical Sub Panel Box prewired for a generator hook up. Pre-Cast Concrete Floors allowing for no center columns, which maximizes usable space in the 2 car garage. Step inside & find Maintenance Free Wide Plank Luxury Vinyl Flooring thru out the home, 8FT High Interior Doors, 9'6'' Ceilings, 5 ¼'' Baseboards, LED Recess Lighting, Modern Fans in each Bedroom & the Living Room, an Open Kitchen with Shaker Soft Close Wood Cabinets with Crown Molding & Hardware including 42'' Uppers, Quartz Countertops including a Large 1 level island, a Tile or Quartz Backsplash, Pendant Lighting, a Full Stainless Steel Appliance Package & Modern Single Sink & Faucet. All 3 bathrooms feature Designer Tiled Floors, Custom Tiled Showers including LED underlighting and lit shower nooks with the Primary & 1 Guest Bath having Frameless Glass Enclosures & the 2nd Guest having a Tub/Shower Combo. They all have Wood Vanities with Quartz Counters, Modern Vanity Lighting & Mirrors, Modern Faucets & Toilets. Home comes with a 1-year Builders Warranty and can be offered Furnished by a local interior designer for an additional cost making it Vacation Rental Ready. ETA for completion is Dec 2026.
| MLS # | 620206 |
|---|---|
| Listing Type | For Sale |
| Style | House |
| Sub-Type | Resale |
| Status | Contingent/show |
| Year | 2026 |
| Days On Site | 80 |
| Listing Provided By | No Nonsense Real Estate Branch Office | Kenny L. Matlock |
| Bed(s) | 4 |
|---|---|
| Bath(s) | 3 Total |
| SQ Feet | 1,740 |
| Units | 1 |
| Zoning | RM-1 - Residential Medium - 1 |
| Acreage | 0.17 |
| Water Front | None |
| Property View | No Waterview |
| Property | 500 |
|---|
| State | FL |
|---|---|
| County | Monroe |
| City | MARATHON |
| Zip Code | 33050 |
| Area | 19 Crawl Key & Grassy Key |
| Community Name | Crains Sub (58.0) |
| Listing VS Median (in Crains Sub (58.0)) | |
Price: $1,100,000 low | high Med: $2,627,500 sqft: 1,740 low | high Med: 2,298 $ / sqft: $632 low | high Med: $1,130 On site: 80 low | high Med: 85.5 | |
| State | FL |
|---|---|
| County | Monroe |
| City | MARATHON |
| Zip Code | 33050 |
| Area | 19 Crawl Key & Grassy Key |
| Community Name | Crains Sub (58.0) |
| Listing VS Median (in Crains Sub (58.0)) | |
Price: $1,100,000 low | high Med: $2,627,500 sqft: 1,740 low | high Med: 2,298 $ / sqft: $632 low | high Med: $1,130 On site: 80 low | high Med: 85.5 | |