317 Tropical Avenue, Marathon, FL 33050
$999,997
Property Type:
Residential
Bedrooms:
4
Baths:
3
Square Footage:
1,740
Lot Size (sq. ft.):
7,500
Status:
Active
Current Price:
$999,997
List Date:
6/08/2026
Last Modified:
6/08/2026
Listing Details MLS# 620206
Location, Tax & Legal
- Street #
- 317
- Street Name
- Tropical
- Street Suffix
- Avenue
- Key/Island
- Marathon
- State/Province
- FL
- Zip Code
- 33050
- County
- Monroe
- Subdivision
- Crains Sub (58.0)
- Area
- 19 - Crawl Key & Grassy Key
- City
- MARATHON
- Off Shore Island
- No
- Mile Marker
- 57.5
- Marathon Neighborhood
- Grassy Key
- Side
- Bay/Gulf
- Alternate Key #
- 1456101
- Parcel #
- 00373010000000
- Zoning
- RM-1 - Residential Medium - 1
- Deed Restrictions
- No
- Legal
- Bk 48 Lt 16 Crains Subd Of Grassy Key Pb 1-51 Pt Secs24-25-26 Twp65s R 33E Or154-71 Or1263-388D/C Or1399-1446 Or1866-178
- Taxes
- 500.07
- Tax Year
- 2025
- Pub Sewer HkUp
- Yes
Contract Information
- Listing Board
- Marathon/Lower Keys
- As is Rght to Inspct
- No
General Property Description
- Realtor.COM Type
- Residential - Single Family
- Style
- Single Family
- Waterfront
- No
- Pool
- No
- Year Built
- 2026
- Total Units
- Yes
- Lot SqFt
- 7500
- Acres
- 0.17
- Living Apx SqFt
- 1740
- SqFt Source
- Blue Print
- Total Bedrooms
- 4
- Full Baths
- 3
- Total Baths
- 3
- Rentals Allowed
- Yes
- Min Rental Days
- 7
- Control Depth
- 0
Association Info
- Mandatory Home Owners Asc
- No
- 1st Right of Refusal
- No
- Association Fee $
- 0
Building Style
- Above Flood
- Yes
- Stilt Column Height
- Medium - 5Ft - 9Ft
More Information
Vehicle Storage
- Car(s)
- 4+
- Garage
- Yes
- Attached
- Yes
- Off Street Parking
- Yes
Remarks & Misc
- Remarks – Consumer
- 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.
Fee Includes
- None
- Yes
Dockage
- None
- Yes
Tax Exemptions
- Homestead
- Yes
Appliances
- Dishwasher
- Yes
- Disposal
- Yes
- Dryer
- Yes
- Microwave
- Yes
- Oven
- Yes
- Range
- Yes
- Refrigerator
- Yes
- Washer
- Yes
Pets
- Pets Allowed
- Yes
Cooling
- Ceiling Fans(s)
- Yes
- Central Air
- Yes
Heating
- Central
- Yes
Waterfront
- None
- Yes
Waterview
- No Waterview
- Yes
Floor
- Vinyl
- Yes
Neighborhood Feature
- Other Area Features
- Yes
Property Condition
- New Construction
- Yes
Windows/Doors
- Impact Rstnce Doors
- Yes
- Impact Rstnce Window
- Yes
Construction
- CBS
- Yes
- Concrete
- Yes
- Stucco
- Yes
Land Size
- Less Than 1/4 Acre
- Yes
Furnished
- Negotiable
- Yes
Terms
- Cash
- Yes
- Conventional
- Yes
- FHA
- Yes
Utilities
- FKAA
- Yes
- Municipal Sewer
- Yes
Porch/Balcony
- Open Porch/Balcony
- Yes
Roof
- Metal Roof
- Yes
GF-Interior Features
- LED Lighting
- Yes
Property Features
Fee Includes:
None
Tax Exemptions:
Homestead
Waterfront:
None
Waterview:
No Waterview
Dockage:
None
Property Condition:
New Construction
Vehicle Storage:
Garage; Attached; Off Street Parking
Furnished:
Negotiable
Cooling:
Ceiling Fans(s); Central Air
Heating:
Central
Utilities:
FKAA; Municipal Sewer
Appliances:
Dishwasher; Disposal; Dryer; Microwave; Oven; Range; Refrigerator; Washer
Construction:
CBS; Concrete; Stucco
Floor:
Vinyl
Roof:
Metal Roof
Pets:
Pets Allowed
Neighborhood Feature:
Other Area Features
Land Size:
Less Than 1/4 Acre
Terms:
Cash; Conventional; FHA
GF-Interior Features:
LED Lighting
Listing Office:
No Nonsense Real Estate Branch Office
Last Updated: June - 08 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.