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317 Tropical Ave, Marathon, FL - photo 1
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317 Tropical Ave, Marathon, FL - photo 2
317 Tropical Ave, Marathon, FL - photo 3
317 Tropical Ave, Marathon, FL - photo 4
317 Tropical Ave, Marathon, FL - photo 5
+18

$1,100,000

4 beds3 baths1,740 sqft|620206 MLS#

317 Tropical Ave, Marathon, FL 33050

Est.$6,600/moGet pre-qualified

Single Family Residence

Residential

Built in

2026

Lot size

7,405 sqft

Price/sqft

$632

HOA

None

Listed by: Kenny L. Matlock 305-849-5582, No Nonsense Real Estate Branch Office 239-410-5099

Source:Florida Keys MLS (FLKMLS)|MLS #620206

Get price drop alert on this property the moment it happen

Preferred Brokerage Partner

Kinsfolk Realty

Kinsfolk Signature Realty

What's special

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 1/4'' 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.

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Facts & features

Bedrooms & bathrooms

  • Bedrooms:4
  • Bathrooms:3
  • Full bathrooms:0

Heating

  • Has Heating:Yes

Interior area

  • Total structure area:1,740 sqft
  • Total interior livable area:1,740 sqft

Parking

  • Parking features:N/A
  • Garage spaces:0
  • Has attached garage:No

Lot

  • Size:7,405 sqft

Details

  • Parcel number:N/A

Type & style

  • Home type:Single Family Residence
  • Property subtype:Residential

Materials

  • • N/A

Condition

  • Year built:2026

Contact agent

Price history

DateEventPrice
9/16/2026Listed for sale$1,100,000$632/sqft

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