$1,100,000
UNDER CONTRACT NEW CONSTRUCTION $100K PRICE INCREASE

317 Tropical Ave Marathon, FL 33050

Estimated payment $5,972/month

Total Views 476
4 Beds
3 Baths
1,740 Sq Ft
$632 Price per Sq Ft

Highlights

  • New Construction
  • 4 Car Attached Garage
  • Central Air
  • Coral Shores High School Rated A
  • Impact Glass
  • 1-minute walk to Curry Hammock State Park

About This Home

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.

Listing Agent

Kenny Matlock

No Nonsense Real Estate Branch Office License #SL3410203 Listed on: 06/08/2026

Co-Listing Agent

Christopher Cioffi

No Nonsense Real Estate Branch Office License #3112687

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $500

Year Built

  • Built in 2026 | New Construction

Lot Details

  • 7,500 Sq Ft Lot
  • Lot Dimensions are 60 x 125
  • Property is zoned RM-1 - Residential Medium - 1

Home Design

  • Metal Roof
  • Concrete Block And Stucco Construction

Interior Spaces

  • 1,740 Sq Ft Home
  • Ceiling Fan
  • Pendant Lighting
  • Impact Glass

Kitchen

  • Oven
  • Range
  • Microwave
  • Dishwasher
  • Disposal

Bedrooms and Bathrooms

  • 4 Bedrooms
  • 3 Full Bathrooms

Laundry

  • Dryer
  • Washer

Parking

  • 4 Car Attached Garage
  • Off-Street Parking

Utilities

  • Central Air

Community Details

  • Crains Sub Subdivision

Listing and Financial Details

  • Assessor Parcel Number 00373010000000

Home Details

Home Type

Single Family

Est. Annual Taxes

$500

Year Built

Built in 2026 | New Construction

Lot Details

7,500 Sq Ft Lot

Listing Details

  • Property Type: Residential
  • Vehicle Storage Cars: 4+
  • Year Built: 2026
  • Building Style Stilt Column Height: Medium - 5Ft - 9Ft
  • Building Style Above Flood: Yes
  • Property Condition: New Construction
  • Property Sub Type: Single Family Residence
  • Lot Size: 60 X 125
  • Co List Office Mls Id: 2031208
  • Co List Office Mls Id: 2031208
  • Subdivision Name: Crains Sub (58.0)
  • Special Features: 130

Interior Features

  • Appliances: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave, Disposal
  • Full Bathrooms: 3
  • Total Bedrooms: 4

Exterior Features

  • Waterfront: No
  • Construction Type: CBS, Concrete, Stucco
  • Waterfront: None
  • Roof: Metal Roof

Utilities

  • Cooling: Central Air, Ceiling Fans(s)
  • Utilities: FKAA, Municipal Sewer

Condo/Co-op/Association

  • Pets Allowed: Yes

Lot Info

  • Parcel Number: 00373010000000
  • Lot Size Sq Ft: 7500.0

Rental Info

  • Furnished: Unfurnished

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 500.07

Multi Family

  • Number Of Units Total: 1

Map

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $500 $45,000 $45,000 --
2024 $708 $45,000 $45,000 --
2023 $708 $63,750 $63,750 $0
2022 $466 $88,125 $88,125 $0
2021 $239 $12,000 $12,000 $0
2020 $263 $15,000 $15,000 $0
2019 $254 $15,000 $15,000 $0
2018 $246 $16,000 $16,000 $0
2017 $240 $16,000 $0 $0
2016 $319 $39,375 $0 $0
2015 $255 $22,500 $0 $0
2014 $240 $18,750 $0 $0
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
06/19/2026 06/19/26 Price Changed $1,100,000 +10.0% $632 / Sq Ft
06/08/2026 06/08/26 For Sale $999,997 +400.0% $575 / Sq Ft
11/18/2025 11/18/25 Sold $200,000 -27.3% -- View Prior Sale
10/31/2025 10/31/25 Pending -- -- --
08/08/2025 08/08/25 Price Changed $275,000 -15.4% --
05/06/2025 05/06/25 For Sale $325,000 -- --
Source: Marathon and Lower Keys Association of REALTORS®

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Warranty Deed $200,000 None Listed On Document
Warranty Deed $75,000 Wolfe Stevens Pllc
Warranty Deed $45,000 Chicago Title Of The Florida
Warranty Deed $18,000 Chicago Title Of The Florida
Warranty Deed $100 --
Source: Public Records

Source: Marathon and Lower Keys Association of REALTORS®

MLS Number: 620206

APN: 00373010-000000

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