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About this House
The Building Right Is Secured. The Site Is Prepped. The Dock Is Done. Utilities Are In. The Only Thing Left Is the House. For buyers who have dreamed of building a custom home in the Florida Keys, this is an opportunity to skip much of the time, uncertainty, and groundwork that typically comes before construction can even begin. The hard work has already been done. The building right is secured, the lot has been cleared, fenced, and prepared, the geotechnical survey is complete, and both the electric and water meters are installed. On the waterfront, the dock permit is complete and a brand-new dock is already in place along 75 feet of canal frontage. This homesite is ready for the next step: building your Florida Keys home. Located in a desirable Marathon waterfront neighborhood surrounded by attractive homes, the property also delivers the lifestyle you're building for. Enjoy quick and convenient boating access to the Gulf, putting fishing, diving, cruising, and days at the sandbar within easy reach. Weekly vacation rentals are also permitted, giving you the flexibility to design a full-time residence, private Keys getaway, or income-producing vacation home. Instead of purchasing a vacant lot and beginning the lengthy process of preparing it for construction, start with the groundwork already behind you and focus on what matters most--designing and building the home you want. The building right is here. The infrastructure is here. The dock is waiting for your boat. Now bring your plans and build your Florida Keys dream home.
Last check for updates: about 13 hours ago
Listing courtesy of Nate Bartlett
Berkshire Hathaway HomeServices Keys Real Estate
Source: FLKMLS, MLS#621243

Also Listed on FLKMLS.
Home Details for 9966 Aviation Blvd
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Gas & Electric Electric: Electric on SiteHas Electric on Property |
View No View |
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Exterior Home Features Fencing: Fenced |
Frontage WaterfrontOn Waterfront |
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Days on Market: 9 |
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Property Type / Style Property Type: LandProperty Subtype: Unimproved Land |
Property Information Parcel Number: 00331061002600 |
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Price List Price: $799,999 |
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MLS Status: Active |
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Direction & Address City: MarathonCommunity: Sea-Air Estates (52.0) |
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Listing Agent Listing ID: 621243 |
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Community Features: Community Boat Ramp, Other, BeachNot Senior Community |
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No HOA |
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Lot Area: 7405.2 sqft |
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Listing Terms: Buyer Obtain Finance |
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Mls Number: 621243 |
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Community Boat RampOtherBeach |
Around this home
What Locals Say about Marathon
At least 61 Trulia users voted on each feature.
83 % Say car is needed
79 % Say people would walk alone at night
76 % Say parking is easy
72 % Say it's quiet
70 % Say it's dog friendly
70 % Say yards are well-kept
68 % Say there's holiday spirit
61 % Say it's walkable to restaurants
53 % Say there's wildlife
53 % Say they plan to stay for at least 5 years
51 % Say there are community events
49 % Say kids play outside
45 % Say neighbors are friendly
37 % Say it's walkable to grocery stores
36 % Say there are sidewalks
29 % Say streets are well-lit
Sourced by Trulia users. Learn more about our methodology.
Market trends in Marathon
Last updated August 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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Available listings
255
7MoM
Home Value
Learn more about this home's value by checking out the value of nearby homes and how much similar homes have sold for.
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.03 | Lot/Land | $599,000 | 11/21/25 | - | - | ||
0.54 | Lot/Land | $300,000 | 06/17/26 | - | - | ||
0.39 | Lot/Land | $450,000 | 06/08/26 | - | - | ||
0.77 | Lot/Land | $262,500 | 02/20/26 | - | - | ||
0.97 | Lot/Land | $625,000 | 07/22/26 | - | - | ||
1.58 | Lot/Land | $250,000 | 03/06/26 | - | - | ||
1.22 | Lot/Land | $1,500,000 | 06/03/26 | - | - | ||
1.45 | Lot/Land | $190,000 | 03/17/26 | - | - |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.03 | $599,000 | - | - | - | Recently Sold | |
0.04 | $1,526,800 | 4 | 4 | 1,666 | Off Market | |
0.04 | $2,300,000 | 4 | 2 | 1,852 | Recently Sold | |
0.05 | $2,250,000 | 4 | 5 | 1,800 | Recently Sold | |
0.05 | $2,440,700 | 4 | 5 | 1,800 | Off Market | |
0.06 | $779,700 | 2 | 2 | 1,400 | Off Market | |
0.06 | $985,000 | 2 | 3 | 1,080 | Recently Sold | |
0.06 | $1,002,100 | 2 | 3 | 1,632 | Off Market | |
0.07 | $926,100 | 2 | 2 | 1,176 | Off Market | |
0.06 | $1,388,700 | 2 | 3 | 1,621 | Off Market | |
0.06 | $1,446,800 | 2 | 3 | 1,482 | Off Market |
Price and Tax history
| Date | Event | Price |
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Sep 8, 2026 Source: FLKMLS #621243 | Listed For Sale | $799,999 |
Oct 20, 2021 Source: N/A | ListingRemoved | |
Oct 12, 2021 Source: N/A | PriceChange | $699,000 Price increased by 8% |
Sep 20, 2021 Source: N/A | Listed For Sale | $650,000 |
Jul 20, 2018 Source: FLKMLS #575680 | Sold | $190,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $3,410 | $454,204 |
Home facts updated by county records
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Nate Bartlett, Berkshire Hathaway HomeServices Keys Real Estate

MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys MLS.
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Frequently asked questions about 9966 Aviation Blvd
- How big is 9966 Aviation Blvd?9966 Aviation Blvd in Marathon, FL is about 0.17 acres (7,405 sq ft).
- What is the price per acre for 9966 Aviation Blvd?9966 Aviation Blvd in Marathon, FL is listed at $799,999, or about $4.7M per acre.
- What do residents say about Marathon?Residents describe Marathon, FL as easy to park in, quiet, and dog-friendly. Most residents say you need a car. See homes for sale in Marathon, FL.
- What are the closest schools to 9966 Aviation Blvd?The closest schools to 9966 Aviation Blvd in Marathon, FL are Marathon School (Middle/High, rated 5/10), Stanley Switlik Elementary School (Pre-K, rated 5/10).
9966 Aviation Blvd, Marathon, FL 33050 is a lot/land. This property is currently available for sale and was listed by FLKMLS on Sep 8, 2026. The MLS # for this home is MLS# 621243.

