Monroe County, Florida
Sell your land in Long Key for cash
Parcel Buyers buys vacant lots with a Long Key property address for cash, including land where the first issue is whether Layton or unincorporated Monroe County controls the permit. You get a written, no-obligation cash offer within 24 hours, and closings run through an independent, licensed title company, typically in about 10 days, with no fees or commissions.
By Parcel Buyers · · Lot figures from the 2026 Florida property tax roll · How we made this page
Quick answers
- Who buys land for cash in Long Key?
- Parcel Buyers is a direct land buyer that makes written, no-obligation cash offers on vacant lots and acreage in Long Key, Monroe County, usually within 24 hours. Sales close through an independent title company, typically in about 10 days, with no fees or commissions to the seller.
- How many vacant lots are in Long Key?
- The 2026 Florida property tax roll lists 80 vacant residential lots in Long Key; 55% are sliver / remnants, and the median lot is 0.04 acre.
- How is a cash offer for land in Long Key set?
- We start from recent sales of similar lots nearby, like the 2025 prices on this page, then adjust for water and sewer, road access, flood zone, lot size and any title issues, and for the time and cost of reselling. You get one written number, not a range.
- How do I know a land buyer in Long Key is legitimate?
- A real buyer closes through an independent, licensed title company and never asks you to pay anything up front. We never charge sellers a fee, deposit or closing-cost advance, and the title company pays you by check or wire at closing.
- How many vacant lots in Long Key got a home on the tax roll in 2025?
- 2 vacant lots in Long Key changed from vacant-residential use to a home with new-construction evidence on the 2026 preliminary tax roll.
Local data
Long Key land at a glance
Tax-roll figures cover parcels whose property address city is Long Key in Monroe County. Local rules and services are sourced below.
| Vacant residential lots | 80 parcels classified vacant residential on the 2026 tax roll [1] |
|---|---|
| Most common lot size | Sliver / remnant (0–2,000 sq ft): 55% of vacant lots; next, micro lot at 26%. Median lot: 0.04 acre (1,940 sq ft). [1] |
| Typical assessed value | $227,000 median just (market) value for a vacant lot; the middle half fall between $208,400 and $468,500 [1] |
| Recent lot sale prices | Too few arm's-length vacant-lot sales in 2025 to report a reliable median for Long Key [1] |
| Owners who live elsewhere | 11% of vacant lots have an owner mailing address outside Florida (most often IL, NC, WY) [1] |
| Two permit jurisdictions | Long Key includes the City of Layton and unincorporated Monroe County areas. Layton lists its own building, planning, zoning and flood staff; Monroe County's Building Department issues county permits. [3],[5],[8] |
| Layton incorporation | Layton incorporated in 1963. Its comprehensive plan describes the city as mainly east of Overseas Highway and just north of the entrance to Long Key State Park. [2] |
| Layton flood controls | Layton says the whole city is in a Special Flood Hazard Area. It regulates all floodplain development, requires a permit before filling or altering natural ground, and reports a 25% Community Rating System insurance discount. [4] |
| Long Key wastewater district | FKAA's district covers mile markers 65 through 71 and includes Layton, the state recreation area and unincorporated Monroe County. Its plant came online in 2006 and serves the city limits and the park while collection lines expand. [7],[8] |
| Address-city parcel profile | FKAA lists Layton, the state recreation area and unincorporated Monroe County in its mile-marker 65-71 district. In this scope, the median vacant residential parcel is 0.04 (1,940); sliver / remnants are 55% of inventory. [8],[1] |
| Long Key State Park | Long Key State Park comprises 983.65 acres and more than half the island. Its official plan says the park surrounds Layton and that small resort communities border it, so a parcel's exact boundary and road access matter. [10] |
| Vacant lots that got a home on the tax roll in 2025 | 2 recorded with new-construction evidence. [1] |
| 2026 so far (Jan-Jun) | County-level for Monroe County: 43 recorded vacant-lot sales; median $268,000. [1] |
Pricing
What is a lot in Long Key worth?
These are open-market sale prices. A direct cash offer is usually lower, because a cash buyer closes in days and takes on the time and cost of reselling the lot.
See what similar lots sold for
What moves the price in Long Key
Layton or unincorporated Monroe County
Permit jurisdiction is the first pricing question because the property-address city does not settle it. Layton incorporated in 1963 and runs its own building, planning, zoning, floodplain and code functions. Monroe County handles permits on the unincorporated parts of the island. The FKAA wastewater district confirms the same split by naming the city, state recreation area and unincorporated county within mile markers 65 through 71. A buyer must identify the parcel boundary before applying the right rules. [2],[3],[5],[8]
A small parcel beside protected land
A small parcel beside protected land may have little room left after access, setbacks and flood design. In this scope, the median vacant residential lot is 0.04, or 1,940, and sliver / remnants are 55% of the inventory. The state park's official plan says it covers 983.65 acres and more than half the island. Layton's flood notice identifies more than 50 acres in the Peter Riley Conservation District that will not be developed. A postal address alone cannot distinguish private land from protected acreage. [1],[10],[4]
Wastewater district and connection cost
Wastewater district status can add a concrete development cost. FKAA says the Layton-Long Key plant came online in 2006 and that, when the listed expansion is complete, the facility is expected to treat 35,000 gallons per day. Its current rules list a $7,888 system-development charge per single-family unit after initial system construction, plus a $39.96 monthly base once single-family wastewater service is active. Those rates do not prove that every vacant parcel already has a connection. [7],[8]
Flood elevation, access and tax assessment
Flood elevation and road access can outweigh the tax assessment on a low island parcel. Layton regulates all floodplain development and limits alteration of natural elevations. Monroe County says the whole county is in a floodplain, with base flood elevations from 6 to 17 feet above mean sea level. The median tax-roll just value in this address-city scope is $227,000, with the middle half from $208,400–$468,500; that figure is not a sale trend and does not identify jurisdiction, access or buildability. [4],[6],[1]
Common situations
Selling land in Long Key in these situations
The address says Long Key but the jurisdiction is unclear
Yes. The lot can still be evaluated and sold, but the boundary must be checked before applying permit rules. Layton handles parcels inside the city, while Monroe County handles unincorporated land. Parcel Buyers checks jurisdiction, access, utilities and title before offering, so the written offer can reflect the correct local process rather than the mailing label alone. [3],[5],[8]
You inherited a tiny or irregular parcel
Yes. A small inherited parcel may be sold even if no family member knows whether it is buildable. The title company resolves ownership and signing authority, while the inspection checks its boundary setting, road access, flood position, utility path and nearby protected land. The state park alone covers more than half the island. A failed land inspection costs the seller nothing. [4],[6],[10]
A sewer assessment or lien appears in title
Yes. A recorded assessment or lien can be reviewed during closing rather than guessed from the address. FKAA says the initial Layton district system-development charges were collected through a non-ad valorem assessment. After initial system construction, its current rules set the single-family charge at $7,888 per unit. With the seller's consent, liens or back taxes can be paid from sale proceeds at closing. [8]
Step by step
How do I sell my land in Long Key?
From your first message to money in hand, with nothing left out. Requesting an offer costs nothing and commits you to nothing.
See every detail of the process-
Tell us about your land
Fill out the short form (about 60 seconds) or email us. A land specialist reaches out to confirm the details, usually the same business day.
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Get your cash offer within 24 hours
We review the property and send a written, no-obligation cash offer within 24 hours. It is a real number, not a range. Take it or leave it, with no pressure either way.
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Sign electronically
If you accept, everyone signs the purchase agreement electronically. There is nothing to print or mail at this stage.
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We inspect, the title company verifies
Our team inspects the land and an independent title company runs a title search for liens or taxes owed. If the land does not pass inspection, you are never charged anything.
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Close and get paid
The title company prepares the closing documents for notarization and issues your funds by standard check, overnight check, or wire transfer. A typical sale closes in 10 days.
Questions
Selling land in Long Key: common questions
Who issues building permits for a Long Key address?
It depends on the parcel boundary. The City of Layton issues permits inside its limits, while Monroe County handles unincorporated land. Because the Long Key wastewater district includes both jurisdictions and the state park area, the address-city field alone is not enough.
Can I sell a parcel that may be too small to build on?
Yes. Parcel Buyers buys vacant land with unresolved building issues and checks the parcel before offering. Very small lots are common in this scope, where sliver / remnants make up 55%; jurisdiction, access, flood rules and protected-land boundaries decide more than area alone.
Is public wastewater available on Long Key?
Partly. FKAA's Layton/Long Key plant, online since 2006, serves the Layton city limits and Long Key State Park, and FKAA is expanding collection to properties on the east and west ends of the key. A parcel's connection status and any unpaid assessment still need to be identified separately.
How does flood jurisdiction differ inside Layton?
Layton administers its own floodplain rules inside the city. Its flood notice says all development is regulated, filling or altering a site's natural elevation needs a permit first, and the city receives a 25% Community Rating System insurance discount. Unincorporated parcels use Monroe County review instead.
Why does Long Key State Park matter to a land buyer?
It matters because the park comprises 983.65 acres and more than half of Long Key. Its plan places the park just south of Layton, with the main entrance on U.S. 1. The park page also warns that, from Sept. 26, 2026, the park may close for parts of the day during king-tide flooding, so a buyer needs the exact parcel boundary and road access rather than a broad island name.
Owner resources
Guides for your situation
- Can You Build on a Vacant Lot?
Maybe. A vacant lot is buildable only if the proposed use fits the rules that apply to that parcel and the site can satisfy access, utility, environmental, and permit requirements. Start with the local planning or zoning office, confirm that the parcel is a legal lot, and get a written parcel-specific answer. A zoning label or tax parcel number alone is not approval to build.[1][2]
- How to Sell Land During a Divorce
Florida land can be sold during a divorce when the people with authority to convey title sign and the sale follows every applicable agreement and court order. Divorce law may treat land as marital even when only one spouse appears on the deed.[1][2] If ownership, signing authority, or the division of proceeds is unsettled, have a Florida attorney and the closing title company resolve those issues before closing.
- Can You Sell Land With a Lien?
Yes. Land with a lien can often be sold, but signing a deed does not by itself erase a valid claim. The lien may need to be paid, released, discharged, or otherwise resolved under the law that applies. With the seller's consent, an approved payoff can come from sale proceeds at closing. If the balance or lien is wrong, dispute it before closing and require proof of the cure.
More places in Monroe County
Your written offer
Get your cash offer
Four short steps, about 60 seconds. We review your property and send a written, no-obligation cash offer within 24 hours. You can take it or leave it.
What happens after you send this
- A land specialist reaches out, usually the same business day, to confirm the details.
- You get a written cash offer within 24 hours: a real number, not a range.
- You decide. Requesting an offer costs nothing and commits you to nothing.
You will never be asked to pay us anything. No deposit, no processing fee, no closing-cost advance.
Nearby areas we buy
- Lower Matecumbe Key
144 vacant lots
- Marathon
550 vacant lots · 2025 median lot sale $400,000
- Monroe County
5,994 vacant lots countywide
How we made this page
Parcel Buyers is a land-buying company based in Florida. We buy vacant land directly from owners and publish these local pages so owners can see what land in their area is doing before they sell, to us or anyone else. We count the tax-roll figures ourselves from state data, take local rules and fees from the official sources listed below, and use AI tools to help research and draft the text. Every number links to its source, and we update the page when the data changes.
Method and sources
Tax-roll figures cover parcels whose property address city is Long Key. Source [1] is our own count of the Florida Department of Revenue's 2026 preliminary property tax roll: "vacant residential" means land-use code 000; lot sizes use the land square footage on the roll; values are the county property appraiser's just (market) value as of January 1, 2026; sale prices count only arm's-length sales of a single lot that was vacant when it sold and was still vacant on January 1, 2026 (bulk and multi-parcel deeds removed). Page updated October 4, 2026. The reviewed 2026 recorded-sale window runs from January through June 2026; unreviewed recent sales are excluded. County-level figures are used on this place page.
- [1] Florida Department of Revenue (data); Parcel Buyers (analysis), Parcel Buyers analysis of the 2026 preliminary Name-Address-Legal (NAL) property tax roll (accessed 2026-10-03)
- [2] City of Layton, City of Layton Comprehensive Plan Update (accessed 2026-10-08)
- [3] City of Layton, City Departments (accessed 2026-10-08)
- [4] City of Layton, Flood Protection Information (accessed 2026-10-08)
- [5] Monroe County, Building and Permitting (accessed 2026-10-08)
- [6] Monroe County, Flooding and Floodplain Management (accessed 2026-10-08)
- [7] Florida Keys Aqueduct Authority, Layton-Long Key Wastewater District (accessed 2026-10-08)
- [8] Florida Keys Aqueduct Authority, Rules and Regulations Revised October 2025 (accessed 2026-10-08)
- [9] Florida State Parks, Long Key State Park (accessed 2026-10-08)
- [10] Florida Department of Environmental Protection, Long Key State Park Approved Unit Management Plan (accessed 2026-10-08)