Monroe County, Florida
Sell your land in Duck Key for cash
Parcel Buyers buys vacant land on Duck Key for cash, including canal-area lots whose access depends on the island's engineered bridge network. You get a written, no-obligation cash offer within 24 hours, and closings run through an independent 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 Duck Key?
- Parcel Buyers is a direct land buyer that makes written, no-obligation cash offers on vacant lots and acreage in Duck 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 Duck Key?
- The 2026 Florida property tax roll lists 114 vacant residential lots in Duck Key; 56% are standard city lots, and the median lot is 0.20 acre.
- How is a cash offer for land in Duck 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 Duck 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 Duck Key got a home on the tax roll in 2025?
- 6 vacant lots in Duck Key changed from vacant-residential use to a home with new-construction evidence on the 2026 preliminary tax roll.
Local data
Duck Key land at a glance
Tax-roll figures cover parcels whose property address city is Duck Key in Monroe County. Local rules and services are sourced below.
| Vacant residential lots | 114 parcels classified vacant residential on the 2026 tax roll [1] |
|---|---|
| Most common lot size | Standard city lot (7,000–9,000 sq ft): 56% of vacant lots; next, quarter-acre lot at 32%. Median lot: 0.20 acre (8,510 sq ft). [1] |
| Typical assessed value | $197,100 median just (market) value for a vacant lot; the middle half fall between $156,500 and $338,900 [1] |
| Recent lot sale prices | Too few arm's-length vacant-lot sales in 2025 to report a reliable median for Duck Key [1] |
| County permits, not a city | This is an unincorporated Monroe County community. County Planning administers zoning, and the county Building Department issues building permits. [2],[3] |
| Engineered island layout | A county cultural-resource report says the resort's engineered canals split the island into four sections joined by decorative bridges and let tidal water flush through. [4] |
| Four historic bridges | The same report says the four canal bridges were evaluated as individually eligible for the National Register, and the present U.S. 1 causeway bridge dates to 1967. [4] |
| 2026 bridge work | Monroe County reported Harbour Drive bridge work complete by February 6, 2026, and Seaview Drive reopened to two-way traffic February 19. Repairs to the Toms Harbor Channel Bridge to U.S. 1 began under a March 18, 2026 notice to proceed. [5] |
| Wastewater capacity | The county's current public-facilities report lists 275,000 gallons per day of wastewater capacity and states a 98.1% connection rate for the Duck Key system. [6] |
| Security taxing district | The county created a special taxing district for residential security. Its FY2026 budget records $120,608 in special-assessment revenue from district property owners. [8],[9] |
| Flood and ROGO rules | All county land is in a floodplain. A new house normally needs ROGO; the Upper and Lower Keys sheet subtracts 6 points in a V zone and adds 4 for central sewer. [10],[12] |
| Curry Hammock State Park | The Florida State Parks Overseas Heritage Trail map places Curry Hammock State Park between mile markers 55 and 60, a short way down the Overseas Highway from Duck Key toward Marathon. [13] |
| Vacant lots that got a home on the tax roll in 2025 | 6 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 Duck 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 Duck Key
Bridge position and canal layout shape access
The island's physical layout makes bridge access a core pricing issue. Monroe County's cultural report explains that engineered canals divided the resort into four sections connected by decorative bridges. It says the four canal bridges were evaluated as individually eligible for the National Register and dates the present U.S. 1 causeway bridge to 1967. County updates show that Harbour Drive was complete by February 6, 2026, and Seaview Drive reopened to two-way traffic on February 19. A lot's route across this network can matter as much as its acreage. [4],[5]
The security district adds a separate public charge
Residential security is funded through a county special taxing district, not ordinary association dues. The advisory board page says the district exists to provide security services for residential areas. Monroe County's adopted FY2026 budget identifies fund 152, records $120,608 in special-assessment revenue and sets a $166,100 total budget. Those are district totals, not a per-vacant-lot rate. The parcel's current tax bill is the record for whether and how the individual property is assessed. [8],[9]
Central sewer is broad but still parcel-specific
The current county report lists 275,000 gallons per day of wastewater capacity and a 98.1% connection rate for the Duck Key system. That systemwide rate does not prove that an empty lot has a lateral, a paid assessment or capacity reserved for a future plan. The county processes parcel-specific wastewater payoff requests. A buyer should separate system capacity, physical connection and remaining debt rather than assuming all three from the address. [6],[7]
Flood zone and lot size affect a new-home permit
The median vacant residential parcel contains 0.20 acre, about 8,510, and 56% are standard city lots. Size alone does not establish a building envelope. Monroe County says all land is in a floodplain and its parcel tool shows FEMA zone, zoning, tier and habitat. Under the Upper and Lower Keys ROGO sheet, central sewer adds 4 points while a V zone subtracts 6. Those permit factors can distinguish two canal-area parcels with similar tax-roll dimensions. [1],[10],[11],[12]
Common situations
Selling land in Duck Key in these situations
Your lot is beyond a bridge under repair
Yes. A lot can be sold while bridge work or monitoring is underway. Monroe County maintains a project page with current access updates; Harbour Drive was complete by February 6, 2026, and Seaview Drive fully reopened to two-way traffic on February 19. On the Toms Harbor Channel Bridge to U.S. 1, the county says beam repairs shift traffic between lanes starting September 14, with no lane closures planned. The only contingency is our land inspection, and a failed inspection costs the seller nothing. [5]
You do not know the security assessment amount
Yes. You can sell before calculating the district charge yourself. The county budget publishes $120,608 in total FY2026 special-assessment revenue, not a single per-lot rate. The budget says the charge is collected from Duck Key property owners under County Ordinance 005-1992, and the tax bill shows the amount for one parcel. Liens or back taxes can be paid from the sale proceeds at closing, with the seller's consent. [8],[9]
You inherited a canal-area parcel
Yes. You can sell inherited land even when you do not know which canal, bridge or utility line serves it. The county's cultural report documents the four-section canal layout, while its wastewater report gives only systemwide connection data. We check utilities, access and title on every parcel before making a written offer. [4],[6]
You live out of state and want to close remotely
Yes. You can sell from outside Florida without crossing the island's bridge network. Electronic signing and mail-away closings are available, and payment can be sent by check or wire. Closing runs through an independent, licensed title company, typically about 10 days after the purchase agreement when title is ready. [4]
Step by step
How do I sell my land in Duck 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 Duck Key: common questions
Who issues building permits on Duck Key?
Monroe County does. County Planning administers land-use rules in the unincorporated area, and the Building Department issues construction permits. A new house normally also needs a ROGO allocation.
Does every vacant lot pay the same security assessment?
No single vacant-lot rate appears in the county budget. It records $120,608 in total FY2026 special-assessment revenue for the district. The parcel's tax bill and assessment roll show the individual charge.
Can I sell if the sewer connection is unclear?
Yes. The current county report states a 98.1% systemwide connection rate, but that does not prove a vacant lot has a lateral or paid balance. We buy lots with no water, sewer or road work and confirm utility status during review.
Does a canal view mean private boat access?
No. The county's history confirms an engineered canal-and-bridge layout, but a view does not prove navigable depth, dock rights or legal shoreline access. Those features must come from the parcel and permit records.
Does bridge work prevent a title closing?
No. Bridge work affects physical access, not whether a deed can transfer. The county project page is the source for current conditions. Parcel Buyers checks utilities, access and title before offering, and closing runs through an independent, licensed title company.
Owner resources
Guides for your situation
- 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.
- 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]
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
- Monroe County
5,994 vacant lots countywide
- Marathon
550 vacant lots · 2025 median lot sale $400,000
- Long Key
80 vacant lots
- Lower Matecumbe Key
144 vacant lots
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 Duck 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 5, 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] Monroe County, Current Planning for unincorporated Monroe County (accessed 2026-10-05)
- [3] Monroe County, Building and Permitting (accessed 2026-10-05)
- [4] Monroe County, Monroe County historic and cultural resources report (accessed 2026-10-05)
- [5] Monroe County, Duck Key bridge updates (accessed 2026-10-05)
- [6] Monroe County, 2025-2027 Public Facilities Capacity Assessment Report (accessed 2026-10-05)
- [7] Monroe County, Wastewater systems and assessment payoffs (accessed 2026-10-05)
- [8] Monroe County, Duck Key Security District Advisory Board (accessed 2026-10-05)
- [9] Monroe County, Fiscal Year 2026 adopted budget summary (accessed 2026-10-05)
- [10] Monroe County, Flooding in Monroe County (accessed 2026-10-05)
- [11] Monroe County, Research tips for zoning, tier and flood maps (accessed 2026-10-05)
- [12] Monroe County, ROGO and NROGO permit allocation system (accessed 2026-10-05)
- [13] Florida State Parks, Florida Keys Overseas Heritage Trail map (accessed 2026-10-05)