Financing an Islamorada Rental Without a Key Largo Blend

Jacob Mishalanie
Aug 19
12 min read

Updated: 3 days ago

History of Diving Museum helmet sign, Islamorada

An Islamorada DSCR file starts with one number: $46,255, the published typical year on 368 listings, ADR $650, occupancy 30.4 percent, RevPAR $193, for the August 2025 through July 2026 vintage. It does not start with Key Largo's $45,955, and it does not start with a blended Keys average that averages the two into a figure neither market actually printed. Every dollar figure and every deadline in this file traces back to that one published market, and a packet that drifts from it is a packet an underwriter will eventually catch.

This page keeps the note on the Village line, names the legal desks a lender should confirm before underwriting the use, and refuses to guess a coverage ratio or a purchase price. This is not legal advice, and it does not guess occupancy, licensing, or tax figures the Village and county have not published themselves.

Price the Note on $46,255, Not a Regional Average

A DSCR file has to start with the published typical year on the town that actually holds the driveway. For an Islamorada parcel, that year is $46,255 on 368 listings, and it is neither a Key Largo median nor a Key West satellite figure. Peak months on this sample are March, February, and April; September is the hole. Stay length runs 6.2 nights, with lead time at 93 days.

A lender who wants a coverage ratio still needs PITI, taxes, insurance, and a vacancy assumption that names September specifically rather than spreading the shortfall evenly across twelve months. This page won't guess a purchase price or a ratio; it names the one published Islamorada year the packet can actually cite.

If an underwriter asks for trailing twelve months of actuals on a specific address, provide that address's real numbers. If an underwriter asks for a Key Largo rent roll to support an Islamorada purchase, that request should be declined, because the two markets don't share a year.

Key Largo's $45,955 Does Not Travel to This Note

The most common shortcut in a Keys DSCR file is averaging two adjacent markets into one blended number, as if $46,255 and Key Largo's $45,955 described the same rent roll. They don't. Islamorada runs 30.4 percent occupancy on 368 listings; Key Largo runs 38.8 percent occupancy on 833 listings, a materially larger sample with a different demand pattern.

The two markets also diverge on origin and direction: Islamorada's largest labeled origin is New York, while Key Largo's is Miami. Islamorada printed plus 1.4 percent year over year; Key Largo printed minus 2.5 percent over the same window. Averaging opposite trend lines into one number produces a figure that describes neither market honestly.

Keep Key Largo's number on its own labeled line whenever a comparison is useful, and never let it substitute for Islamorada's own year. If the parcel under review sits in Key Largo rather than the Village, that parcel's own published figure applies, not this one, and no amount of proximity between the two towns changes which figure is legally and financially correct to cite.

Confirm the Village License Before You Underwrite the Use

The Village of Islamorada's 2026 vacation rental license runs $1,325, processed through the City View portal, with Planning and Development Services answering questions at (305) 664-6498. A life-safety inspection has to pass before that license issues, and operating without one is a code matter, not a marketing one.

Unincorporated Monroe County runs a separate desk: its Special Vacation Rental program is $490, and it does not apply to a parcel inside the Village. A DSCR packet that names the unincorporated fee for a Village driveway is citing the wrong hall, and a lender relying on that packet is underwriting a use the actual jurisdiction hasn't confirmed.

Monroe County's tourist development tax runs 5 percent, and Florida's DBPR registration applies statewide under Florida Statute 509. None of those figures are revenue; they're the legal cost of operating the use at all, and they belong in the packet as diligence lines, confirmed with the actual desk, not estimated from a market extract.

Year Over Year Is Plus 1.4 Percent. Read the Supply Line With It.

Islamorada printed a year-over-year change of plus 1.4 percent on this 368-listing sample, while supply grew 16.8 percent over the same window. Reading the growth number alone, without the supply figure sitting next to it, makes a modest gain look like a stronger trend than the market actually showed once more competing listings entered it.

That combination, mild growth alongside meaningfully higher supply, is a market finding its level, not a market in a clear breakout. It's also not a reason to borrow Key Largo's 38.8 percent occupancy as a stand-in for what Islamorada might do next year; the two markets' trend lines are already moving in opposite directions this vintage.

Carry both figures in any packet built for an officer: plus 1.4 percent year over year, plus 16.8 percent supply growth, same August 2025 through July 2026 window. Either number alone tells an incomplete story.

Robbie's, Theater of the Sea, and the Overseas Highway Are Not Debt Service

Robbie's Marina, Theater of the Sea, the History of Diving Museum, Green Turtle Inn, and Anne's Beach are real, well-known stops in this part of the Keys, and they're genuinely useful in a visitor guide. None of them are occupancy figures, and treating a marina crowd or a museum's foot traffic as if it explains ADR $650 is a tourism claim wearing a DSCR costume.

Origin on this sample is New York, and domestic guests make up roughly 92 percent of the total. That mix is a demand fact worth knowing; it doesn't raise the typical year, and it doesn't turn a landscape stop into a revenue line an underwriter can rely on.

Keep the visitor narrative on the marketing page it belongs on, and keep the loan file down to what's actually published: $46,255, ADR $650, occupancy 30.4 percent, and the vacancy assumption that names September as the soft month.

10.9 Percent Thirty-Plus Settings Are Not a Filled September

Forty listings, 10.9 percent of the Islamorada sample, have a thirty-plus night minimum set. That's a filter other hosts chose on the platform, not evidence that September gets occupied at a higher rate because a handful of listings toggled a longer minimum. Softest revenue on this sample is still September, sitting inside a low stretch that runs September through November.

A monthly markdown guessed to make September look underwritten doesn't change what the extract actually printed, and this page won't manufacture one. The most common minimum on the sample overall is seven to twenty-nine nights at 52.2 percent, which describes a short-to-medium village stay far more than it describes a filled long-stay calendar.

If an underwriter wants a long-stay case for a specific parcel, send that address's real stay-length and minimum-setting facts, plus actuals if they exist. Sending an guessed monthly yield to smooth over a genuinely soft month is the error this page is built to catch, not commit.

Confirm the Parcel's Zoning Screen Before You Price Anything

The Village names two assessed-value screens relevant to a vacation-rental parcel: Residential High or Mixed Use land carries a $708,000 screen, while Residential Conservation, Residential Low, or Airport-zoned land carries a $1,062,000 screen. Confirm which screen applies to the specific parcel's Future Land Use Map designation before treating either figure as settled.

Zoning also determines minimum stay independent of the license fee. Residential zoning in the Village typically carries a seven-day minimum, and a stay of twenty-eight days or more falls outside the vacation-rental license framework entirely, though Monroe's tourist development tax can still apply if the stay runs six months or less.

None of this replaces a conversation with Village Planning at (305) 664-6498 or a licensed professional. A DSCR file that assumes the use is legal without confirming the FLUM screen and the license status is underwriting a listing the Village hasn't actually approved.

What a Lender Packet Should Actually Carry

Carry the parcel address, whether it sits inside the Village or in unincorporated Monroe, the county, and the Planning phone number. Carry the published market that matches the correct jurisdiction, which for a Village parcel is $46,255, vintage August 2025 through July 2026, plus 1.4 percent year over year, and plus 16.8 percent supply growth. Carry September as the named hole and March, February, and April as the peak three.

Carry the $1,325 Village license fee and the 5 percent Monroe TDT as diligence lines, not as revenue. Carry actuals for the subject address if they exist; they always outrank the sample average. Carry a photo set that actually matches the Village, not a Key Largo or Key West substitute.

Do not carry a blended Keys rent roll, a Key Largo occupancy figure standing in for Islamorada's, or Robbie's foot traffic dressed up as debt service. A packet that can say the Islamorada number out loud and stop there is a packet built to survive an underwriter's second question, not just the first one, and it's a packet built on one town's own year, one town's own license fee, and one town's own tax rate, with every neighboring figure kept off to the side and clearly labeled.

What Happens When an Officer Wants One Keys Number

Occasionally an underwriter, working through several Keys files in a row, will ask for a single blended figure to speed up comparison across properties. That request is understandable from a workflow standpoint and still shouldn't be answered with an guessed average, because the average would misstate the actual risk on whichever specific parcel is being financed.

The correct response is to send this page's structure instead: the parcel's own jurisdiction, its own published year, its own license status, and its own tax obligations, named individually rather than folded into a regional shortcut. That takes a few more minutes than handing over one number, and it produces a file that holds up if the loan is ever reviewed later.

If the officer still wants a single number after seeing the full picture, that's a workflow preference, not a data gap. Islamorada's own $46,255 is the number this specific driveway can defend; a regional average is not, no matter how much faster it is to type.

Statewide Requirements Sit on Top of the Village License

The Village license and Monroe's tourist development tax aren't the only compliance layers on an Islamorada short-term rental. Florida's Department of Business and Professional Regulation requires registration under Florida Statute 509 for transient rental accommodations statewide, and Florida sales tax on those same stays runs 7.5 percent to the Department of Revenue, separate from the county tourist tax.

None of those figures belong in a revenue line. They're fixed operating costs and compliance obligations that exist regardless of how the property performs, and a packet that omits any one of them is presenting an incomplete cost picture to whoever is underwriting the note.

Confirm the current combined rate and any recent changes directly with DOR and DBPR rather than relying on a market extract to state tax law. AirROI-style data covers market performance; it does not cover statute, and a DSCR file that blurs the two is mixing a market fact with a legal one.

Buying or Refinancing, the Rule Doesn't Change

Whether the note is a purchase or a refinance, the same discipline applies: price against $46,255 on 368 listings, confirm the license and zoning before assuming the use, and never let a neighboring town's figure stand in for this one. A refinance on an existing Islamorada listing with real trailing revenue should lean on those actuals first, since they outrank the sample average by definition.

A purchase with no operating history has less to lean on, which makes the published figure more important, not less. That's exactly the situation where a blended Key Largo number is most tempting, because it can be made to look like upside on a property with no track record yet to contradict it.

Resist that temptation on both sides of the transaction. A buyer who underwrites against an honest $46,255 and outperforms it has a genuinely good story. A buyer who underwrote against a blended number and misses it has a note that never should have priced that way.

Listing Composition Is a Sample Fact, Not Extra Revenue

Professionally managed listings make up 31.0 percent of this sample, and superhost status covers 38.0 percent. Entire-home listings are 83.7 percent of the total, with houses at 56.8 percent. Two-bedroom units are the most common configuration at 28.5 percent, and a capacity of eight or more guests is the most common single setting at 32.9 percent, alongside a meaningful hotel-and-boutique share of 16.6 percent.

Those figures describe what this sample looks like today. They're useful for understanding what kind of property competes in this market, but none of them adds a dollar to $46,255. A buyer weighing a larger, higher-capacity house shouldn't read the 32.9 percent figure as proof that capacity alone lifts revenue past the published year.

Two locally recognized management brands, First Class Stays Florida and Florida Stays, show up in this sample at real listing counts. Naming them accurately is fine; guessing a third brand or a different scale for either one to pad a packet is the same error as blending Key Largo's occupancy into this note.

Frequently Asked Questions

What revenue figure should a DSCR lender use for an Islamorada short-term rental?

Use the published Islamorada typical year of $46,255 on 368 listings, vintage August 2025 through July 2026, with ADR $650, occupancy 30.4 percent, and RevPAR $193. That figure describes this specific Village sample, not a Key Largo median and not a blended Keys average. If the subject address has real trailing actuals, those actuals outrank the sample figure. Never substitute a neighboring market's number for this one.

Can Key Largo's revenue figure be used for an Islamorada loan?

No. Key Largo prints $45,955 on 833 listings at 38.8 percent occupancy, with a minus 2.5 percent year-over-year trend, while Islamorada runs 30.4 percent occupancy on 368 listings with a plus 1.4 percent trend. Averaging the two markets into a blended figure produces a number neither market actually published. Keep each town's figures on its own labeled line whenever both come up in the same conversation.

What license does a Village of Islamorada vacation rental need?

The Village's 2026 vacation rental license runs $1,325 through the City View portal, with Planning and Development Services reachable at (305) 664-6498, and a life-safety inspection required before the license issues. This differs from unincorporated Monroe County's separate $490 Special Vacation Rental program, which does not apply inside Village limits. Confirm the parcel's jurisdiction directly with Planning before assuming either fee applies. This is general information, not legal advice.

How should year-over-year change be presented in a DSCR packet?

Present the growth figure alongside the supply figure, not alone. Islamorada printed plus 1.4 percent year over year against plus 16.8 percent supply growth in the August 2025 through July 2026 vintage, meaning a modest gain arrived alongside meaningfully more competing listings. Reporting only the growth number without the supply context makes the trend look stronger than the underlying market actually showed.

Can visitor attractions like Robbie's Marina support a DSCR ratio?

No. Robbie's Marina, Theater of the Sea, and similar stops are genuine visitor destinations, but they're not occupancy data, and they don't belong in a coverage-ratio calculation. Islamorada's occupancy is 30.4 percent on 368 listings regardless of nearby foot traffic. Keep tourism narrative on marketing materials and keep the loan file limited to the published market figures a lender can actually verify.

Do the 40 listings with a thirty-plus night minimum mean September is filled?

No. Forty listings, 10.9 percent of the sample, have that minimum set as a platform filter, which is different from September actually being booked at a higher rate. September remains the named low month in this sample, part of a broader September-through-November soft stretch. A minimum-night setting describes a host's choice, not a guest's confirmed reservation.

What zoning detail matters before financing an Islamorada rental?

Confirm the parcel's Future Land Use Map designation against the Village's assessed-value screens: $708,000 for Residential High or Mixed Use, and $1,062,000 for Residential Conservation, Residential Low, or Airport-zoned land. Zoning also typically sets a seven-day minimum stay for residential parcels, and stays of twenty-eight days or more fall outside the vacation-rental license framework. Confirm specifics with Village Planning; this is not legal advice.

What should a complete Islamorada DSCR packet include?

Include the parcel address, its jurisdiction (Village versus unincorporated Monroe), the Planning phone number, the published $46,255 figure with its vintage, plus 1.4 percent year-over-year change, plus 16.8 percent supply growth, September named as the hole, and the peak three of March, February, and April. Include the $1,325 Village license fee and 5 percent Monroe TDT as diligence lines, not revenue, and any actuals available for the subject address.

Can Key West or Marathon revenue figures be used for an Islamorada parcel?

No. Islamorada is the Village of Islamorada, and its published year, $46,255 on 368 listings, applies only to parcels actually located within Village limits. If a parcel sits in Key West or Marathon, the correct published figure for that specific market applies instead. Confirm the parcel's actual location before citing any market figure in a lender packet.

Work with Crest & Cove Creative

A lender packet blends Key Largo's $45,955 into an Islamorada note, splitting the difference as if the two towns shared one rent roll. They don't, and the Village's own $46,255 year is the only figure this driveway can actually cite.

We help Islamorada hosts and buyers keep listing copy and lender-facing figures honest to the Village's own published year, not a blended Keys average. Send us the address if the packet or the listing still reads like it belongs to a different key.

Reach out at crestcove.co or (256) 998-7502.