SUNSET KEY (TANK) ISLAND UNRCD
Homes for Sale in Key West, FL
True comps, carrying-cost math, and listings before the portals.

Sunset Key is a private island off the northwest tip of Key West, accessible only by ferry — that physical separation from the mainland grid is the core driver of its median price, which sits at $7.2 million as of late July 2026. You are not just buying square footage; you are buying the absence of cars, the absence of through-traffic, and a level of acoustic and spatial separation that simply does not exist anywhere else in Monroe County at scale.
The market posture right now is pointed. A 37-percent year-over-year price gain on a base already in the millions is a significant move, and the median days on market of 24 tells you that qualified buyers are not lingering when the right property appears. Five closings in the measurement window is a thin data set — price swings can be exaggerated by a single outlier transaction — so treat the YOY figure as directional rather than a precise forecast. What it does confirm is that demand is absorbing available supply without hesitation.
SUNSET KEY (TANK) ISLAND UNRCD right now
🟢 Still climbing. The trailing-12-month median ($7.20M) is up 37.1% from the prior 12 months ($5.25M). With about 4 sales a year, a single closing can swing this number, so read the level and the decade, not one year's move.Momentum Research, record-level floridakeys closed sales, 12-month windows ending July 27. Confidence: Low (5 and 7 sales in the two windows).
What's unique here: the median sale price is about 8x the typical Monroe County sale ($7.20M vs $950K, trailing 12 months, floridakeys records).
Jump to: Price history & scorecard · Homes for sale · Schools · FAQ
Updated July 27, 2026 · Live data: floridakeys, refreshed twice daily · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness
The 60-Second Overview
SUNSET KEY (TANK) ISLAND UNRCD market snapshot (as of July 27, 2026): the median sale price is about $7.20M, and a median 24 days on market for closed sales. The trailing-12-month median is up 37% from the prior 12 months, computed from record-level floridakeys closed sales (5 closings in the current window).
Sunset Key is a low-density private island community reached exclusively by private ferry from Key West's Historic Seaport, placing it in a category with virtually no local competition; the combination of island privacy, proximity to Key West's commercial and cultural core, and a market with fewer than a handful of annual closings makes pricing here highly transaction-sensitive and consistently at the top of the Florida Keys range.
Who SUNSET KEY (TANK) ISLAND UNRCD is best for.
Best for
- A buyer at or above the $7.2M median who prioritizes car-free, low-density island living and views the ferry as a feature rather than a friction point.
- A buyer seeking a Key West-area property who wants physical distance from the noise and density of Duval Street without sacrificing proximity to it.
- A buyer with a long hold horizon who understands that thin inventory can compress time-on-market but also limits exit liquidity when circumstances change.
Probably not for
- A buyer whose budget requires stretching to reach this median — at this price tier with this few annual transactions, there is no margin for an overpay.
- A buyer who expects to self-manage active renovations; the ferry logistics add meaningful cost and coordination complexity to any substantial construction project.
- A buyer expecting a robust amenity package confirmed at the listing stage — current MLS data identifies no community amenities, and that gap requires direct verification before committing.
Price History: What Homes Here Have Actually Sold For
Median sale price over the trailing 12 months ending July 27 of each year, from record-level floridakeys closed sales. Same methodology as every appreciation figure on this page: the 2026 point ($7.20M) IS the median in the snapshot above, and the move from 2025 ($5.25M) IS the +37.1% one-year change.
Windows contain 1 to 7 sales each (5 in the current window); every figure carries its sample size, and thin markets swing on single closings. Listing data provided by Florida Keys MLS, Inc. Information is deemed reliable but is not guaranteed by the MLS to be accurate. Deemed reliable but not guaranteed.
The real cost & risk here
Before the list price, the Florida math the portals skip. These are Monroe County typicals — your exact home, flood zone, and insurance quote will vary, so verify each before you offer.
Check it for your address: look up your flood zone (FEMA) · insurance by county · true-cost calculator · Monroe County scorecard.
County typicals from Momentum’s Florida housing data (Zillow & Realtor.com aggregates, Census, FRED), updated monthly; insurance modeled. Flood zone is property-specific — always confirm via FEMA.
The SUNSET KEY (TANK) ISLAND UNRCD buying strategy.
If we were buying in SUNSET KEY (TANK) ISLAND UNRCD today, this is the order of operations we would run for our clients.
Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.
Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.
Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.
Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.
Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in SUNSET KEY (TANK) ISLAND UNRCD.
What the island premium actually buys — and what it demands
The structural premium on Sunset Key is not about finishes or lot size in isolation — it is about the ferry-dependent access model. Every resident, every contractor, every delivery depends on that boat. That constraint cuts two ways: it enforces the quiet and low-density character that commands the price, and it imposes real logistical friction on ownership. Renovation projects require advance coordination. Spontaneous runs to the hardware store do not exist. Buyers who have not lived on an island before consistently underestimate this overhead, and it surfaces as a dissatisfier post-closing.
No community amenities were identified from current MLS listings, which is notable at this price tier. Buyers should conduct direct due diligence on what private amenities, beach access, and services are currently operational and included in any homeowners' association structure before writing an offer. The five-closing sample window also means that any single distressed or estate sale can move the median materially in either direction; comparative valuation here requires pulling individual transaction histories rather than leaning on aggregate statistics.
The location and the amenities are priced into every listing in SUNSET KEY (TANK) ISLAND UNRCD. The deal is won or lost on condition, the comps, and the renovation math.
Why work with Momentum here
A thin-inventory, high-median island market punishes buyers and sellers who are not prepared before they engage. Momentum's role is to get you to the table with current comparable transaction data — not just the five most recent closings, but the full historical pattern on the island — so you understand whether today's ask reflects genuine value or a seller anchoring to the YOY headline. We also coordinate the physical due diligence that island logistics complicate: scheduling inspectors, contractors, and access around ferry schedules requires a team that has done it before.
SUNSET KEY (TANK) ISLAND UNRCD in 15 seconds.
HOA, CDD & Fees
- Mandatory HOA — confirm current dues
- Any club/amenity membership is billed separately
Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.
Tools for a SUNSET KEY (TANK) ISLAND UNRCD buy.
Free calculators to pressure-test the real cost before you tour.
Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed SUNSET KEY (TANK) ISLAND UNRCD sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in SUNSET KEY (TANK) ISLAND UNRCD, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your SUNSET KEY (TANK) ISLAND UNRCD home worth?
Get a no-obligation home value based on real comparable sales in SUNSET KEY (TANK) ISLAND UNRCD, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.
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Frequently Asked Questions
What is the median home price in SUNSET KEY (TANK) ISLAND UNRCD?
How long do homes in SUNSET KEY (TANK) ISLAND UNRCD take to sell?
Do cash buyers compete in SUNSET KEY (TANK) ISLAND UNRCD?
Who is the best real estate agent for SUNSET KEY (TANK) ISLAND UNRCD?
How do I find a top Key West real estate agent who knows SUNSET KEY (TANK) ISLAND UNRCD?
Can Momentum Realty connect me with an agent for SUNSET KEY (TANK) ISLAND UNRCD?
Should you buy in SUNSET KEY (TANK) ISLAND UNRCD?
An honest fit check. We will tell you when it is not your community.
Data sources & freshness
| Community market stats | floridakeys closed sales, 12-month windows ending July 27, 2026 |
| Historical depth | Closed-sale records back to 2002 (85 transactions analyzed) |
Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.
Momentum Research figures are our own analysis of floridakeys records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.
Own a home here?
You just read the data. Now see what your home is worth.
The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum sells for 1.25% above the floridakeys member average and 8 days faster, and we’ll price yours against live your area comps.
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