CROSS KEY WATERWAYS
Homes for Sale in Key Largo, FL
True comps, carrying-cost math, and listings before the portals.
Market Heat

Cross Key Waterways is a waterfront community in Key Largo where the price driver is simple and unambiguous: water access. With a median price in the mid-$1.2 millions and a median living area of roughly 1,248 square feet, buyers are not paying for square footage — they are paying for a Keys address and what a canal lot or open-water exposure unlocks. That equation has held up over the long run; the community has seen dramatic appreciation since 2012, and the median still sits well above what most inland Monroe County neighborhoods can command at similar sizes.
The current market posture tells a more cautious story. A market heat score of 22 signals a distinctly buyer-favoring environment, and a median days on market of 70 reflects measured demand — sellers are waiting. The year-over-year price shift is notable and negative, meaning the peak enthusiasm that once compressed timelines here has receded. Buyers who are pre-approved and patient have real negotiating leverage right now; sellers who price to recent comps rather than peak-cycle memory will move product. Neither side should expect a fast, frictionless close.
CROSS KEY WATERWAYS right now
🔴 Off the recent peak. The trailing-12-month median ($1.24M) is down 26.5% from the prior 12 months ($1.69M) and up 351% since 2012. With about a dozen 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: Medium (10 and 6 sales in the two windows).
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
CROSS KEY WATERWAYS market snapshot (as of July 27, 2026): the median sale price is about $1.24M, and a median 70 days on market for closed sales. The trailing-12-month median is down 26% from the prior 12 months and up 351% since 2012, computed from record-level floridakeys closed sales (10 closings in the current window).
CROSS KEY WATERWAYS is a community of 370 homes in Key Largo, Monroe County, built between 1955 and 2024 (median 1982), with a median living area of about 1,248 square feet. 28% of parcels are homesteaded, the owner-occupancy proxy in the Florida DOR assessment roll (2025 roll, public records).
Cross Key Waterways spans roughly 370 homes built across seven decades — from 1955 through 2024 — with a median build year of 1982, a vintage that often means updated interiors sitting on original Keys construction, and wide condition-driven spread in actual transaction prices. Just over a quarter of parcels carry a homestead exemption, underscoring the community's character as a destination or investment holding rather than a primary-residence enclave.
Who CROSS KEY WATERWAYS is best for.
Best for
- A cash or well-capitalized buyer targeting a Keys waterfront second home or vacation property who has budgeted for wind, flood, and maintenance costs independently of the purchase price.
- A long-term investor comfortable holding through price cycles who views the decade-plus appreciation record as evidence of durable demand for water-access inventory in this corridor.
- A buyer who wants a modest footprint — roughly 1,200 square feet — with direct water access and is willing to invest in updating older construction to current code and efficiency standards.
Probably not for
- A buyer whose financing is contingent on a specific appraised value in a market that is actively repricing — appraisal gaps are a real risk in a declining-trend environment.
- Anyone whose total housing budget ends at the purchase price, without reserve for insurance premiums, potential seawall or dock work, and the ongoing costs of maintaining a Keys-vintage structure.
- A buyer expecting a short hold and a quick resale — a 70-day median and a buyer-favoring heat score mean exit timelines are not compressed, and current price trends do not support a flip thesis.
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 ($1.24M) IS the median in the snapshot above, and the move from 2025 ($1.69M) IS the -26.5% one-year change.
Windows contain 6 to 19 sales each (10 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 CROSS KEY WATERWAYS buying strategy.
If we were buying in CROSS KEY WATERWAYS 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 CROSS KEY WATERWAYS.
What the Numbers Don't Show You
The 1982 median build year matters more here than it would in a typical suburban market. Florida Keys construction from that era predates modern hurricane codes, and the spread from 1955 to 2024 means two adjacent homes can be separated by a full generation of building standards, insurance categories, and flood-zone treatment. A buyer's due diligence checklist in Cross Key Waterways needs to include wind mitigation reports, FEMA flood-zone confirmation, current flood and wind insurance quotes, and an inspection from someone experienced with Keys-specific issues — cisterns, seawall condition, dock permits, and the like. These are not formalities; they move the real cost of ownership meaningfully in either direction.
The homestead share of roughly 28 percent signals that a significant majority of units are non-primary holdings. That shapes the resale inventory: when motivation changes — rate environment, life stage, or carrying-cost pressure — listings can arrive in clusters, and the current buyer-leaning market reflects some of that dynamic. There are no community amenities identified in current MLS data, so lifestyle calculus here is entirely built around the water itself and Key Largo's broader offerings, not any on-site infrastructure.
The location and the amenities are priced into every listing in CROSS KEY WATERWAYS. The deal is won or lost on condition, the comps, and the renovation math.
Momentum Buy Score.
Our proprietary 0 to 10 read across the factors that decide how a home in CROSS KEY WATERWAYS buys, holds, and resells. Momentum Research; not an appraisal.
Momentum Intelligence Scores are our proprietary, qualitative assessment on a 0 to 10 scale, built from the record-level market data on this page. They are a framework for comparing communities, not a guarantee of future value and not advice on a specific home; unlike an automated value estimate they do not price your home, they grade the community on evidence you can inspect. Composite is the plain average of the 4 factors (3.8). Basis: Long-Term Appreciation +351% since 2012; Recent Direction -26.5% year-over-year; Owner Commitment 28% owner-occupied; Pricing Power 88.7% sale-to-list. Refreshed with each data update.
Why work with Momentum here
Monroe County waterfront transactions carry layers that mainland closings do not: deed restrictions tied to water access, dock permitting status, FEMA flood-zone classifications, and insurance underwriting that can reprice a deal days before closing. Momentum Realty's Northeast Florida team works the Keys feed precisely because our clients deserve representation that has seen these complications before, not representation that is learning on their transaction. In a buyer-favorable market with 70-day median days on market, a well-positioned offer backed by current comps and clean contingency language wins. We will also tell you plainly when a specific listing's carrying costs make the math not work — that honesty is the service.
CROSS KEY WATERWAYS 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 CROSS KEY WATERWAYS 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 CROSS KEY WATERWAYS sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in CROSS KEY WATERWAYS, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your CROSS KEY WATERWAYS home worth?
Get a no-obligation home value based on real comparable sales in CROSS KEY WATERWAYS, 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 CROSS KEY WATERWAYS?
How long do homes in CROSS KEY WATERWAYS take to sell?
How many homes are in CROSS KEY WATERWAYS?
What share of CROSS KEY WATERWAYS is owner-occupied?
When were the homes in CROSS KEY WATERWAYS built?
Do cash buyers compete in CROSS KEY WATERWAYS?
Have CROSS KEY WATERWAYS home prices gone up?
Who is the best real estate agent for CROSS KEY WATERWAYS?
How do I find a top Key Largo real estate agent who knows CROSS KEY WATERWAYS?
Can Momentum Realty connect me with an agent for CROSS KEY WATERWAYS?
Should you buy in CROSS KEY WATERWAYS?
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 |
| Housing stock & ownership | Florida DOR 2025 assessment roll (street-list match (19 streets, ZIP 33036/33037/33070)) |
| Historical depth | Closed-sale records back to 2002 (229 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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