N MARATHON SHORES
Homes for Sale in Marathon, FL
True comps, carrying-cost math, and listings before the portals.
Market Heat

North Marathon Shores sits in the Florida Keys market, where scarcity, coastal exposure, and Monroe County's strict development limits do most of the pricing work. The median sold price of $625,000 reflects that structural floor, but a year-over-year decline of 9.3 percent signals that buyers have regained negotiating room after several years of compressed inventory and elevated demand. This is not a market in distress — it is one normalizing off a peak, and the distinction matters for both sides of a transaction.
A median of 49 days on market and a market heat score of 30 confirm a buyer-favorable posture. Listings are sitting long enough for due diligence without the urgency that defined earlier cycles. The 5 recorded closings in the current measurement window underscore thin transaction volume, which amplifies price volatility in either direction — one outlier sale can move the median meaningfully in a community this size.
N MARATHON SHORES right now
🔴 Off the recent peak. The trailing-12-month median ($625K) is down 9.3% from the prior 12 months ($689K) and up 44% since 2012. With about 8 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 9 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
N MARATHON SHORES market snapshot (as of July 27, 2026): the median sale price is about $625K, and a median 49 days on market for closed sales. The trailing-12-month median is down 9% from the prior 12 months and up 44% since 2012, computed from record-level floridakeys closed sales (5 closings in the current window).
N MARATHON SHORES is a community of 262 homes in Marathon, Monroe County, built between 1951 and 2024 (median 1973.0), with a median living area of about 1,558 square feet. 53% of parcels are homesteaded, the owner-occupancy proxy in the Florida DOR assessment roll (2025 roll, public records).
North Marathon Shores is a modest-scale residential community of roughly 262 homes in Marathon, Monroe County, where lot and permitting constraints keep new supply limited and the existing stock spans a wide vintage range — from mid-twentieth-century concrete block construction through a handful of homes built as recently as 2024.
Who N MARATHON SHORES is best for.
Best for
- Buyers with a flexible timeline who can hold through the Keys' historically low transaction velocity without financial strain.
- Investors or second-home buyers who have already underwritten Monroe County short-term rental regulations and understand the insurance cost structure.
- Buyers seeking a primary residence in Marathon who prioritize location and are prepared to evaluate each home's elevation, permitting history, and storm hardening individually.
Probably not for
- Buyers expecting mainland price-per-square-foot value — the median here reflects Keys scarcity, not interior finish quality.
- Anyone on a tight closing timeline who cannot absorb the extended due diligence that older Keys construction requires.
- Buyers uncomfortable with a low-volume market where resale comparables are sparse and pricing uncertainty runs in both directions.
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 ($625K) IS the median in the snapshot above, and the move from 2025 ($689K) IS the -9.3% one-year change.
Windows contain 4 to 13 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 N MARATHON SHORES buying strategy.
If we were buying in N MARATHON SHORES 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 N MARATHON SHORES.
Stock, Size, and the Keys Premium
The median home here was built in 1973, which in Keys terms means CBS (concrete block construction) designed for a different era of code and storm exposure. The median living area of 1,558 square feet is compact relative to price, a ratio that is entirely normal for coastal Monroe County but surprises buyers coming from mainland Florida markets. What buyers are purchasing is land, water access, and location — not square footage. Renovation and elevation status drive price spread within the community far more than lot size or bedroom count alone.
The homestead exemption rate of 53.1 percent means roughly half the community is owner-occupied primary residences; the remainder are investment or vacation properties. That split has practical implications: neighboring properties may operate as short-term rentals, turnover can be higher in non-homesteaded units, and HOA-style cohesion is limited. No community amenities were identified in current MLS listings, so buyers should not underwrite shared facilities into their purchase decision.
The location and the amenities are priced into every listing in N MARATHON SHORES. 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 N MARATHON SHORES 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 (3.4). Basis: Long-Term Appreciation +44% since 2012; Recent Direction -9.3% year-over-year; Owner Commitment 53% owner-occupied; Pricing Power 80.7% sale-to-list. Refreshed with each data update.
Why work with Momentum here
Keys transactions carry risks that standard Northeast Florida contracts do not — flood zone classifications, elevation certificate gaps, FEMA compliance on older structures, wind mitigation deficiencies, and Monroe County's unique permitting environment. Momentum brings transactional discipline to a market where thin volume and condition variability can catch unprepared buyers. We will read the elevation certificate before you fall in love with a listing, and we will tell you plainly when a price does not reflect the cost of bringing an older structure to current insurability standards.
N MARATHON SHORES 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 N MARATHON SHORES 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 N MARATHON SHORES sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in N MARATHON SHORES, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your N MARATHON SHORES home worth?
Get a no-obligation home value based on real comparable sales in N MARATHON SHORES, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.
See homes for sale in N MARATHON SHORES on the map →
Frequently Asked Questions
What is the median home price in N MARATHON SHORES?
How long do homes in N MARATHON SHORES take to sell?
How many homes are in N MARATHON SHORES?
What share of N MARATHON SHORES is owner-occupied?
When were the homes in N MARATHON SHORES built?
Do cash buyers compete in N MARATHON SHORES?
Have N MARATHON SHORES home prices gone up?
Who is the best real estate agent for N MARATHON SHORES?
How do I find a top Marathon real estate agent who knows N MARATHON SHORES?
Can Momentum Realty connect me with an agent for N MARATHON SHORES?
Should you buy in N MARATHON SHORES?
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 (12 streets, ZIP 33050)) |
| Historical depth | Closed-sale records back to 2007 (137 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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More Marathon & The Florida Keys & Monroe County guides
Compare before you commit - every guide covers pricing, HOA/CDD, insurance posture, and fit. Browse all of The Florida Keys & Monroe County or the full Neighborhood Finder.
