N MARATHON SHORES
Homes for Sale in Marathon, FL

Community in Marathon · Monroe County · ZIP 33050
262 homesBuilt 1951–2024Median sale $625K
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Live Market Pulse
30/100
Market Heat
Cooler than normal
2013 → 2026 · 83 at the 2021 peak
0 is N MARATHON SHORES's coldest market since 2013, 100 its hottest. Today: 30. How it's scored
Built fromLive floridakeys data19 years of closingsFL DOR public recordsUpdated twice daily
Live · N MARATHON SHORES Housing Pulse floridakeys + public records Analysis by Momentum Realty · $3.5B+ sold · 8,500+ transactions · Top 1% in Florida (RealTrends)
Price
$625K
Median sold · 12 mo
down 9.3% vs the prior 12 months
-9.3%
1-yr price change
n = 5 and 9 sales in the two windows
80.7%
Sale vs ask
Monroe median: 91.8%
+44%
T12M median vs 2012
from a $435K median in 2012
Tempo
49days
Median DOM · closed
9 days at the 2017 low
5
Sold · last 12 mo
10-yr average: about 8 a year
Ownership and context
53%
Owner-occupied · N MARATHON SHORES
146 of 275 parcels homesteaded (FL DOR 2025)
47%
Non-owner-occupied · N MARATHON SHORES
incl. 17% trust or LLC-held · 14% out-of-state
0%
Cash buyers · N MARATHON SHORES
0 of 5 sales, 12 mo ending July 2026
262
Homes in the community
plus 13 vacant residential lots · 275 residential parcels (FL DOR 2025)
Track record · 19 years of records
Est. 1951
Community established
homes built 1951-2024, median 1973 (FL DOR 2025)
1.9%/yr
Turnover rate
about 5 of 262 homes trade a year
Jon Brooks, founder of Momentum Realty
Jon's Current Read

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 Housing Pulse · Momentum Research · as of July 27, 2026

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.

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.

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.

Median sale price · trailing 12 mo
$200K$400K$600K$800K20122014201620182020202220242026
Down 9.3% year over year; up 44% since 2012.
Median days on market · closed sales
05010020122014201620182020202220242026
9 days at the 2017 low; 49 now.
Sale price vs original ask · median
80%90%100%20122014201620182020202220242026
80.7% now vs Monroe 91.8%.
Homes sold per 12-mo window
051020122014201620182020202220242026
4 to 13 a year; 5 in the current window.
Indexed since 2012 · N MARATHON SHORES vs Monroe
100200300Monroe +191%N MARATHON SHORES +44%20122014201620182020202220242026
Same floridakeys record, indexed to 100 at 2012.
Market Heat · 0 coldest, 100 hottest in the record
20406080seller-leaningbuyer-leaning2014201620182020202220242026
83 at the 2021 peak, 25 in the troughs, 30 now. Same score as the hero card, full history.

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.

$5,590/mo
Monroe County typical true cost to own
$365/mo
Monroe County typical home insurance
Check CDD
Confirm before you offer

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.

If we were buying in N MARATHON SHORES today, this is the order of operations we would run for our clients.

1

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.

2

Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.

3

Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.

4

Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.

5

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.

Best Buy
Buyers targeting a Keys foothold with a realistic view of older construction and insurance costs.
Biggest Risk
Thin volume means comparables are scarce and a single distressed sale can distort value benchmarks sharply.
Sweet Spot
A buyer patient enough to wait for the right condition tier and willing to budget seriously for flood and wind coverage.
Avoid If
You need a move-in-ready home with no appetite for insurance complexity or the ongoing maintenance demands of mid-century Keys construction.

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.

Jon Brooks · Founder, Momentum Realty
3.4D · Buy Score
Long-Term Appreciation4.8/10
Recent Direction3.7/10
Owner Commitment5.3/10
Pricing Power0.0/10

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.

Best forBuyers targeting a Keys foothold with a realistic view of older construction and insurance costs.
Biggest advantageBuyer leverage is measurable right now — longer days on market and a declining median give negotiating room not seen in recent cycles.
Biggest riskThin volume means comparables are scarce and a single distressed sale can distort value benchmarks sharply.
Sweet spotA buyer patient enough to wait for the right condition tier and willing to budget seriously for flood and wind coverage.
Avoid ifYou need a move-in-ready home with no appetite for insurance complexity or the ongoing maintenance demands of mid-century Keys construction.

HOA, CDD & Fees

In short
  • 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.

The takeaway

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.

What is your N MARATHON SHORES home worth?

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Real comps, not an automated estimate.

Frequently Asked Questions

What is the median home price in N MARATHON SHORES?
The median sale price in N MARATHON SHORES was $625K over the 12 months ending July 27, 2026 (5 closed sales, floridakeys).
How long do homes in N MARATHON SHORES take to sell?
Homes that closed in the 12 months ending July 27, 2026 took a median 49 days on market (5 sales, floridakeys).
How many homes are in N MARATHON SHORES?
The Florida DOR 2025 assessment roll shows 262 homes plus 13 vacant residential lots in N MARATHON SHORES (public records).
What share of N MARATHON SHORES is owner-occupied?
53% of N MARATHON SHORES parcels carry a homestead exemption on the 2025 Florida DOR roll, the owner-occupancy proxy in public records.
When were the homes in N MARATHON SHORES built?
Homes in N MARATHON SHORES were built between 1951 and 2024, with a median year built of 1973.0 (FL DOR 2025 roll).
Do cash buyers compete in N MARATHON SHORES?
Cash buyers took 0% of N MARATHON SHORES sales in the 12 months ending July 2026 (0 of 5 closings, floridakeys).
Have N MARATHON SHORES home prices gone up?
The trailing-12-month median is up 44% since 2012, from $435K to $625K (floridakeys closed records).
Who is the best real estate agent for N MARATHON SHORES?
The best agent for N MARATHON SHORES is one who actively works Marathon and knows the community's pricing, fees, and current inventory. Tell us what you're looking for in the form on this page and Momentum Realty will match you with a local specialist for N MARATHON SHORES.
How do I find a top Marathon real estate agent who knows N MARATHON SHORES?
Share a few details in the form on this page. Momentum Realty has 280+ agents and more than $3.5B in closed sales, and we'll connect you with one who knows N MARATHON SHORES and the wider Marathon area.
Can Momentum Realty connect me with an agent for N MARATHON SHORES?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your N MARATHON SHORES purchase or sale - no call center and no pressure.
Buyers with a flexible timeline who can hold through the Keys' historically low transaction velocity without financial strain.Excellent fit
Investors or second-home buyers who have already underwritten Monroe County short-term rental regulations and understand the insurance cost structure.Excellent fit
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.Excellent fit
Buyers expecting mainland price-per-square-foot value — the median here reflects Keys scarcity, not interior finish quality.Probably not
Anyone on a tight closing timeline who cannot absorb the extended due diligence that older Keys construction requires.Probably not
Buyers uncomfortable with a low-volume market where resale comparables are sparse and pricing uncertainty runs in both directions.Probably not

Data sources & freshness

Community market statsfloridakeys closed sales, 12-month windows ending July 27, 2026
Housing stock & ownershipFlorida DOR 2025 assessment roll (street-list match (12 streets, ZIP 33050))
Historical depthClosed-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.

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