Aerial view of Marathon Beach

Marathon Beach
Homes for Sale in Marathon, FL

All 178 homes for sale in Marathon, FL · median $1,225,000 · 183 homes for sale in 33050 · Monroe County homes for sale

Community in Marathon · Monroe County · ZIP 33050
19 homesBuilt 1938–2017
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Built fromLive Florida Keys MLS data19 years of closingsFL DOR public recordsUpdated twice daily

Nearby homes for sale

No active listings inside MARATHON BEACH right now. These are the 6 closest homes on the market, by straight-line distance from the community's center; some may sit just outside its boundary.

245 41st Street
$375K · 0.1 mi away
2 bd · 1 ba
245 41st Street
Listed by LPT Realty, LLC
813 39Th St Gulf Street
$3.79M · 0.1 mi away
5 bd · 4 ba
813 39Th St Gulf Street
Listed by Re/Max Alliance Group
990 41st Street Gulf #10
$3.48M · 0.2 mi away
5 bd · 5.5 ba
990 41st Street Gulf #10
Listed by Blue Water Real Estate LLC
990 41st Street Gulf #9
$3.48M · 0.2 mi away
5 bd · 5.5 ba
990 41st Street Gulf #9
Listed by Blue Water Real Estate LLC
307 Sombrero Boulevard #2
$699K · 0.6 mi away
2 bd · 1.5 ba
307 Sombrero Boulevard #2
Listed by Florida Keys Real Estate Group
4800 Overseas Highway #54
$6.50M · 0.6 mi away
4 bd · 3.5 ba
4800 Overseas Highway #54
Listed by Engel & Völkers Marathon

Listing data from the MLS feeds named on each listing page; deemed reliable but not guaranteed. Refreshed nightly.

MARATHON BEACH key facts
LocationMarathon, Monroe County, FL · ZIP 33050
Homes in the community19 (FL DOR 2025 assessment roll)
Years built1938–2017 (median 1948)
Typical living area960 sq ft (median)
Owner-occupied (homestead) share50%

Data as of September 20, 2026. Listing data provided by Florida Keys MLS, Inc. Information is deemed reliable but is not guaranteed by the MLS to be accurate; housing-stock figures from Florida Department of Revenue public records. Market figures describe homes, not residents. Cite as: Momentum Realty, “MARATHON BEACH key facts,” movewithmomentum.com/neighborhoods/marathon-beach, data as of September 20, 2026.

Live · Marathon Beach Housing Pulse Florida Keys MLS + public records Analysis by Momentum Realty · $3.5B+ sold · 10,000+ customers served · Top 1% in Florida (RealTrends)
Tempo
2
Sold · last 12 mo
10-yr average: about 2 a year
Ownership and context
50%
Owner-occupied · Marathon Beach
10 of 20 parcels homesteaded (FL DOR 2025)
50%
Non-owner-occupied · Marathon Beach
incl. 20% trust or LLC-held · 10% out-of-state
19
Homes in the community
plus 1 vacant residential lots · 20 residential parcels (FL DOR 2025)
Track record · 19 years of records
Est. 1938
Community established
homes built 1938-2017, median 1948 (FL DOR 2025)
10.5%/yr
Turnover rate
about 2 of 19 homes trade a year

The market around Marathon Beach

Marathon Beach is too small for its own price trend, so here is the market around it.

In ZIP 33050, 266 homes are on the market and 14% are under contract — a slower corner of Marathon.

Across Monroe County, 1,268 homes are active and 244 pending (16% under contract).

ZIP and county figures describe the wider market, not Marathon Beach specifically. Momentum Research analysis of MLS records.

Housing distress & ownership in MARATHON BEACH, Marathon

Who owns here, how much is not owner-occupied, and how much for-sale inventory is under distress.

Active inventory in distress
0.0%
0 of 4 listings
Distress share trend — 0.0% now (2026-09-14 → 2026-09-19)

Source: Momentum Realty Research. Ownership & parcels from the FL DOR 2025 tax roll; distress from MLS active-listing status/remarks; price from MLS closed sales. 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.

If we were buying in Marathon Beach 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 Marathon Beach.

A closer look at the Marathon Beach market

The housing stock is 19 homes built between 1938 and 2017, and 50% of parcels are homesteaded — the owner-occupancy proxy in the Florida DOR assessment roll.

The location and the amenities are priced into every listing in Marathon Beach. The deal is won or lost on condition, the comps, and the renovation math.

Jon Brooks · Founder, Momentum Realty

HOA, CDD & Fees

A note on who we are: Momentum Realty is a real estate brokerage. We are not the Marathon Beach homeowners association, its management company or its developer, and we cannot help with dues, gate access, violations, amenity bookings or association documents. To reach the association, check your closing package, the recorded declaration at the county clerk, or search the association’s name at sunbiz.org for its registered agent. Call or message us to buy or sell a home in Marathon Beach.
In short
  • HOA status not on record. Verify any dues before you offer
  • 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 Marathon Beach sales matched to your home.

What is your Marathon Beach home worth?

Get a no-obligation home value based on real comparable sales in Marathon Beach, 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 all homes for sale in Marathon →

Real comps, not an automated estimate.

Frequently Asked Questions

How many homes are in Marathon Beach?
The Florida DOR 2025 assessment roll shows 19 homes plus 1 vacant residential lots in Marathon Beach (public records).
What share of Marathon Beach is owner-occupied?
50% of Marathon Beach parcels carry a homestead exemption on the 2025 Florida DOR roll, the owner-occupancy proxy in public records.
When were the homes in Marathon Beach built?
Homes in Marathon Beach were built between 1938 and 2017, with a median year built of 1948 (FL DOR 2025 roll).
Who is the best real estate agent for Marathon Beach?
The best agent for Marathon Beach 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 Marathon Beach.
How do I find a top Marathon real estate agent who knows Marathon Beach?
Share a few details in the form on this page. Momentum Realty has 320+ agents and more than $3.5B in closed sales, and we'll connect you with one who knows Marathon Beach and the wider Marathon area.
Can Momentum Realty connect me with an agent for Marathon Beach?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your Marathon Beach purchase or sale - no call center and no pressure.
Where is Marathon Beach, and what county is it in?
Marathon Beach is in Marathon, Monroe County, FL, ZIP 33050.

Data sources & freshness

Housing stock & ownershipFlorida DOR assessment roll (street-list match (1 streets, ZIP 33050))
Under-contract sharesFlorida Keys MLS records, as of 2026-09-20
Historical depthClosed-sale records back to 2007 (28 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 Florida Keys MLS 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 Florida Keys MLS member average and 8 days faster, and we’ll price yours against live local comps.

Looking to buy here? Search homes for sale →

What’s your home worth in your area?

A real valuation with real comps from a local listing agent, not an instant algorithm. Response within one business day.

By submitting, you agree that EAB RE INVESTMENTS LLC (Momentum Realty) and its agents may call, email, and text you about your inquiry, which may involve automated means and prerecorded or artificial voices. You do not need to consent as a condition of buying any property, goods, or services. To opt out, reply STOP at any time or reply HELP for assistance. You can also click the unsubscribe link in emails. Message and data rates may apply. Message frequency may vary. See our Privacy Policy and SMS Terms.or call (904) 351-6461
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Nearby Communities

Explore more neighborhoods near Marathon Beach with Momentum Realty’s local guides.

Tipton S0.4 mi awayThompson Adams0.5 mi awayKey Harbor0.5 mi away · median $350K, 6 sales/12 moSombrero Ridge Two0.5 mi awayMarameade0.6 mi awayVaca Village0.6 mi awaySpanish Galleon0.6 mi awayMarathon Country C W0.6 mi away

Browse all neighborhood guides →

Thinking of selling in MARATHON BEACH? 2 recorded closings (window ending 2026-09-20). See the Monroe County sell-now-or-wait data, what made 201,552 Florida listings fail in the last 12 months, or compare a cash offer vs. listing. Compiled from MLS records; deemed reliable but not guaranteed.
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