Aerial view of Sunset Bay

Sunset Bay
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
32 homesBuilt 1938–2023
Free · No obligation
Talk to a Sunset Bay Expert

True comps, carrying-cost math, and listings before the portals.

Built fromLive Florida Keys MLS data7 years of closingsFL DOR public recordsUpdated twice daily

Nearby homes for sale

No active listings inside SUNSET BAY 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.

57473 Goodley Street
$629K · 0.1 mi away
3 bd · 2 ba
57473 Goodley Street
Listed by Coldwell Banker Schmitt Real Estate Co.
213 Parrish Drive
$499K · 0.1 mi away
3 bd · 1 ba
213 Parrish Drive
Listed by Berkshire Hathaway HomeServices Keys Real Estate
57477 MORTON Street
$1.60M · 0.1 mi away
2 bd · 2 ba
57477 MORTON Street
Listed by America's Best Realty Corp.
57457 Morton Street
$2.69M · 0.1 mi away
2 bd · 2 ba
57457 Morton Street
Listed by Berkshire Hathaway HomeServices Keys Real Estate
57733 Morton Street
$14.99M · 0.3 mi away
11 bd · 8.5 ba
57733 Morton Street
Listed by Coldwell Banker Schmitt Real Estate Co
57223 Morton Street
$35M · 0.3 mi away
9 bd · 9.5 ba
57223 Morton Street
Listed by Ocean Sotheby's International Realty

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

SUNSET BAY key facts
LocationMarathon, Monroe County, FL · ZIP 33050
Homes in the community32 (FL DOR 2025 assessment roll)
Years built1938–2023 (median 1987.5)
Typical living area1,147 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, “SUNSET BAY key facts,” movewithmomentum.com/neighborhoods/sunset-bay, data as of September 20, 2026.

Live · Sunset Bay 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 · Sunset Bay
17 of 34 parcels homesteaded (FL DOR 2025)
50%
Non-owner-occupied · Sunset Bay
incl. 3% trust or LLC-held · 6% out-of-state
32
Homes in the community
plus 2 vacant residential lots · 34 residential parcels (FL DOR 2025)
Track record · 7 years of records
4
Recorded sales · 2024-2025
median $565K · qualified sales on the county roll (FL DOR 2025)
Est. 1938
Community established
homes built 1938-2023, median 1988 (FL DOR 2025)
6.2%/yr
Turnover rate
about 2 of 32 homes trade a year

The market around Sunset Bay

Sunset Bay 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 Sunset Bay specifically. Momentum Research analysis of MLS records.

Housing distress & ownership in SUNSET BAY, 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 12 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 Sunset Bay 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 Sunset Bay.

A closer look at the Sunset Bay market

The housing stock is 32 homes built between 1938 and 2023, 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 Sunset Bay. 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 Sunset Bay 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 Sunset Bay.
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 Sunset Bay sales matched to your home.

What is your Sunset Bay home worth?

Get a no-obligation home value based on real comparable sales in Sunset Bay, 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 Sunset Bay?
The Florida DOR 2025 assessment roll shows 32 homes plus 2 vacant residential lots in Sunset Bay (public records).
What share of Sunset Bay is owner-occupied?
50% of Sunset Bay parcels carry a homestead exemption on the 2025 Florida DOR roll, the owner-occupancy proxy in public records.
When were the homes in Sunset Bay built?
Homes in Sunset Bay were built between 1938 and 2023, with a median year built of 1987.5 (FL DOR 2025 roll).
Who is the best real estate agent for Sunset Bay?
The best agent for Sunset Bay 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 Sunset Bay.
How do I find a top Marathon real estate agent who knows Sunset Bay?
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 Sunset Bay and the wider Marathon area.
Can Momentum Realty connect me with an agent for Sunset Bay?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your Sunset Bay purchase or sale - no call center and no pressure.
Where is Sunset Bay, and what county is it in?
Sunset Bay is in Marathon, Monroe County, FL, ZIP 33050. The community's center is about 8 miles east of the center of Marathon (straight-line).

Data sources & freshness

Housing stock & ownershipFlorida DOR assessment roll (street-list match (3 streets, ZIP 33050))
Under-contract sharesFlorida Keys MLS records, as of 2026-09-20
Historical depthClosed-sale records back to 2019 (17 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
CallFree valuation →

Nearby Communities

Explore more neighborhoods near Sunset Bay with Momentum Realty’s local guides.

Crains0.6 mi away · median $512K, 4 sales/12 moGrassy Key0.7 mi away · median $2.20M, 5 sales/12 moDorsett1.8 mi awayHarbour Island (Monroe)2.9 mi away · 35 homes, built 1973–21Plantation Island3.0 mi away · median $1.83M, 5 sales/12 moCoco Plum Villas (Monroe)3.1 mi awayRoyal Plum3.2 mi awayTreasure Cay (Monroe)3.2 mi away

Browse all neighborhood guides →

Thinking of selling in SUNSET BAY? 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.
Talk to a Local Sunset Bay Expert
Call Get Listings