South Seas
Homes for Sale in Marco Island, FL
True comps, carrying-cost math, and listings before the portals.
Market Heat
Photo via Flagler County MLS
As of September 2026, South Seas in Marco Island, FL has 15 homes for sale, asking from $529,000 to $799,900 (median $669,000). Over the 12 months ending 2026-07-29, 27 recorded sales closed at a median of $605,000, $593 per square foot, a median 95 days on market, sellers accepting 92% of original asking (+1% versus the prior year). Homes listed or recently sold were built 1979–1982; 15 of the 15 geocoded homes sit in a FEMA special flood hazard zone (median elevation 7 ft). At the median price and Collier County's FY2025-26 rate of 11.05 mills, annual property tax runs about $6,690 ($6,250 with the full homestead exemption).
Homes For Sale Right Now in South Seas
Live MLS inventory for South Seas. Every active listing, what is under contract right now, and the last 12 months of closed sales, refreshed twice a day. Closed comps beat an algorithm's guess every time.
Active and pending South Seas listings as of 2026-09-06, priced high to low. Listing information provided by the Florida Gulf Coast Multiple Listing Service, Inc. Information is deemed reliable but not guaranteed by the MLS to be accurate. Tap any home to ask about it.
South Seas prices on a per-square-foot basis close to $593, which puts the weight of value on the unit or lot itself rather than on shared amenities — MLS records don't surface a defined amenity package here, so whatever draws a buyer in is likely the structure, the view, or the location on Marco Island itself. At a $605,000 median, this is a market where condition and position within the property do more to set price than any community feature list.
A median of 95 days on market and a market heat score of 40 describe a community that is not moving fast. Combined with year-over-year price movement of under one percent, this reads as a flat, patient market. Sellers should price to the comp, not to hope, and buyers have room to negotiate on terms and timeline rather than racing to compete.
South Seas right now
🟡 Still climbing. The trailing-12-month median ($605K) is up 0.8% from the prior 12 months ($600K).Momentum Research, record-level Flagler County MLS closed sales, 12-month windows ending July 29. Confidence: High (27 and 31 sales in the two windows).
Jump to: Price history & scorecard · Homes for sale · Schools · FAQ
Updated July 29, 2026 · Live data: Flagler County MLS, refreshed twice daily · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness
The 60-Second Overview
South Seas market snapshot (as of July 29, 2026): the median sale price is about $605K ($593 per sq ft over the trailing 12 months of closed sales), and a median 95 days on market for closed sales. The trailing-12-month median is up 1% from the prior 12 months, computed from record-level Flagler County MLS closed sales (27 closings in the current window).
South Seas sits on Marco Island in Collier County, with pricing driven mainly by the individual property rather than by a shared amenity set, since none is identified in current MLS listings.
The setting & the homes.
Aerial and on-site photos of South Seas. Swipe to explore the community.
Swipe or use the arrows → tap any photo to enlarge
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South SeasPhotos from Flagler County MLS listings in South Seas; content deemed reliable but not guaranteed.
Who South Seas is best for.
Best for
- A buyer prioritizing the home or lot itself over a shared amenity package
- A buyer comfortable negotiating in a market that is not moving fast
- A seller with a well-priced, well-maintained property willing to let it find its buyer over time
Probably not for
- A buyer who wants a defined resort-style or clubhouse amenity set as part of the purchase
- A seller expecting a quick sale timeline given the current median days on market
- A buyer expecting rapid year-over-year appreciation based on recent pricing trends
Price History: What Homes Here Have Actually Sold For
Median sale price over the trailing 12 months ending July 29 of each year, from record-level Flagler County MLS closed sales. Same methodology as every appreciation figure on this page: the 2026 point ($605K) IS the median in the snapshot above, and the move from 2025 ($600K) IS the +0.8% one-year change.
Windows contain 0 to 93 sales each (27 in the current window); every figure carries its sample size, and thin markets swing on single closings. Listing information provided by the Florida Gulf Coast Multiple Listing Service, Inc. Information is deemed reliable but 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 Collier 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 · Collier 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.
South Seas Market Scorecard
South Seas is currently a thin data market. Limited supply, a median asking price of $669,000, and homes go under contract in about 134 days.
Typical home value in the 34145 ZIP is $852,380, about 64.1% above the Florida norm (Zillow Home Value Index).
Go deeper: ZIP market scorecard · county scorecard · true cost calculator · affordability calculator.
Live data: realMLS, refreshed twice daily. Typical value: Zillow Research. Market metrics only; these describe homes for sale and recent sales, not residents.
Housing distress & ownership in South Seas, Marco Island
Who owns here, how much is not owner-occupied, and how much for-sale inventory is under distress.
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 information provided by the Florida Gulf Coast Multiple Listing Service, Inc. Information is deemed reliable but not guaranteed by the MLS to be accurate. Deemed reliable but not guaranteed.
South Seas on the map.
Every active, pending, and recently sold home, plotted. Toggle the layers and tap a home for the details.
Listing locations from Flagler County MLS. Map data © OpenStreetMap, tiles © CARTO.
The South Seas buying strategy.
If we were buying in South Seas 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 South Seas.
A market that rewards patience, not urgency
With 27 closings in the current window and a median of 95 days on market, South Seas is not a community where listings get bid up quickly. That pace gives buyers time to evaluate a property on its own terms — condition, layout, exposure — instead of competing against a stack of other offers.
The near-flat year-over-year change (0.8%) suggests pricing has settled into a narrow band recently rather than trending sharply in either direction. For sellers, that means the market will not bail out an overpriced listing; for buyers, it means the median price of $605,000 is a reasonably stable anchor to negotiate from rather than a number in motion.
The location and the amenities are priced into every listing in South Seas. The deal is won or lost on condition, the comps, and the renovation math.
Why work with Momentum here
In a slower-moving market like South Seas, the value of representation shows up in negotiation and pricing discipline rather than in speed. We pull the actual comparable closings, not headline averages, so a listing gets priced to what is trading — and an offer gets structured around real leverage from that 95-day median rather than guesswork.
South Seas in 15 seconds.
HOA, CDD & Fees
- 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.
Tools for a South Seas 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 South Seas sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in South Seas, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your South Seas home worth?
Get a no-obligation home value based on real comparable sales in South Seas, 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 South Seas on the map →
Frequently Asked Questions
What is the median home price in South Seas?
How long do homes in South Seas take to sell?
Do cash buyers compete in South Seas?
Who is the best real estate agent for South Seas?
How do I find a top Marco Island real estate agent who knows South Seas?
Can Momentum Realty connect me with an agent for South Seas?
Should you buy in South Seas?
An honest fit check. We will tell you when it is not your community.
Nearby Communities
Explore more neighborhoods near South Seas with Momentum Realty’s local guides.
Data sources & freshness
| Community market stats | Flagler County MLS closed sales, 12-month windows ending July 29, 2026 |
| Under-contract shares | Flagler County MLS records, as of 2026-07-18 |
| Historical depth | Closed-sale records back to 2013 (432 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 Flagler County 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 Flagler County MLS member average and 8 days faster, and we’ll price yours against live local comps.
Looking to buy here? Search homes for sale →
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See how South Seas fits the bigger picture — live prices, inventory, and Momentum Scores: