SAN MARINO ISLAND
Homes for Sale in , FL
True comps, carrying-cost math, and listings before the portals.
Market Heat
SAN MARINO ISLAND right now
🟡 Still climbing. The trailing-12-month median ($11.30M) is up 1.7% from the prior 12 months ($11.12M) and up 201% since 2012. With about 5 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 miami closed sales, 12-month windows ending July 20. Confidence: Low (5 and 9 sales in the two windows).
What's unique here: the median sale price is about 20x the typical Miami-Dade County sale ($11.30M vs $558K, trailing 12 months, miami records).
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Updated July 20, 2026 · Live data: miami, refreshed twice daily · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness
The 60-Second Overview
SAN MARINO ISLAND market snapshot (as of July 20, 2026): the median sale price is about $11.30M ($3586 per sq ft over the trailing 12 months of closed sales), and a median 179 days on market for closed sales. The trailing-12-month median is up 2% from the prior 12 months and up 201% since 2012, computed from record-level miami closed sales (5 closings in the current window).
Price History: What Homes Here Have Actually Sold For
Median sale price over the trailing 12 months ending July 20 of each year, from record-level miami closed sales. Same methodology as every appreciation figure on this page: the 2026 point ($11.30M) IS the median in the snapshot above, and the move from 2025 ($11.12M) IS the +1.7% one-year change.
Windows contain 0 to 11 sales each (5 in the current window); every figure carries its sample size, and thin markets swing on single closings. Based on information from the Southeast Florida Multiple Listing Service (SEFMLS) or from MIAMI Association of REALTORS(R) for the period 2012 through 2026. Deemed reliable but not guaranteed.
0% of homes for sale in ZIP 33139 are already under contract (under contract ÷ under contract + active listings) — a read on how much of the available inventory buyers have already claimed. Source: MLS data (2026-07-18).
The SAN MARINO ISLAND buying strategy.
If we were buying in SAN MARINO ISLAND 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 SAN MARINO ISLAND.
A closer look at the SAN MARINO ISLAND market
At a median of $3586 per square foot, SAN MARINO ISLAND prices sit in a fairly defined band, so condition and updates — more than the list price — tend to separate one home from the next.
The trailing-12-month median up 2% year over year. Homes that do trade take a median 179 days on market, useful leverage on any listing that has lingered.
The location and the amenities are priced into every listing in SAN MARINO ISLAND. 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 SAN MARINO ISLAND 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 3 factors (5.5). Basis: Long-Term Appreciation +201% since 2012; Recent Direction +1.7% year-over-year; Pricing Power 83.2% sale-to-list. Refreshed with each data update.
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 SAN MARINO ISLAND 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 SAN MARINO ISLAND sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in SAN MARINO ISLAND, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your SAN MARINO ISLAND home worth?
Get a no-obligation home value based on real comparable sales in SAN MARINO ISLAND, 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 SAN MARINO ISLAND on the map →
Frequently Asked Questions
What is the median home price in SAN MARINO ISLAND?
How long do homes in SAN MARINO ISLAND take to sell?
Do cash buyers compete in SAN MARINO ISLAND?
Have SAN MARINO ISLAND home prices gone up?
Who is the best real estate agent for SAN MARINO ISLAND?
How do I find a top real estate agent who knows SAN MARINO ISLAND?
Can Momentum Realty connect me with an agent for SAN MARINO ISLAND?
Data sources & freshness
| Community market stats | miami closed sales, 12-month windows ending July 20, 2026 |
| Under-contract shares | miami records, as of 2026-07-18 |
| Historical depth | Closed-sale records back to 2012 (67 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 miami 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.
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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 miami member average and 8 days faster, and we’ll price yours against live your area comps.
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