Sandcastle At Marco Beach
Homes for Sale in Marco Island, FL

Community in Marco Island · Collier County · ZIP 34145
Median sale $1M
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Live Market Pulse
69/100
Market Heat
Hotter than normal
2017 → 2026 · 88 at the 2021 peak
0 is Sandcastle At Marco Beach's coldest market since 2017, 100 its hottest. Today: 69. How it's scored
Built fromLive fgc data13 years of closingsUpdated twice daily
Live · Sandcastle At Marco Beach Housing Pulse fgc + public records Analysis by Momentum Realty · $3.5B+ sold · 8,500+ transactions · Top 1% in Florida (RealTrends)
Price
$1M
Median sold · 12 mo
up 4.7% vs the prior 12 months
+4.7%
1-yr price change
n = 7 and 5 sales in the two windows
$858/sf
Sold $/sqft · 12 mo
peak $858 in 2026
94.7%
Sale vs ask
Collier median: 91.3%
Tempo
14days
Median DOM · closed
3 days at the 2021 low
7
Sold · last 12 mo
10-yr average: about 7 a year
Ownership and context
57%
Cash buyers · Sandcastle At Marco Beach
4 of 7 sales, 12 mo ending July 2026
Track record · 13 years of records
1,318sqft
Median sold home size
12-mo windows, closed sales
Jon Brooks, founder of Momentum Realty
Jon's Current Read

At Sandcastle At Marco Beach, price is being set by square footage and condition more than anything else. A median price of $1,000,000 against a median price per square foot of $857.84 tells you this is a per-square-foot market first — buyers are pricing the unit, not the building name, and sellers who understand that are pricing accordingly.

A median of 14 days on market paired with a market heat score of 69 points to a market moving with real intent, not one sitting and waiting. Combined with year-over-year movement of 4.7%, the read is a market that has firmed up but is not sprinting — sellers can expect attention if priced to the per-square-foot reality, and buyers should expect to compete on well-positioned units rather than assume room to negotiate broadly.

Sandcastle At Marco Beach Housing Pulse · Momentum Research · as of July 29, 2026

Sandcastle At Marco Beach right now

🟡 Still climbing. The trailing-12-month median ($1M) is up 4.7% from the prior 12 months ($955K). With about 7 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 fgc closed sales, 12-month windows ending July 29. Confidence: Low (7 and 5 sales in the two windows).

Jump to: Price history & scorecard · Homes for sale · Schools · FAQ

Updated July 29, 2026 · Live data: fgc, refreshed twice daily · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness

The 60-Second Overview

Sandcastle At Marco Beach market snapshot (as of July 29, 2026): the median sale price is about $1M ($858 per sq ft over the trailing 12 months of closed sales), and a median 14 days on market for closed sales. The trailing-12-month median is up 5% from the prior 12 months, computed from record-level fgc closed sales (7 closings in the current window).

Sandcastle At Marco Beach sits within Marco Island's Collier County market, where pricing runs on a per-square-foot basis and current activity — a 14-day median and a 69 heat score — suggests a market with steady, active demand rather than one waiting on buyers to show up.

Best for

  • Buyers evaluating price primarily on a per-square-foot basis rather than shared amenities
  • Buyers prepared to move decisively in a market with a median 14-day turnaround
  • Sellers with a well-maintained unit who want to price tight to current per-square-foot comps

Probably not for

  • Buyers who want a building with an established amenities program as part of the purchase
  • Buyers expecting significant negotiating room in a market posting a 69 heat score
  • Sellers hoping to price well above recent per-square-foot activity and wait it out

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 fgc closed sales. Same methodology as every appreciation figure on this page: the 2026 point ($1M) IS the median in the snapshot above, and the move from 2025 ($955K) IS the +4.7% one-year change.

Windows contain 0 to 11 sales each (7 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.

Median sale price · trailing 12 mo
$600K$800K$1M2014201620182020202220242026
Up 4.7% year over year.
Every sale since 2013 · price vs size
$0$500K$1M$1.5M1k1k2k
86 closed sales; green = recent. Size sets the floor, condition and lot set the rest.
Sold $ per sq ft · trailing 12 mo
$400$600$8002014201620182020202220242026
Up from $478 in 2013 to a $858 peak in 2026; $858 now.
Median days on market · closed sales
0501001502014201620182020202220242026
3 days at the 2021 low; 14 now.
Sale price vs original ask · median
90%95%2014201620182020202220242026
94.7% now vs Collier 91.3%.
Homes sold per 12-mo window
05102014201620182020202220242026
0 to 11 a year; 7 in the current window.
Market Heat · 0 coldest, 100 hottest in the record
20406080seller-leaningbuyer-leaning20182020202220242026
88 at the 2021 peak, 20 in the troughs, 69 now. Same score as the hero card, full history.
How much local inventory is already under contract

25% of homes for sale in ZIP 34145 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).

If we were buying in Sandcastle At Marco 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 Sandcastle At Marco Beach.

Best Buy
Buyers and sellers focused on unit-level value rather than building amenities.
Biggest Risk
With no listed amenities, value is concentrated entirely in the unit and its condition.
Sweet Spot
Well-priced, move-in-ready units near the $857.84 per-square-foot median.
Avoid If
You are shopping for a building with a defined amenity package as part of the value case.

What the numbers actually say

The math here is straightforward: at a median of $1,000,000 and $857.84 per square foot, this is a market where unit size and condition do the heavy lifting on price, more than any amenity package or building feature. No community amenities are currently identified from active MLS listings, which means whatever draws a buyer to this address is the unit itself and its position relative to the water — not a shared pool deck or clubhouse line item.

A 14-day median days-on-market figure, inside a 7-day closings window snapshot, shows transactions moving briskly relative to a lot of coastal Florida condo product. The 4.7% year-over-year change is a moderate, not explosive, gain — this reads as a market correcting toward equilibrium rather than one in a speculative run. For a seller, that argues for pricing tight to recent per-square-foot comps rather than testing the market. For a buyer, it argues for having financing and decision-making ready before a unit is under contract.

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

Jon Brooks · Founder, Momentum Realty

Why work with Momentum here

In a market priced almost entirely on a per-square-foot basis with a 14-day median turnaround, the difference between a good outcome and a mediocre one is usually pricing precision and speed of response — both areas where a broker tracking the live comps day to day, rather than relying on a stale listing history, earns their fee.

Sandcastle At Marco Beach in 15 seconds.

Best forBuyers and sellers focused on unit-level value rather than building amenities.
Biggest advantageA brisk 14-day median days-on-market signals real buyer follow-through.
Biggest riskWith no listed amenities, value is concentrated entirely in the unit and its condition.
Sweet spotWell-priced, move-in-ready units near the $857.84 per-square-foot median.
Avoid ifYou are shopping for a building with a defined amenity package as part of the value case.

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 Sandcastle At Marco Beach sales matched to your home.

What is your Sandcastle At Marco Beach home worth?

Get a no-obligation home value based on real comparable sales in Sandcastle At Marco 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.

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Real comps, not an automated estimate.

Frequently Asked Questions

What is the median home price in Sandcastle At Marco Beach?
The median sale price in Sandcastle At Marco Beach was $1M over the 12 months ending July 29, 2026 (7 closed sales, fgc).
How long do homes in Sandcastle At Marco Beach take to sell?
Homes that closed in the 12 months ending July 29, 2026 took a median 14 days on market (7 sales, fgc).
Do cash buyers compete in Sandcastle At Marco Beach?
Cash buyers took 57% of Sandcastle At Marco Beach sales in the 12 months ending July 2026 (4 of 7 closings, fgc).
Who is the best real estate agent for Sandcastle At Marco Beach?
The best agent for Sandcastle At Marco Beach is one who actively works Marco Island 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 Sandcastle At Marco Beach.
How do I find a top Marco Island real estate agent who knows Sandcastle At Marco Beach?
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 Sandcastle At Marco Beach and the wider Marco Island area.
Can Momentum Realty connect me with an agent for Sandcastle At Marco Beach?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your Sandcastle At Marco Beach purchase or sale - no call center and no pressure.
Buyers evaluating price primarily on a per-square-foot basis rather than shared amenitiesExcellent fit
Buyers prepared to move decisively in a market with a median 14-day turnaroundExcellent fit
Sellers with a well-maintained unit who want to price tight to current per-square-foot compsExcellent fit
Buyers who want a building with an established amenities program as part of the purchaseProbably not
Buyers expecting significant negotiating room in a market posting a 69 heat scoreProbably not
Sellers hoping to price well above recent per-square-foot activity and wait it outProbably not

Data sources & freshness

Community market statsfgc closed sales, 12-month windows ending July 29, 2026
Under-contract sharesfgc records, as of 2026-07-18
Historical depthClosed-sale records back to 2013 (86 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 fgc 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?

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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 fgc member average and 8 days faster, and we’ll price yours against live your area comps.

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