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

All 247 homes for sale in Marco Island, FL · median $635,000 · 393 homes for sale in 34145 · Collier County homes for sale

Community in Marco Island · Collier County · ZIP 34145
Median sale $960K
Free · No obligation
Talk to a Sandcastle At Marco Beach Expert

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

Live Market Pulse
50/100
Market Heat
Near its long-run normal
2019 → 2026 · 83 at the 2021 peak
0 is Sandcastle At Marco Beach's coldest market since 2019, 100 its hottest. Today: 50. How it's scored

Photo via Florida Gulf Coast MLS

Built fromLive Florida Gulf Coast MLS data13 years of closingsUpdated twice daily

As of September 2026, Sandcastle At Marco Beach in Marco Island, FL has 4 homes for sale, asking from $709,900 to $885,000 (median $792,000). Over the 12 months ending 2026-09-20, 5 recorded sales closed at a median of $960,000, $759 per square foot, a median 35 days on market, sellers accepting 95% of original asking (+0% versus the prior year). Homes listed or recently sold were built 1982–1983; 3 of the 4 geocoded homes sit in a FEMA special flood hazard zone (median elevation 8 ft). At the median price and Collier County's FY2025-26 rate of 11.05 mills, annual property tax runs about $10,610 ($10,170 with the full homestead exemption).

Part of the Marco Beach master-planned community in Marco Island, FL — see all Marco Beach homes for sale (55 listings across 7 villages and sections in the MLS).

Sandcastle At Marco Beach key facts
LocationMarco Island, Collier County, FL · ZIP 34145
Sale prices, last 12 months$960,000 median across 5 closed sales · $759 per sq ft · +0.3% vs the prior 12 months
Days on market (closed sales)35 median
For sale right now4 active, 0 pending · median asking $792,000

Data as of September 20, 2026. 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. Market figures describe homes, not residents. Cite as: Momentum Realty, “Sandcastle At Marco Beach key facts,” movewithmomentum.com/neighborhoods/sandcastle-at-marco-beach, data as of September 20, 2026.

Last 30 days in Sandcastle At Marco Beach: 1 new listing (median asking $725,000). As of September 26, 2026, 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.

Live · Sandcastle At Marco Beach Housing Pulse Florida Gulf Coast MLS + public records Analysis by Momentum Realty · $3.5B+ sold · 10,000+ customers served · Top 1% in Florida (RealTrends)
Price
$960K ▲
Median sold · 12 mo
up 0.3% vs the prior 12 months
+0.3% ▲
1-yr price change
n = 5 and 8 sales in the two windows
$759/sf
Sold $/sqft · 12 mo
peak $856 in 2022
94.7%
Sale vs ask
Tempo
35days
Median DOM · closed
3 days at the 2021 low
0%
Under contract
Collier: 19% (1,017 of 5,466)
4 · 0
For sale · pending
live counts, refreshed twice daily
5
Sold · last 12 mo
10-yr average: about 7 a year
Track record · 13 years of records
1,318sqft
Median sold home size
12-mo windows, closed sales

Homes For Sale Right Now in Sandcastle At Marco Beach

Live MLS inventory for Sandcastle At Marco Beach. 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 Sandcastle At Marco Beach listings as of 2026-09-26, 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.

Every Home for Sale in Sandcastle At Marco Beach Right Now (4)

All 4 active and pending Sandcastle At Marco Beach listings with a detail page, newest first, refreshed twice a day from the MLS.

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 September 20, 2026

Sandcastle At Marco Beach right now

🟡 Still climbing. The trailing-12-month median ($960K) is up 0.3% from the prior 12 months ($958K). 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 Florida Gulf Coast MLS closed sales, 12-month windows ending September 20. Confidence: Low (5 and 8 sales in the two windows).

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

· Updated September 27, 2026 · Live data: Florida Gulf Coast MLS, 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 September 20, 2026): the median sale price is about $960K ($759 per sq ft over the trailing 12 months of closed sales), and a median 35 days on market for closed sales. The trailing-12-month median is up 0% from the prior 12 months, computed from record-level Florida Gulf Coast MLS closed sales (5 closings in the current window).

In ZIP 34145 (Marco Island), 934 homes closed in the last 12 months at a median of $1.38M ($679/sq ft), up 5.9% year over year, with a median 79 days on market. Right now 387 active and 74 pending listings — a buyer's market. See the live ZIP 34145 housing market and the Collier County market.

Florida Gulf Coast MLS sales records identify 5 homes in Sandcastle At Marco Beach that have changed hands, built between 1982 and 1983 (median 1982), with a median living area of about 962 sq ft and a typical 2-bedroom, 2-bath layout; 100% are condominiums. Source: Florida Gulf Coast MLS closed-sale history compiled by Momentum Research; counts reflect homes with a recorded MLS sale, not every home in the community.

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

Windows contain 1 to 10 sales each (5 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 0.3% year over year.
Every sale since 2013 · price vs size
$0$500K$1M$1.5M1k1k2k
87 closed sales; green = recent. Size sets the floor, condition and lot set the rest.
Sold $ per sq ft · trailing 12 mo
$600$8002014201620182020202220242026
Up from $493 in 2013 to a $856 peak in 2022; $759 now.
Median days on market · closed sales
01002014201620182020202220242026
3 days at the 2021 low; 35 now.
Sale price vs original ask · median
90%95%2014201620182020202220242026
94.7% now.
Homes sold per 12-mo window
05102014201620182020202220242026
1 to 10 a year; 5 in the current window.
Market Heat · 0 coldest, 100 hottest in the record
20406080seller-leaningbuyer-leaning2020202220242026
83 at the 2021 peak, 13 in the troughs, 50 now. Same score as the hero card, full history.
How much local inventory is already under contract

16% 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 (2026-09-21).

Sandcastle At Marco Beach Market Scorecard

Balanced

Sandcastle At Marco Beach is currently a balanced market., a median asking price of $792,000, and homes go under contract in about 83 days.

$792,000
Median list
$960,000
Median sold
$840
List $/sqft
83
Days on mkt
4/0/0
Active/Pend/Sold

Go deeper: ZIP market scorecard · county scorecard · true cost calculator · affordability calculator.

Live data: Florida Gulf Coast MLS, refreshed twice daily. Market metrics only; these describe homes for sale and recent sales, not residents.

Housing distress & ownership in Sandcastle At Marco Beach, Marco Island

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 15 listings
Distress share trend — 0.0% now (2026-08-12 → 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 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.

Listing locations from Florida Gulf Coast MLS. Map data © OpenStreetMap, tiles © CARTO.

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

A note on who we are: Momentum Realty is a real estate brokerage. We are not the Sandcastle At Marco Beach Condos for Sale in Marco Island, F 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 Sandcastle At Marco Beach Condos for Sale in Marco Island, F.
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 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.

See all homes for sale in Marco Island →

Real comps, not an automated estimate.

Recently off market in Sandcastle At Marco Beach

Homes in Sandcastle At Marco Beach that recently left the market. Each address opens its public-record profile: county-recorded value, property taxes, the last recorded sale, community sales history, and what is for sale nearby now. 2 on record.

Frequently Asked Questions

What is the median home price in Sandcastle At Marco Beach?
The median sale price in Sandcastle At Marco Beach was $960K over the 12 months ending September 20, 2026 (5 closed sales, Florida Gulf Coast MLS).
How long do homes in Sandcastle At Marco Beach take to sell?
Homes that closed in the 12 months ending September 20, 2026 took a median 35 days on market (5 sales, Florida Gulf Coast MLS).
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 320+ 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.
Where is Sandcastle At Marco Beach, and what county is it in?
Sandcastle At Marco Beach is in Marco Island, Collier County, FL, ZIP 34145. The community's center is about 9 miles southwest of the center of Marco Island (straight-line).
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

Live listingsFlorida Gulf Coast MLS, refreshed twice daily (last: September 26, 2026)
Community market statsFlorida Gulf Coast MLS closed sales, 12-month windows ending September 20, 2026
Under-contract sharesFlorida Gulf Coast MLS records, as of 2026-09-20
Historical depthClosed-sale records back to 2013 (87 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 Gulf Coast 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 Gulf Coast 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 Sandcastle At Marco Beach with Momentum Realty’s local guides.

Somerset Of0.1 mi away · median $1.92M, 3 sales/12 moMarbelle Club Of0.2 mi away · median $1.50M, 3 sales/12 moSandpiper At Marco Beach0.3 mi awayEssex Of0.3 mi away · median $575K, 3 sales/12 moSea Winds Of Marco0.3 mi awayChalet Of San Marco0.4 mi away · 3 for saleApollo0.4 mi away · median $780K, 4 sales/12 moSea View Club0.4 mi away · 2 for sale

Browse all neighborhood guides →

Thinking of selling in Sandcastle At Marco Beach? 5 recorded closings; median 35 days on market (window ending 2026-09-20). See the Collier 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 Sandcastle At Marco Beach Expert
Call Get Listings