Castaway Estates
Homes for Sale in Sanibel, FL
All 104 homes for sale in Sanibel, FL · median $749,000 · 199 homes for sale in 33957 · Lee County homes for sale
True comps, carrying-cost math, and listings before the portals.
Photo via Florida Gulf Coast MLS
As of September 2026, Castaway Estates in Sanibel, FL has 2 homes for sale. Over the 12 months ending 2026-09-20, 5 recorded sales closed at a median of $925,000, $433 per square foot, a median 191 days on market, sellers accepting 79% of original asking. At the median price and Lee County's FY2025-26 rate of 15.97 mills, annual property tax runs about $14,770 ($14,110 with the full homestead exemption).
| Location | Sanibel, Lee County, FL · ZIP 33957 |
|---|---|
| Homes in the community | 38 (FL DOR 2025 assessment roll) |
| Years built | 1964–2024 (median 1982.5) |
| Typical living area | 4,592 sq ft (median) |
| Sale prices, last 12 months | $925,000 median across 5 closed sales · $433 per sq ft |
| Days on market (closed sales) | 191 median |
| For sale right now | 2 active, 0 pending · median asking $1,465,000 |
| Owner-occupied (homestead) share | 46% |
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; housing-stock figures from Florida Department of Revenue public records. Market figures describe homes, not residents. Cite as: Momentum Realty, “Castaway Estates key facts,” movewithmomentum.com/neighborhoods/castaway-estates, data as of September 20, 2026.
Last 30 days in Castaway Estates: 1 new listing (median asking $1,135,000). 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.
The 60-Second Overview
Castaway Estates market snapshot (as of September 20, 2026): the median sale price is about $925K ($433 per sq ft over the trailing 12 months of closed sales), and a median 191 days on market for closed sales.
In ZIP 33957 (Sanibel), 323 homes closed in the last 12 months at a median of $780K ($522/sq ft), up 1.5% year over year, with a median 107 days on market. Right now 134 active and 16 pending listings — a soft market. See the live ZIP 33957 housing market and the Lee County market.
Castaway Estates is a community of 38 homes in Sanibel, Lee County, built between 1964 and 2024 (median 1982.5), with a median living area of about 4,592 square feet. 46% of parcels are homesteaded, the owner-occupancy proxy in the Florida DOR assessment roll (2025 roll, public records).
Price History: What Homes Here Have Actually Sold For
Median sale price over the trailing 12 months ending September 20 of each year, from record-level Florida Gulf Coast MLS closed sales. Same methodology as every appreciation figure on this page: the 2026 point ($925K) IS the median in the snapshot above.
Windows contain 1 to 6 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.
10% of homes for sale in ZIP 33957 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 (2026-09-23).
Castaway Estates Market Scorecard
Castaway Estates is currently a balanced market., a median asking price of $1,465,000, and homes go under contract in about 206 days.
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 Castaway Estates, Sanibel
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.
Homes For Sale Right Now in Castaway Estates
Live MLS inventory for Castaway Estates. 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 Castaway Estates 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 Castaway Estates Right Now (2)
All 2 active and pending Castaway Estates listings with a detail page, newest first, refreshed twice a day from the MLS.
- 5885 Pine Tree Dr · $1,135,000 · 3 bd / 2 ba · listed Sep 16, 2026 · listed by Phantom Real Estate
- 5810 Pine Tree Dr · $1,795,000 · 4 bd / 3 ba · listed Jun 27, 2026 · listed by John R. Wood Properties
The Castaway Estates buying strategy.
If we were buying in Castaway Estates 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 Castaway Estates.
A closer look at the Castaway Estates market
At a median of $433 per square foot, Castaway Estates 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 housing stock is 38 homes built between 1964 and 2024, and 46% 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 Castaway Estates. The deal is won or lost on condition, the comps, and the renovation math.
HOA, CDD & Fees
- HOA dues reported around $17/month · median of 16 MLS listings, most billed annually
- Any club/amenity membership is billed separately
Listings in this community report association dues of about $17 per month — the median AssociationFee across 16 MLS records, normalised to a monthly figure; most are billed annually. Dues change with budgets and can differ by section or product type; confirm the current figure with the association before you offer. Source: MLS listing records, 2026-09.
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 Castaway Estates 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 Castaway Estates sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in Castaway Estates, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your Castaway Estates home worth?
Get a no-obligation home value based on real comparable sales in Castaway Estates, 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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Frequently Asked Questions
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Where is Castaway Estates, and what county is it in?
Is Castaway Estates a good place to live?
Data sources & freshness
| Live listings | Florida Gulf Coast MLS, refreshed twice daily (last: September 26, 2026) |
| Community market stats | Florida Gulf Coast MLS closed sales, 12-month windows ending September 20, 2026 |
| Housing stock & ownership | Florida DOR assessment roll (street-list match (1 streets, ZIP 33957)) |
| Under-contract shares | Florida Gulf Coast MLS records, as of 2026-09-20 |
| Historical depth | Closed-sale records back to 2014 (40 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.
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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 Florida Gulf Coast MLS member average and 8 days faster, and we’ll price yours against live local comps.
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