Did the Tropic Isle Median Really Jump on a Handful of Sales? Reading the Record Price and the Long Wait

What does a 60 percent jump on fifteen sales mean?

A median is the middle price, and with 15 sales it is the eighth. If one more sale at $10 million replaces a sale at $2 million, the eighth sale moves up by one place, and the median moves to the next price in the ranking. When the prices are as spread out as they are here, a shift of one or two places moves the median by hundreds of thousands of dollars. The page itself shows the range: since 2024, the lowest recorded sale on the island is $675,000 and the highest is $15,000,000.

The page's own history shows how the median wanders. It was $1,557,500 in 2021 on 28 sales, $3,100,000 in 2022 on 19, $2,000,500 in 2023 on 11, $2,337,500 in 2024 on 10, $2,649,500 in 2025 on 10 and $4,250,000 in the latest twelve months on 15. The 2022 figure is higher than 2023 and 2024, and the price per square foot over the same years, $864, $849 and $838, barely moved. The median rose in 2022 and fell in 2023 while the price per square foot held nearly flat, which says the mix of houses changed.

The price per square foot is a better guide, and even it moved: $870 in 2025 and $1,102 in the latest window, a rise of 26.7%. That is a large move, though less than 60%, and it is on 15 sales. The page lists three size groups, and the largest homes, 4,452 to 7,512 square feet, had a median sold price of $5,000,000. A year with more of those pushes the overall median up whether or not any house gained value.

For an owner, then, the figure of 60% should not be read as appreciation. It is a record of a different set of sales. A seller whose house resembles the larger homes may find the new median a fair guide. A seller of a smaller house, in the group where the median sold price is $2,200,000, should not.

Source: Momentum Realty, Tropic Isle recorded-closings page. Brokerage content built from MLS closings; not independently verified.

Why is the median ask 81 percent above the median sale?

The page reports current asking prices at a median of $7,695,000 against a sold median of $4,250,000. The two cover different sets of houses: the ask describes the houses on the market today, and the sale describes houses that closed over a year. A house that is listed at $15 million is not going to close at $4 million, and it is also not going to close soon. The asking median is therefore a description of inventory, and inventory skews toward the expensive end, because expensive houses wait longer and so are on the list at any given moment.

The page gives a second view of the same gap in the ratio of sale price to original ask. In the latest window, sellers accepted a median of 90.3% of the original asking price, and in each of the last seven years it ranged from 87.6% to 96.8%. A house that sells at 90% of its first price lost about a tenth of the ask to the market. On $7,695,000 that would be about $770,000, though the page does not say that any such house exists, and this is only an illustration of the arithmetic.

The clock goes with the gap. The median time to sell was 123 days in the latest window, against 50 in 2025, 60 in 2024, 14 in 2023 and 25 in 2022. A market where the median wait went from 14 days to 123 over three years is a market in which buyers have regained time to decide.

The page also says that 33% of Tropic Isle listings were under contract, against 24% for Palm Beach County. A larger share under contract than the county suggests that deals are being made, though over a long clock. Together, 1.6 months of supply, 123 days and 33% under contract describe a thin market where the houses that sell take a while to find a buyer and the rest wait.

It is worth adding what a thin sample does to a seller's expectations about timing. Ten to thirty-one closings a year across the island, with a ten-year average of 15.8, means about one sale a month, and a house priced in the upper bands may compete with only a few similar houses for a few buyers. That is the reason a single long listing can look like a failure when it is only the normal pace of the island. A seller who understands that can plan around a long clock, or decide that a long clock is not worth it.

Source: Momentum Realty, Tropic Isle. The $770,000 figure is this brief's arithmetic (10% of $7,695,000) and not a recorded sale.

What do the size groups say about which house is yours?

The recorded-closings page splits its sales into three equal groups by living area, and the split is the most useful part of it. The smaller homes, from 1,574 to 2,752 square feet, had a median sold price of $2,200,000 at $1,019 per square foot, with prices from $675,000 to $2,730,000. The mid-size homes, from 2,873 to 4,266 square feet, had a median of $3,000,000 at $879 per square foot, with prices from $1,112,500 to $13,100,000. The larger homes, from 4,452 to 7,512 square feet, had a median of $5,000,000 at $972 per square foot, with prices from $3,550,000 to $15,000,000. Each group has 11 sales.

The mid-size range stands out. A mid-size house sold for as little as $1,112,500 and as much as $13,100,000, a ratio of nearly twelve to one among houses of broadly similar size. Size does not explain that spread. Location on the island, water frontage, the width of the canal, the state of the seawall, whether the house is new, the lot and the views do. A seller who reads only the median for the size group will miss most of what decides the price.

The page also gives price bands for the 33 closings since 2024. Four sold below $1,600,000 (12%), 14 between $1,600,000 and $3,400,000 (42%), eight between $3,400,000 and $5,200,000 (24%), three between $5,200,000 and $7,000,000 (9%) and four above $7,000,000 (12%). The middle half of those sales landed between $2,300,000 and $5,000,000. A house priced above $7,000,000 is in a group of four recent sales, which is not a market so much as a handful of events.

For a seller, the best use of these tables is to find the row that matches the house and then ask what is different about it. A house in the smaller group with a new seawall and a wide-water view may behave like a mid-size house. A mid-size house on a narrow canal with an old seawall may behave like a smaller one. The page says its price-per-square-foot figures are a starting range and not a valuation of any particular property, and that is the right way to read them.

The size table also corrects a common impression. Smaller homes sold at a higher price per square foot ($1,019) than larger ones ($972), which the page calls the usual pattern, since the lot, kitchen and baths do not scale with floor area. An owner of a smaller house on the island should not assume that a per-square-foot figure from a larger sale applies.

Source: Momentum Realty, Tropic Isle recorded-closings page. Brokerage content built from MLS closings; not independently verified.

What does a flood zone and a tax bill do to the buyer's math?

The page says that of 15 geocoded homes listed or recently sold, 14 sit inside a FEMA special flood hazard zone, the A and V zones, which lenders price into insurance, with a median elevation of 7 feet. It says the homes in the live feed were built between 1958 and 2026, with a median year of 2008 and five of them new construction. These are the page's statements about a very small sample, and it does not give insurance costs.

What a flood zone means for a buyer is that a lender may require flood insurance and that the insurance price, whatever it is, is a recurring cost that adds to the price. A buyer comparing a house on the island to one inland or on higher ground will add that cost to the comparison. A seller cannot quote a number from these sources. A seller can, though, expect that a buyer will ask for the flood zone, the elevation certificate and any claims history, and can gather those in advance.

The page also computes a tax figure. At a $4,250,000 assessed value and the county's adopted rate of 18.72 mills, it says a home carries about $79,560 a year in tax before exemptions, or about $78,780 with the full homestead exemption. It adds that a long-time owner's Save Our Homes cap can be far lower, which is one reason resale taxes jump at closing. That is a buyer's first-year figure, and it is arithmetic: $4,250,000 times 0.01872 is $79,560.

For a seller, the point is that buyers see these costs. A buyer of a $4 million house on the water will weigh a tax bill near $80,000 and an insurance premium on top of a mortgage, and that buyer will compare it with other places. It is part of why the clock is long. A private buyer who purchases as is will also weigh them, but the seller is spared the inspections and repairs that often follow an elevation or wind-mitigation review.

The page does not report the cost of flood insurance, seawall repair or dock maintenance, and this brief does not estimate them. They are items a buyer prices in and a seller should expect to be asked about.

Source: Momentum Realty, Tropic Isle. Flood zone, elevation and tax figures are the page's; not independently verified. Insurance costs are not given in any source used here.

How old is the housing stock around the island?

The Census profile covers the postal area that includes Tropic Isle and the wider part of Delray Beach east of the Intracoastal, so it describes the area and not the island. It counts 12,669 people and 9,468 homes, of which 6,608 are occupied and 2,860 (30.2%) are not. Owners live in 4,610 (69.8%) and renters in 1,998 (30.2%).

By age, 2,163 homes were built in the 1970s (22.8%), 1,588 in the 1980s (16.8%), 1,289 in the 2000s (13.6%), 1,186 in the 1960s (12.5%), 1,118 in the 2010s (11.8%) and 927 in the 1950s (9.8%). Half the stock, 4,737 homes, was built before 1980. Since 2020, 147 have been built (1.6%). The median year built is 1980.

Median household income is $116,115 and median gross rent is $2,456 a month. Owners estimate the median home at $866,800, with a margin of error of $118,462, or 13.7%. The margin is wide because the area mixes condominiums, which sell for a few hundred thousand dollars, with waterfront houses that sell for millions. The owner-estimated median is about a fifth of the Tropic Isle sold median.

A vacancy rate of 30.2% is the signature of a winter community. Many owners are away in summer, and many homes are second homes. A seller who is away has to arrange access, and a house that has been shuttered through a Florida summer needs checks for humidity and storm damage before showing. Those tasks fall away with a direct sale to a buyer who purchases as is.

Source: U.S. Census Bureau, American Community Survey 2020-2024 five-year estimates, tables B01003, B19013, B25002, B25003, B25034, B25064 and B25077.

What does the South Florida clock say?

Realtor.com publishes listing series for the Miami-Fort Lauderdale-West Palm Beach metropolitan area through the Federal Reserve Bank of St. Louis. They show direction, not the level for Tropic Isle. The median days on market was 74 in March 2026, 77 in April, 79 in May, 82 in June and 85 in July. Active listings fell from 43,929 in May to 40,908 in August and ended September at 41,277 (Realtor.com, active listings).

The median listing price slipped from $499,000 in May to $490,000 in September (Realtor.com, median listing price). Listings with a price reduction fell from 10,942 in March to 8,810 in July (Realtor.com, price reduced listings), a count that fell along with the number of listings and is not a share.

The island's 123 days is far above the metropolitan 85, and its ask is fifteen times the metropolitan median listing price. The island follows its own cycle of a few sales a year, and the metropolitan series say only that the wider market has been slowing through the summer.

The direction is a lengthening clock and a slipping median ask, which fits the island's own long wait. It cannot tell a seller what a particular house will fetch. Readers comparing markets can also read the Cherokee Park brief and the East Delray brief.

Source: Realtor.com via FRED, Housing Inventory: Median Days on Market, Active Listing Count, Median Listing Price and Price Reduced Count, Miami-Fort Lauderdale-West Palm Beach, FL (CBSA).

What would a private sale change for a Tropic Isle owner?

A direct sale to a buyer who purchases homes off the market changes five things for the seller. There are no showings and no neighbors talking about you selling, which matters on a small island where neighbors see every visitor. The closing date can be flexible, giving time to find a new home. There are no commission costs and no closing costs for the seller. And there are no inspections or repairs, which on a waterfront house can include seawall, dock, roof and flood-related items.

The fee benefit needs no assumed rate. For every 1% of a sale price that would otherwise go to fees, a sale at $2,200,000 keeps $22,000, a sale at $4,250,000 keeps $42,500 and a sale at $7,695,000 keeps $76,950. An owner can set whatever percentage applies against a private offer and compare the two on net proceeds.

The sample sizes give a second reason for care. With 15 sales in a year, a public sale depends on a few buyers appearing, and the median wait of 123 days is the time it took them. A private offer is a number from a buyer who is ready now.

The trade-off is the usual one. A public listing can reach the buyer who values the water, the lot and the address most, and in a market of a few sales a year, that one buyer can matter. A private sale offers privacy, a settled date and no repairs. The owner decides.

Source: calculation from stated prices; no commission rate, closing cost or repair cost is assumed.

Methodology and limitations

Sales, prices, days, supply, flood and tax figures for Tropic Isle come from one recorded-closings page that says it uses MLS closings. It was not independently verified. Figures rest on small numbers of sales, and the brief says so where it matters.

Age, tenure, vacancy, income, rent, population and owner-estimated value come from the American Community Survey 2020-2024 five-year estimates for the postal-code area that includes Tropic Isle. The area is much larger than the island. Shares are calculated from published counts, and owner-estimated value carries a stated margin of error.

Days on market, active listings, median listing price and price reduced counts are Realtor.com series published by the Federal Reserve Bank of St. Louis for the Miami-Fort Lauderdale-West Palm Beach metropolitan area. The brief makes no forecast and does not estimate what any particular home would sell for.

Conclusion

The public record supports a short list for a Tropic Isle owner. A reported 60% jump rests on 15 sales and a different mix of houses, the median ask is 81% above the median sale, the clock is 123 days, and nearly all recent homes sit in a federal flood hazard zone.

It does not support a price for any one home. The choice between a public listing and a private sale comes down to how much an owner values the chance of the right buyer against privacy, a flexible closing date, no commission, no closing costs and no inspections or repairs.