Luxury Homes for Sale in Plantation Key, FL
The luxury market in Plantation Key starts at $2,500,000 — about 1.4× the city’s median asking price. This page is every active listing at that level, refreshed nightly from the MLS, with what has actually closed, where the inventory sits and how long it takes to sell. For the wider picture see all homes for sale in Plantation Key.
33 luxury homes are for sale in Plantation Key, FL at $2,500,000 and up — median asking $5,100,000, the top listing at $40,000,000. 100% of the luxury inventory is waterfront; 33% is new construction. Median days on market: 95.
Newest luxury listings in Plantation Key
The most expensive homes for sale in Plantation Key
| Listing | Asking | Sq ft | $ / sq ft | Community |
|---|---|---|---|---|
| 88835 & 88845 Old Highway | $40,000,000 | — | — | monroe county |
| 88845 Old Highway | $27,000,000 | — | — | monroe county |
| 89505 Old Highway | $26,400,000 | — | — | monroe county |
| 87895 Old Highway | $24,995,000 | — | — | monroe county |
| 87429 Old Highway | $18,499,000 | — | — | monroe county |
| 88835 Old Highway | $15,000,000 | — | — | monroe county |
| 88351 Old Highway | $14,990,000 | — | — | monroe county |
| 350 Buttonwood Bight Lane | $14,000,000 | — | — | monroe county |
| 89401 Old Highway | $13,500,000 | — | — | monroe county |
| 88747 Old Highway | $8,000,000 | — | — | monroe county |
Luxury inventory by price
| Band | For sale | Share |
|---|---|---|
| $2,000,000–$3,000,000 | 7 | 21% |
| $3,000,000–$5,000,000 | 9 | 27% |
| $5,000,000+ | 17 | 52% |
How to read this
Luxury is defined here as asking prices at or above $2,500,000. Counts, medians and closings come from active and closed MLS listings as of November 1, 2026; closings are the trailing 12 months. Listings appear courtesy of the listing brokerage under IDX rules; information deemed reliable but not guaranteed. See also all 84 homes for sale in Plantation Key.