Cay Polynesia
Condos for Sale in Key Biscayne, FL
All 83 homes for sale in Key Biscayne, FL · median $1,265,000 · 78 condos for sale in Key Biscayne · 133 homes for sale in 33149 · Miami-Dade County homes for sale
True comps, carrying-cost math, and listings before the portals.
Photo via MIAMI MLS
As of September 2026, Cay Polynesia Condo in Key Biscayne, FL has 2 homes for sale. As of September 2026, the MLS records 5 closed sales in Cay Polynesia Condo in Key Biscayne, FL since 2019, the most recent in August 2026.
Last 30 days in Cay Polynesia: 1 new listing (median asking $459,000). As of September 18, 2026, Listing information provided by the Southeast Florida MLS (SEFMLS) / MIAMI Association of REALTORS(R). Information is deemed reliable but not guaranteed by the MLS to be accurate.

Cay Polynesia Condo does not have enough active MLS data behind it right now to pin down a pricing pattern with confidence. That is not unusual for smaller condo buildings that trade infrequently, but it does mean any number you hear elsewhere should be treated as a starting point for a conversation, not a conclusion.
For a buyer or seller here, the posture right now is diligence over speed. Without a reliable run of comparable closed sales, the smart move is pulling the building's own transaction history and HOA documents directly rather than relying on broad Miami-Dade condo averages that may not reflect this specific address.
The 60-Second Overview
Cay Polynesia Condo sits within Miami-Dade County's condo inventory, but current MLS listings do not surface a documented amenity package for the building, so that detail has to be confirmed at the association level rather than assumed.
Pre-construction details are compiled from public records, builder announcements and builder listings, and are subject to change without notice; figures are deemed reliable but not guaranteed. Momentum Research figures are our own analysis. This page describes homes, pricing and community attributes, not residents.
Who Cay Polynesia Condo is best for.
Best for
- A buyer comfortable doing direct HOA and title-record diligence rather than relying on listing-site data alone
- Someone specifically targeting this building or address rather than shopping a broad Miami-Dade condo search
- A seller who has documentation ready (reserves, minutes, recent comps) to support pricing in the absence of public MLS history
Probably not for
- A buyer who wants a fully documented amenity list and comparable-sales trail before making a decision
- Someone shopping primarily on published price ranges or aggregated neighborhood statistics
- A buyer unwilling to request condo documents directly from the association before moving forward
The market around Cay Polynesia Condo
Cay Polynesia Condo is too small for its own price trend, so here is the market around it.
In ZIP 33149, 158 homes are on the market and 15% are under contract — a slower corner of Key Biscayne.
Across Miami-Dade County, 15,314 homes are active and 3,367 pending (18% under contract).
In ZIP 33149 (Key Biscayne), 134 homes closed in the last 12 months at a median of $1.49M ($921/sq ft), up 18.0% year over year, with a median 77 days on market. Right now 61 active and 13 pending listings — a buyer's market. See the live ZIP 33149 housing market and the Miami-Dade County market.
ZIP and county figures describe the wider market, not Cay Polynesia Condo specifically. Momentum Research analysis of MLS records.
Homes For Sale Right Now in Cay Polynesia Condo
Live MLS inventory for Cay Polynesia Condo. 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 Cay Polynesia Condo listings as of 2026-09-18, priced high to low. Based on information from the Southeast Florida Multiple Listing Service (SEFMLS) or from MIAMI Association of REALTORS(R) for the period 2019 through 2026. Tap any home to ask about it.
Every Home for Sale in Cay Polynesia Condo Right Now (2)
All 2 active and pending Cay Polynesia Condo listings with a detail page, newest first, refreshed twice a day from the MLS.
- 255 Sunrise Dr 107 · $459,000 · 1 bd / 1 ba · listed Sep 8, 2026 · listed by BHHS EWM Realty
- 255 Sunrise Dr 103 · $450,000 · 1 bd / 1 ba · listed Jun 23, 2026 · listed by Castaneda & Associates
The Cay Polynesia Condo buying strategy.
If we were buying in Cay Polynesia Condo 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 Cay Polynesia Condo.
What the listing gap actually tells you
When a building shows no identified amenities and no clear pricing signal from current listings, it usually means one of two things: very low turnover, or a small enough unit count that MLS activity is sparse at any given time. Either way, the absence of data is itself useful information — it tells you this is not a building where you can lean on public listing sites for a full picture.
That makes direct verification the priority. Condo docs, reserve study status, and recent closed sales (even off-MLS ones tracked through county records) will tell you more about Cay Polynesia Condo than any aggregated neighborhood statistic will. Anyone evaluating a unit here should treat the HOA package as the primary source, not a formality.
The location and the amenities are priced into every listing in Cay Polynesia Condo. The deal is won or lost on condition, the comps, and the renovation math.
Why work with Momentum here
In a building with thin public data, the value we add is legwork: pulling recorded sales history, requesting current HOA financials and minutes, and giving you a straight read on what we find before you write an offer or set a list price.
Cay Polynesia Condo in 15 seconds.
HOA, CDD & Fees
- HOA dues reported around $403/month (about $4,836/yr) · median of 5 MLS listings, most billed monthly
- Any club/amenity membership is billed separately
Listings in this community report association dues of about $403 per month ($4,836 a year) — the median AssociationFee across 5 MLS records, normalised to a monthly figure; most are billed monthly. 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 Cay Polynesia Condo 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 Cay Polynesia Condo sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in Cay Polynesia Condo, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your Cay Polynesia Condo home worth?
Get a no-obligation home value based on real comparable sales in Cay Polynesia Condo, 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 Key Biscayne →
Should you buy in Cay Polynesia Condo?
An honest fit check. We will tell you when it is not your community.
Data sources & freshness
| Live listings | MIAMI MLS, refreshed twice daily (last: September 18, 2026) |
| Under-contract shares | MIAMI MLS records, as of 2026-09-20 |
| Historical depth | Closed-sale records back to 2019 (5 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 MIAMI 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 MIAMI 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.
See how CAY POLYNESIA CONDO fits the bigger picture — live prices, inventory, and Momentum Scores:
Common questions about Cay Polynesia
Where is Cay Polynesia?
Cay Polynesia is a community in Key Biscayne, Miami-Dade County, Florida, ZIP 33149.
Are there homes for sale in Cay Polynesia right now?
Yes — 2 active and 0 pending listings as of the last feed refresh (twice daily). They are listed on this page.
Does Cay Polynesia have an HOA or CDD?
No HOA is on record for Cay Polynesia in our data. Verify dues, what they cover, and any special assessment for a specific address before you offer.
Answers are generated from county property records, MLS feeds and the figures on this page, as of the page date; deemed reliable but not guaranteed.
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