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

Community in Key Biscayne · Miami-Dade County · ZIP 33149
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Photo via MIAMI MLS

Built fromLive MIAMI MLS data7 years of closingsUpdated twice daily

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.

Live · Cay Polynesia Condo Housing Pulse MIAMI MLS + public records Analysis by Momentum Realty · $3.5B+ sold · 10,000+ customers served · Top 1% in Florida (RealTrends)
Tempo
0%
Under contract
Miami-Dade: 18% (3,367 of 18,681)
2 · 0
For sale · pending
live counts, refreshed twice daily
Jon Brooks, founder of Momentum Realty
Jon's Current Read

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.

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

If we were buying in Cay Polynesia Condo 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 Cay Polynesia Condo.

Best Buy
Buyers or sellers who want a specific read on this building rather than a neighborhood-wide estimate.
Biggest Risk
Limited MLS history makes it harder to independently confirm fair value without direct document review.
Sweet Spot
Works best for someone willing to do the due diligence on HOA and building records before committing.
Avoid If
Skip it if you need a well-documented comparable-sales trail to feel confident before you act.

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.

Jon Brooks · Founder, Momentum Realty

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.

Best forBuyers or sellers who want a specific read on this building rather than a neighborhood-wide estimate.
Biggest advantageA smaller, lower-turnover building can mean less competitive noise when a unit does come up.
Biggest riskLimited MLS history makes it harder to independently confirm fair value without direct document review.
Sweet spotWorks best for someone willing to do the due diligence on HOA and building records before committing.
Avoid ifSkip it if you need a well-documented comparable-sales trail to feel confident before you act.

HOA, CDD & Fees

A note on who we are: Momentum Realty is a real estate brokerage. We are not the Cay Polynesia Condos for Sale in Key Biscayne, FL 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 Cay Polynesia Condos for Sale in Key Biscayne, FL.
In short
  • 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.

The takeaway

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.

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 →

Real comps, not an automated estimate.
A buyer comfortable doing direct HOA and title-record diligence rather than relying on listing-site data aloneExcellent fit
Someone specifically targeting this building or address rather than shopping a broad Miami-Dade condo searchExcellent fit
A seller who has documentation ready (reserves, minutes, recent comps) to support pricing in the absence of public MLS historyExcellent fit
A buyer who wants a fully documented amenity list and comparable-sales trail before making a decisionProbably not
Someone shopping primarily on published price ranges or aggregated neighborhood statisticsProbably not
A buyer unwilling to request condo documents directly from the association before moving forwardProbably not

Data sources & freshness

Live listingsMIAMI MLS, refreshed twice daily (last: September 18, 2026)
Under-contract sharesMIAMI MLS records, as of 2026-09-20
Historical depthClosed-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.

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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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