Cay Polynesia is a small, low-rise condominium at 255 Sunrise Dr on Key Biscayne: 3 floors and 28 residences, completed in 1965. The Property Appraiser records it as Cay Polynesia Condominium.
The building sits in FEMA flood zone AE, part of the Special Flood Hazard Area, where FEMA maps a 1% yearly chance of flooding and lenders require flood insurance for federally backed or federally regulated mortgages. It is also in Miami-Dade hurricane evacuation zone A. The lowest street next to the building is 2 ft above the highest tide predicted for 2026 at Virginia Key.
On the 2025 Florida tax roll, 36% of the 28 units carry a homestead exemption and 7% are owned by a company or trust. The Miami-Dade Clerk recorded 1 resale deed in the 12 months to October 21, 2026. A public records check last run on October 22, 2026 found no liens, lawsuits or regulatory complaints at watch level or higher.
Getting around
Key Biscayne is a walkable urban neighborhood. Transit, parks, dining and landmarks within reach:
A data-grounded score for Cay Polynesia from live market data — value, momentum, liquidity, building health, waterfront and age. Computed, not opinion.
Get new listings here before the portals, and a straight answer from someone who knows the building.
Inventory
Sold $/sqft trend
3-month rolling median of closed sales in Cay Polynesia; bars are closings per month.
Location
Nearby buildings within half a mile.
Building facts
- Address
- 255 Sunrise Dr
- Year built
- 1965
- Floors
- 3
- Residences
- 28
- Waterfront
- No
Amenities
- · Pool
- · Private beach access
- · Barbecue area
Building rules
- Parking
- Each unit includes one assigned parking space.
Special assessments & recertification outlook
ElevatedPublic records checked Oct 31, 2026: no liens, lawsuits or regulatory complaints found for the association.
- Built 1965 — past its first structural milestone; next inspection around 2030
Estimated from Cay Polynesia’s age and signals in active listings — not an official inspection or reserve report. Always verify the building’s milestone-inspection status and reserves with the association before buying.
Financeability
What the banks say about Cay Polynesia: recorded purchase mortgages, the down payments they accepted, and the programmes in use.
- Mortgages recorded, 12 months
- 0
- 0 from banks and credit unions · purchases and refinances
- Sales bank-financed
- —
- 1 recorded sales, 12 months · Resales only
- Average down payment
- —
- Lowest down payment accepted
- —
Low confidence — few loans · As of 2026-10-31
Source: Miami-Dade County official records and the FHA/VA approval lists. Aggregates only; individual instruments are never shown. Compare with Key Biscayne
Flooding and storm surge
Public flood data at this building’s location, read Oct 22, 2026.
- FEMA flood zone
- Zone AE: high-risk area. FEMA maps a 1% yearly chance of flooding here.
- Base flood elevation on the map: 9.0 ft.
- Hurricane evacuation zone
- Zone A
- Miami-Dade storm surge planning zones run from A (called first) to E. The county decides which zones evacuate in a storm.
- Ground at the building
- 4.3 ft
- Lowest nearby street
- 3.0 ft
- Highest predicted tide, 2026
- 1.0 ft
Elevations in feet above the NAVD88 datum.
The lowest street next to this building sits 2.0 ft above this year’s highest predicted tide (Oct 27, 2026).
Estimated from public data, not a flood determination. Check the FEMA flood map and an elevation certificate for this building.
Legal & Regulatory
No material litigation foundCivil court cases involving the condominium association, classified by what they are about. Routine collections against individual owners are counted separately and do not affect the building’s standing.
- Active material lawsuits
- 0
- Owner / association disputes
- 0
- Routine collection cases
- 0
- DBPR complaints
- 0
- Open DBPR complaints
- 0
No civil cases involving the association were found on the Miami-Dade docket in the last five years.
DBPR registration PR1S018727 · Approved,Recorded. Public complaints on record with the Florida Division of Condominiums; investigations are confidential and not counted.
Court records are matched to the association by name and summarized by us; a case is a claim, not a finding. Ask the association for its litigation disclosure before buying.
Frequently asked
How much do condos at Cay Polynesia cost?+
There are 2 condos for sale at Cay Polynesia, from $450,000, with a median asking price of $454,500 ($748/sqft).
How much are the HOA fees at Cay Polynesia?+
HOA / maintenance fees at Cay Polynesia run around $431 per month among units currently for sale; the exact fee varies by unit size and line, so confirm the current amount with the listing or the condo association.
When was Cay Polynesia built?+
Cay Polynesia was built in 1965, 3 stories, 28 residences.
We track every listing here, every day. Get the next one before it hits the portals — and a straight answer from someone who knows the building.
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