# Cay Polynesia

As of 2026-09-16, Cay Polynesia in Key Biscayne has 2 units for sale at a median asking price of $455K ($748/sqft); 1 units sold in the last 12 months.

Cay Polynesia is a 3-story, 28-unit condominium at 255 Sunrise Dr on Key Biscayne, built in 1965 and located in FEMA flood zone AE and Miami-Dade evacuation zone A.

## Key facts

| | |
|---|---|
| Address | 255 Sunrise Dr |
| Neighborhood | Key Biscayne |
| Year built | 1965 |
| Floors | 3 |
| Units | 28 |
| Waterfront | no |
| For sale | 2 |
| Pending | 0 |
| Median asking price | $454,500 |
| Median asking $/sqft | $748/sqft |
| Sold, last 12 months | 1 |
| Median sold $/sqft, 12 months | $710/sqft |
| Months of inventory | 24.0 |
| Median HOA | $431/mo |
| Parking | Each unit includes one assigned parking space. |

## Own Miami measures

- **own.miami Building Score: 50 (B−)**
  - Value: 38 — $748/sqft — vs. Key Biscayne condos, then all of Miami
  - Momentum: 50 — Recent price trend
  - Liquidity: 18 — 24.0 months of supply · 142 days on market
  - Health: 100 — Public records checked — no liens, lawsuits or complaints on file
  - Waterfront: 55 — Not waterfront
  - Age: 4 — Built 1965 — vs. Key Biscayne buildings
- **Own Miami Condo Index: 120** (above_market; 100 = the market-median building, 200 = twice its $/sqft; rank 249 of 698 tracked Miami condos)
- **Financeability Index: 27** (cash; 12-month window, 0 recorded mortgages, — of sales bank-financed, lowest down payment —, as of 2026-10-31)
- Special-assessment outlook: elevated (next structural milestone inspection due 2030)

## Building health (verified public records)

- Public records checked 2026-10-31: no liens, lawsuits or regulatory complaints found
- Legal & regulatory: 0 material cases active, 0 disputes active, 0 DBPR complaints (36 months)

## Frequently asked questions

**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.

## Related pages

- [Key Biscayne — neighborhood guide](https://own.miami/key-biscayne)
- [All units for sale at Cay Polynesia](https://own.miami/buildings/cay-polynesia/for-sale)
- [Commodore Club West](https://own.miami/buildings/commodore-club-west)
- [Cape Florida Club II](https://own.miami/buildings/cape-florida-club-ii)
- [Galen Drive Condominium](https://own.miami/buildings/galen-drive-condominium)
- [Indies](https://own.miami/buildings/indies)

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Source: Own.Miami — https://own.miami · data as of 2026-09-16
Canonical page: https://own.miami/buildings/cay-polynesia
License: CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/
Methodology: https://own.miami/methodology · For AI assistants: https://own.miami/for-ai