Cay Polynesia Condo
Cay Polynesia is a boutique, low-rise condominium at 255 Sunrise Drive in Key Biscayne, built in 1965 and comprising 29 residences across three stories. The building sits just a few hundred yards from the sand, with private beach access allowing residents a short walk to the ocean. Amenities center on an expansive pool surrounded by lush tropical landscaping, along with a barbecue area and assigned parking. Many of its one- and two-bedroom units have been individually renovated over the years, reflecting the building's character as one of Key Biscayne's earlier, well-established residential addresses. The location places residents within the tight-knit, walkable Village of Key Biscayne, a barrier-island community reached via the Rickenbacker Causeway and known for its beachfront lifestyle.
Amenities
- Pool (expansive, surrounded by tropical landscaping)
- Private beach access
- Barbecue area
- Assigned parking
- Elevator
Key Biscayne is an intimate, walkable barrier-island village reached by the Rickenbacker Causeway, with its own police and fire departments and a beachfront lifestyle centered on the Atlantic shoreline. Cay Polynesia is a short walk to the beach via private access, within the residential Village of Key Biscayne.
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Key Biscayne, FL 33149
Available Residences at Cay Polynesia Condo
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ANALYTICS
CURRENT INVENTORY
INVENTORY BY BEDROOM
- 1 Bed (2) 100%
INVENTORY TREND (ALL UNITS)
Market & Community Report
As of September 28, 2026, Cay Polynesia Condo carries 2 active listings at an average asking price of $455K, with an average time on market of 142 days. Closed sales over the preceding 36 months averaged $765 per sq ft, and 1 transaction closed in the past 12 months — implying 24 months of supply against the current pace of absorption.
Zip code 33149 (Key Biscayne) is home to 14,628 residents with a median age of 43.2. Per-capita income stands at $106,219; 77.1% hold a bachelor's degree or higher. 69.4% of units are owner-occupied; 34.6% of residents work from home.
Explore the full Key Biscayne market intelligence report — pricing trends, inventory & sales pace →
Data current as of September 28, 2026. Market metrics derived from MLS closed sales; community data from U.S. Census ACS.
Frequently Asked Questions — Cay Polynesia Condo
How many condos are for sale at Cay Polynesia Condo?
As of September 28, 2026, 2 residences are actively listed for sale at Cay Polynesia Condo. Current asking prices range from $450K to $459K. Inventory updates daily from the MLS.
How much do condos at Cay Polynesia Condo cost?
Condos at Cay Polynesia Condo are currently asking from $450K to $459K. Over the past 36 months, closed sales have averaged $765 per square foot. Final pricing varies by floor, line, square footage, finishes, and view.
What is the average price per square foot at Cay Polynesia Condo?
Based on MLS closed sales over the preceding 36 months, the average sale price at Cay Polynesia Condo is $765 per square foot. Use this as a benchmark when comparing active listings in the building.
Where is Cay Polynesia Condo located?
Cay Polynesia Condo is located at 255 Sunrise Dr, Key Biscayne, FL, 33149, in the Key Biscayne area.
What neighborhood is Cay Polynesia Condo in?
Cay Polynesia Condo is in Key Biscayne, Key Biscayne. You can compare every condo building, home inventory, and price trend across Key Biscayne on its neighborhood guide.
What amenities does Cay Polynesia Condo offer?
Cay Polynesia Condo amenities include Pool (expansive, surrounded by tropical landscaping), Private beach access, Barbecue area, Assigned parking, Elevator.