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| Asking Price | $1,150,000 |
|---|---|
| Price per SqFt | $1,086 |
| Maintenance fee | $1,308 Monthly |
| Property Taxes | $10,857 2025 |
| Interior Space | 1,059 SqFt |
| Beds/Baths | 1/2 |
| Year Built | 1978 |
| MLS # | A12078197 |
Estimated Costs
An estimate of condo or HOA fees and property taxes
Fees and taxes based on MLS provided figures, and may not be accurate
From the listing
Direct ocean views from the 6th floor of Tidemark, the oceanfront building at Key Colony. This 1,059 sq ft residence has an open living and dining area that flows to a covered balcony facing the Atlantic, a spacious primary bedroom, a den and two full baths. Marble floors, washer and dryer in the unit, and one assigned covered parking space under the building. Key Colony is a 24 hour guard gated oceanfront community on more than 40 acres with a private beach, 12 tennis courts, an Olympic lap pool plus a pool at each building, jacuzzi, sauna, fitness center, community room, and an on site market and salon. Steps from the beach, Crandon Park and the Village of Key Biscayne. Leasing allowed with a 90 day minimum. Owners may keep one dog up to 20 lbs.
Listed by CRANELUXE
Sales History for This Unit · Key Colony I Tidemark Unit 605
| Sale ⇅ | Sold Price ⇅ | Closed Date ⇅ |
|---|---|---|
| A11761055 | $680,000 | 4/30/25 |
What Other Units Have Been Selling For at Key Colony I Tidemark
1 other unit sold in the last 12 months at an average of $803/SqFt · This unit (605) is asking $1,086/SqFt
| Unit ⇅ | Sold Price ⇅ | % of Ask ⇅ | Closed Date ⇅ |
|---|---|---|---|
| 305 | $850,000$803/SqFt | 96% | 10/29/25 |
| 605 | $680,000$642/SqFt | 98% | 4/30/25 |
| 504 | $848,500$723/SqFt | 97% | 4/4/25 |
| 305 | $630,000$595/SqFt | 97% | 10/24/24 |
| 420 | $760,000$753/SqFt | 95% | 10/17/24 |
| 432 | $860,000$790/SqFt | 96% | 10/27/23 |
| 720 | $703,000$697/SqFt | 101% | 3/31/22 |
| 236 | $600,000$529/SqFt | 95% | 8/13/21 |
For a full analysis of past sales in this development, contact Mark Zilbert.

Listed by CRANELUXE. Mark Zilbert of ONE Sotheby's International Realty is a cooperating (transaction) broker and helps buyers find properties in Key Biscayne and throughout South Florida.
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Location
The curated data and calculated data for this property and its surrounding condo units and homes is based solely on data we have extracted from the MLS. There may be unpublished, private, quit claim and other property offerings and transfers that do not appear here, which may affect how a buyer or seller perceives property values. Always conduct proper due diligence when considering buying or selling property.
More at Key Colony I Tidemark
282 units · 8 for sale · 7 sold in the last 12 months · building avg $865/SqFt sold, against this unit's $1,086 ask
