Tidemark
Tidemark is a 12-story condominium in Key Biscayne, built in 1978, with 283 residences.
Building details coming soon.
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Key Biscayne, FL 33149
Available Residences at Tidemark
4 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 175 | $4,450,000 | 4 / 4 | 2,604 | $1,709 | 70 |
2 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 227 | $1,599,000 | 2 / 2 | 1,531 | $1,044 | 86 |
1 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 932 | $875,000 | 1 / 2 / 1 | 1,089 | $803 | 61 |
Compare every Key Biscayne building, its inventory, and area market trends in one place.
ANALYTICS
CURRENT INVENTORY
INVENTORY BY BEDROOM
- 1 Bed (1) 33%
- 2 Bed (1) 33%
- 4 Bed (1) 33%
INVENTORY TREND (ALL UNITS)
Market & Community Report
As of June 28, 2026, Tidemark carries 3 active listings at an average asking price of $2.3M, with an average time on market of 72 days. Closed sales over the preceding 36 months averaged $816 per sq ft, and 6 transactions closed in the past 12 months — implying 6 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.
Data current as of June 28, 2026. Market metrics derived from MLS closed sales; community data from U.S. Census ACS.
Frequently Asked Questions — Tidemark
How many condos are for sale at Tidemark?
As of June 28, 2026, 3 residences are actively listed for sale at Tidemark ranging from $875K to $4.5M.
What is the average price per square foot at Tidemark?
Based on closed sales over the preceding 36 months, the average sale price at Tidemark is $816 per sq ft (MLS closed sales).
Where is Tidemark located?
Tidemark is located at 201 Crandon Blvd, Key Biscayne, FL, 33149.
What year was Tidemark built?
Tidemark was completed in 1978.