Tidemark
Tidemark is a 12-story oceanfront condominium at 201 Crandon Boulevard in Key Biscayne, completed in 1978 by developer Fritz Scharenberg as one of the towers within the gated Key Colony complex. The building's pyramid-shaped design is set on landscaped oceanfront grounds with direct beach access. Residents share in Key Colony's resort-style amenities, including swimming pools, a jacuzzi, sauna, fitness center, 12 tennis courts, and 24-hour attended security and lobby service. With 283 residences, Tidemark sits within walking distance of Crandon Park and Bill Baggs Cape Florida State Park on the island's eastern oceanfront.
Amenities
- Private beach access
- Swimming pool(s)
- Jacuzzi
- Sauna
- Fitness center/gym
- 12 tennis courts (Key Colony complex)
- 24-hour attended guard gate/security
- 24-hour lobby service
- Game room
- Jogging/walking paths
- Valet parking (garage)
- Landscaped grounds
Tidemark is part of Key Colony, a gated oceanfront community on Key Biscayne's eastern shoreline, within walking distance of Crandon Park and Bill Baggs Cape Florida State Park. Key Biscayne is a barrier island south of Miami connected via the Rickenbacker Causeway, known for its beaches and low-density residential character.
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Key Biscayne, FL 33149
Available Residences at Tidemark
2 Bedroom Condos · 3 units
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 643 | $2,800,000 | 2 / 2 | 1,950 | $1,436 | 6 |
| 530 | $1,599,900 | 2 / 2 | 1,531 | $1,045 | 1 |
| 227 | $1,599,000 | 2 / 2 | 1,531 | $1,044 | 103 |
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 | 74 |
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 (2) 67%
INVENTORY TREND (ALL UNITS)
Market & Community Report
As of August 12, 2026, Tidemark carries 3 active listings at an average asking price of $1.8M, with an average time on market of 27 days. Closed sales over the preceding 36 months averaged $823 per sq ft, and 7 transactions closed in the past 12 months — implying 5.1 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 August 12, 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 August 12, 2026, 3 residences are actively listed for sale at Tidemark. Current asking prices range from $875K to $2.8M. Inventory updates daily from the MLS.
How much do condos at Tidemark cost?
Condos at Tidemark are currently asking from $875K to $2.8M. Over the past 36 months, closed sales have averaged $823 per square foot. Final pricing varies by floor, line, square footage, finishes, and view.
What is the average price per square foot at Tidemark?
Based on MLS closed sales over the preceding 36 months, the average sale price at Tidemark is $823 per square foot. Use this as a benchmark when comparing active listings in the building.
Where is Tidemark located?
Tidemark is located at 201 Crandon Blvd, Key Biscayne, FL, 33149, in the Key Biscayne area.
What neighborhood is Tidemark in?
Tidemark is in Key Biscayne, Key Biscayne. You can compare every condo building, home inventory, and price trend across Key Biscayne on its neighborhood guide.
How many units are in Tidemark?
Tidemark has 283 residences across 12 stories.
What year was Tidemark built?
Tidemark was completed in 1978.
What amenities does Tidemark offer?
Tidemark amenities include Private beach access, Swimming pool(s), Jacuzzi, Sauna, Fitness center/gym, 12 tennis courts (Key Colony complex), 24-hour attended guard gate/security, 24-hour lobby service.