Island House
Island House is a 14-story oceanfront cooperative at 200 Ocean Lane Drive in Key Biscayne, built in 1961 as the first high-rise ever constructed on the island and home to 118 residences. The building sits directly on the beach between Crandon Park and Bill Baggs Cape Florida State Park, giving residents direct beachfront access along one of Miami-Dade's most pristine shorelines. As a full-service building, Island House offers 24/7 security and front-desk staff, an on-site concierge, valet parking, an oceanfront pool with cabanas, a fitness room, and a party room overlooking the pool and garden, all professionally managed by FirstService Residential. Its intimate scale of just over 100 units and floor-to-ceiling windows throughout many residences reflect the boutique, low-density character that distinguishes it within Key Biscayne's oceanfront co-op community.
Amenities
- Direct beach access
- Oceanfront heated pool
- Private cabanas
- Fitness/exercise room
- 24/7 security and front desk
- On-site concierge
- Valet parking
- Party room overlooking pool and garden
- Barbecue and picnic area
- On-site property management (FirstService Residential)
Island House sits on Key Biscayne's oceanfront strip along Ocean Lane Drive, bordered by Crandon Park to the north and Bill Baggs Cape Florida State Park to the south. Key Biscayne is a low-density barrier island village connected to mainland Miami by the Rickenbacker Causeway, known for its beaches, tropical parks, and quiet residential character.
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Key Biscayne, FL 33149
Available Residences at Island House
4 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 501 | $3,850,000 | 4 / 4 | 1,880 | $2,048 | 30 |
3 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 401 | $3,600,000 | 3 / 3 | 2,412 | $1,493 | 33 |
2 Bedroom Condos · 2 units
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 409 | $1,499,000 | 2 / 2 | 1,610 | $931 | 25 |
| 407 | $1,275,000 | 2 / 2 | 1,580 | $807 | 50 |
Compare every Key Biscayne building, its inventory, and area market trends in one place.
ANALYTICS
CURRENT INVENTORY
INVENTORY BY BEDROOM
- 2 Bed (2) 50%
- 3 Bed (1) 25%
- 4 Bed (1) 25%
INVENTORY TREND (ALL UNITS)
Market & Community Report
As of August 12, 2026, Island House carries 4 active listings at an average asking price of $2.6M, with an average time on market of 35 days. Closed sales over the preceding 36 months averaged $1,055 per sq ft, and 3 transactions closed in the past 12 months — implying 16 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 — Island House
How many condos are for sale at Island House?
As of August 12, 2026, 4 residences are actively listed for sale at Island House. Current asking prices range from $1.3M to $3.9M. Inventory updates daily from the MLS.
How much do condos at Island House cost?
Condos at Island House are currently asking from $1.3M to $3.9M. Over the past 36 months, closed sales have averaged $1,055 per square foot. Final pricing varies by floor, line, square footage, finishes, and view.
What is the average price per square foot at Island House?
Based on MLS closed sales over the preceding 36 months, the average sale price at Island House is $1,055 per square foot. Use this as a benchmark when comparing active listings in the building.
Where is Island House located?
Island House is located at 200 Ocean Ln Dr, Key Biscayne, FL, 33149, in the Key Biscayne area.
What neighborhood is Island House in?
Island House 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 Island House?
Island House has 118 residences across 14 stories.
What year was Island House built?
Island House was completed in 1961.
What amenities does Island House offer?
Island House amenities include Direct beach access, Oceanfront heated pool, Private cabanas, Fitness/exercise room, 24/7 security and front desk, On-site concierge, Valet parking, Party room overlooking pool and garden.