4000 Williams Island
4000 Williams Island is a 31-story condominium at 4000 Island Boulevard in Aventura, completed in 1985 as the first residential tower built on the private, guard-gated 84-acre Williams Island community. It was developed by the Trump Group in partnership with Mutual Benefit Life Insurance Company, with architecture by Robert M. Swedroe, and comprises 180 residences overlooking the Intracoastal Waterway at one of its widest points. Building amenities include 24-hour valet, security, and concierge service, a heated waterfront pool, and a fitness center, club room, and function room. As part of Williams Island, residents also have access to the island's country-club-style amenities, including its spa, tennis and pickleball courts, marina, restaurants, and shuttle service. The building sits within Aventura, Miami-Dade County, an area known for its upscale, resort-style residential communities along the Intracoastal.
Amenities
- 24-hour valet parking
- 24-hour security and guard gate
- Concierge service
- Heated waterfront swimming pool
- Fitness center
- Club room
- Game room / billiard room
- Media room
- Function/party room
- Business center
- Williams Island Spa (community amenity)
- Tennis courts (community amenity)
- Pickleball courts (community amenity)
- Marina / yacht club access (community amenity)
- On-island restaurants (community amenity)
- Shuttle/courtesy bus service (community amenity)
| Unit | Floor | Beds | Baths | Sq Ft | Floorplan |
|---|---|---|---|---|---|
| Residences | |||||
| Swedroe Nora Palm Beach Florida | — | — | — | — | View |
| Swedroe Esplanade | — | — | — | — | View |
Floor plans courtesy of the developer; dimensions are approximate and subject to change.
4000 Williams Island sits within Williams Island, an 84-acre private, guard-gated island community in Aventura connected to the mainland, situated on the Intracoastal Waterway. Aventura is an upscale Miami-Dade County city known for its waterfront high-rise condominiums, marinas, and proximity to Aventura Mall.
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Aventura, FL 33160
Available Residences at 4000 Williams Island
4 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 2602 | $1,395,000 | 4 / 4 | 2,884 | $484 | 167 |
3 Bedroom Condos · 4 units
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| 2301 | $2,199,000 | 3 / 5 / 1 | 2,470 | $890 | 105 |
| 2701 | $1,850,000 | 3 / 5 / 1 | 2,470 | $749 | 176 |
| 1804 | $999,000 | 3 / 3 | 2,130 | $469 | 0 |
| 1604 | $675,000 | 3 / 3 | 2,130 | $317 | 0 |
2 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| W-STE6 | $2,430,000 | 2 / 3 | 2,463 | $987 | 2450 |
1 Bedroom Condos · 1 unit
| Unit | Asking Price | Bed(s)/Bath(s) | Living Size | Price/Sq.Ft. | Days on Market |
|---|---|---|---|---|---|
| W-STE3 | $340,000 | 1 / 1 | 1,238 | $275 | 42 |
Compare every Aventura building, its inventory, and area market trends in one place.
ANALYTICS
CURRENT INVENTORY
INVENTORY BY BEDROOM
- 2 Bed (1) 20%
- 3 Bed (3) 60%
- 4 Bed (1) 20%
INVENTORY TREND (ALL UNITS)
Market & Community Report
As of August 12, 2026, 4000 Williams Island carries 5 active listings at an average asking price of $1.8M, with an average time on market of 725 days. Closed sales over the preceding 36 months averaged $409 per sq ft, and 11 transactions closed in the past 12 months — implying 5.5 months of supply against the current pace of absorption.
Zip code 33160 (Aventura) is home to 43,225 residents with a median age of 48.8. Per-capita income stands at $56,787; 52% hold a bachelor's degree or higher. 59.1% of units are owner-occupied; 24.6% of residents work from home.
Explore the full Aventura 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 — 4000 Williams Island
How many condos are for sale at 4000 Williams Island?
As of August 12, 2026, 5 residences are actively listed for sale at 4000 Williams Island. Current asking prices range from $999K to $2.4M. Inventory updates daily from the MLS.
How much do condos at 4000 Williams Island cost?
Condos at 4000 Williams Island are currently asking from $999K to $2.4M. Over the past 36 months, closed sales have averaged $409 per square foot. Final pricing varies by floor, line, square footage, finishes, and view.
What is the average price per square foot at 4000 Williams Island?
Based on MLS closed sales over the preceding 36 months, the average sale price at 4000 Williams Island is $409 per square foot. Use this as a benchmark when comparing active listings in the building.
Where is 4000 Williams Island located?
4000 Williams Island is located at 4000 Island Blvd, Aventura, FL, 33160, in the Aventura area.
What neighborhood is 4000 Williams Island in?
4000 Williams Island is in Aventura, Aventura. You can compare every condo building, home inventory, and price trend across Aventura on its neighborhood guide.
How many units are in 4000 Williams Island?
4000 Williams Island has 180 residences across 31 stories.
What year was 4000 Williams Island built?
4000 Williams Island was completed in 1985.
What floor plans are available at 4000 Williams Island?
4000 Williams Island has 2 published floor plans. See the Floor Plans tab above for unit lines, dimensions, and layouts.
What amenities does 4000 Williams Island offer?
4000 Williams Island amenities include 24-hour valet parking, 24-hour security and guard gate, Concierge service, Heated waterfront swimming pool, Fitness center, Club room, Game room / billiard room, Media room.