Own Aventura

Williams Island 4000

4000 Island Blvd · Built 1985 · 32 floors · 200 residences

7 for sale
For sale
7
2 pending · 9.3 mo supply
Median asking
$1.5M
from $815K
Median $/sqft
$704/sqft
$387/sqft sold, 12 mo
Days on market
145
140 to sell · 9 in 12 mo
Williams Island 4000
Listing photo · courtesy of Williams Island Realty, LLC · MLS #A12088691

Located in the heart of Aventura, the 4000 building is situated within the private waterfront community of Williams Island. The building is currently undergoing a $32M renovation which includes upgrades to the lobby, entrance, hallways, elevators, and pool deck.

The property offers expansive views of the ocean, Intracoastal Waterway, and the city skyline. Residents have access to a wide array of community amenities, including a large full-service spa, multiple sports courts, a marina, and various dining and retail options on-site.

Part of the Williams Island 4000 complex

Sister towers that share the same development, address and often amenities — compare availability across the complex.

Live near more of Miami

What surrounds Williams Island 4000: seasonal events, annual programs and lifestyle indexes, measured from the building.

Distances are straight-line, not walking or driving.

Getting around

Aventura is a walkable urban neighborhood. Transit, parks, dining and landmarks within reach:

Aventura MallFounders ParkBrightline AventuraOleta River State Park
51
/ 100
B−
own.miami Score

A data-grounded score for Williams Island 4000 from live market data — value, momentum, liquidity, building health, waterfront and age. Computed, not opinion.

Value47
$704/sqft — vs. Miami condos
Momentum2
-29.0% $/sqft over 6 months
Liquidity44
9.3 months of supply · 145 days on market
Health90
No verified records yet — listing signals only
Waterfront90
Waterfront building
Age10
Built 1985
own.miami Condo Index
99100 = the median Miami condo, by price and liquidity.
Rank
#302 of 597 tracked Miami condos
Top 51% by price & liquidity
#10 of 69 in Aventura
Momentum
↓ Cooling
$704/sqft median ask
Liquidity
Balanced
See the full Condo Index →
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Inventory

Sold $/sqft trend

3-month rolling median of closed sales in Williams Island 4000; bars are closings per month.

$276$428$580Sep 2025Nov 2025Feb 2026May 2026Jul 2026

Location

Nearby buildings within half a mile.

Building facts

Address
4000 Island Blvd
Year built
1985
Floors
32
Residences
200
Waterfront
Yes

Amenities

  • · Pool
  • · Spa
  • · Tennis
  • · Pickleball
  • · Padel
  • · Basketball court
  • · Mini soccer field
  • · Dog park
  • · Children's playground
  • · Golf putting green
  • · Restaurants
  • · Marina
  • · Fitness center
  • · Courtesy shuttle
  • · Gourmet market
  • · Coffee and gelato shop
  • · 24-hour security
  • · Walk/jog path

Building rules

Pet, leasing and parking rules are being verified with the association.

Special assessments & recertification outlook

Elevated
  • Built 1985 — past its first structural milestone; next inspection around 2030

Estimated from Williams Island 4000’s age and signals in active listings — not an official inspection or reserve report. Always verify the building’s milestone-inspection status and reserves with the association before buying.

Frequently asked

How much do condos at Williams Island 4000 cost?+

There are 7 condos for sale at Williams Island 4000, from $815,000, with a median asking price of $1,500,000 ($704/sqft).

Is Williams Island 4000 a good time to buy?+

Williams Island 4000 currently has about 9.3 months of supply — a balanced pace.

How much are the HOA fees at Williams Island 4000?+

HOA / maintenance fees at Williams Island 4000 run around $2,450 per month among units currently for sale; the exact fee varies by unit size and line, so confirm the current amount with the listing or the condo association.

Is Williams Island 4000 a waterfront building?+

Yes — Williams Island 4000 is a waterfront building (Aventura).

When was Williams Island 4000 built?+

Williams Island 4000 was built in 1985, 32 stories, 200 residences.

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