Aventura, FL 33160

Part of Williams Island · 12 buildings

Williams Island · 4000 Island Blvd

32-story tower, completed 1985, 200 residences in Aventura. 7 for sale and 4 for rent on Nov 2, 2026.

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At a glance Williams Island (4000 Island Blvd, Aventura) is a 32-story, 200-unit building completed in 1985. As of Nov 2, 2026, 7 units are for sale and 4 are for rent; the median closed price was $338 per square foot over 9 sales in the last 12 months. FEMA flood zone AE. Source: Miami Assoc. of REALTORS® MLS via Bridge IDX, Miami-Dade Property Appraiser records and the FEMA flood map.

For sale
7
For rent
4
Median $/SF
$3389 sales · 12 mo
Sold
9last 12 months
Part of
Williams Island
Built
1985
Floors
32
Residences
200county
Flood zone
AEFEMA
Owner-occupied
47%

MLS via Bridge IDX · as of Nov 2, 2026 · How these numbers are made

On the market at 4000 Island Blvd.

The weekly MLS snapshot, newest asks first. Each unit opens its full listing: photos, taxes, history. Or check the live feed for today's inventory.

Snapshot as of Nov 2, 2026.

Under contract 3

  • Unit 1804$999,000 · 3 bd
  • Unit 1604$845,000 · 3 bd
  • Unit W-STE3$340,000 · 1 bd

Listings matched to this building's recorded addresses. I don't have to be the listing agent to show you any unit or to negotiate for you. Search condos in 33160

Williams Island, floor by floor.

Every unit the MLS has recorded here, placed by its unit number: floors up, lines across, each column as wide as the units in it. Amber is for sale today (a unit listed both for sale and for rent is amber). Hover or tap a unit to read its record.

83 units seen · MLS via Bridge IDX · as of Nov 2, 2026
  • For sale 6
  • Under contract 2
  • For rent 2
  • Sold or leased, last 12 months 10
  • Seen in the MLS before that 63
  • No MLS record seen 127
0102030405060730125201510501020304050607301252015105Floors 31 to 32: no unit seen in the MLSFloors 31 to 32: no unit seen in the MLS

Tap a unit to read its record here. Amber and white units open their listing page.

Units seen83of 200 residences on record
Floors with units28floors 1 to 30
Lines7stacks of units, by number

Closed $/SF by height sales in the 24 months to Nov 2, 2026

Upper floorsfloors 23 to 30$418/SF · 6 sales
Middle floorsfloors 12 to 22$371/SF · 11 sales
Lower floorsfloors 1 to 11$299/SF · 5 sales

Closed $/SF figures use the 22 recorded sales of these units in the 24 months to Nov 2, 2026; a median needs three. Floor, line and size are the record's. Views and orientation are not in it and are not shown.

Line 06 closed highest per square foot: a median $495/SF over 5 sales in 24 months. The largest typical unit is line 02, a median 2,130 sf over 4 units seen, recorded with 3 bedrooms.

The lines what the MLS record holds for each stack of units
LineUnits seenTypical sizeBedsOn the marketClosed $/SF · 24 mo
Line 01101,983 sf331 sale, too few
Line 0242,130 sf322 sales, too few
Line 03181,508 sf21$331 3 sales
Line 04152,130 sf32$327 5 sales
Line 05111,235 sf12$291 3 sales
Line 06152,120 sf2–$495 5 sales
Line 07102,120 sf2–$387 3 sales

15 units in the record sit outside this grid (1, 406/5, 2501/2507, 2906/5, L-2, L-4, L-7, PH-1, …): penthouse, townhouse or ground-level numbers, or lines seen only once or twice.

How this is drawn: a unit's floor and line come from its MLS unit number alone (5614 is floor 56, line 14). A cell exists only where the MLS has recorded a listing, a closing or a lease; a blank means no record was seen, not that no unit exists. Column widths follow each line's median recorded living area. Pre-construction towers and buildings with a thin record have no drawing.

Floor and line from the MLS unit number; a blank cell means no record was seen. How these numbers are made

The read on 4000 Island Blvd.

Activity as of Nov 2, 2026
  • One of the 12 buildings of Williams Island. Its own condominium, 200 residences at this address (Miami-Dade Property Appraiser). The complex page adds up the sales and listings of every building.
  • Resale +38%. The median closed price moved from $245/SF in 2020 (10 sales) to $338/SF in 2026 (9 sales), the first and last years with three or more recorded sales.
  • Gross rental yield 10.6%. A year of rent at the median $2.98/SF/mo (3 leases) against the median $338/SF sale (9 sales), both over 12 months, before HOA, taxes and vacancy.
  • Asks run +122% against closings. Sellers ask a median $749/SF (7 listings) against $338/SF closed (9 sales, 12 months). That gap is negotiation room. Bring the comps.
  • Sells in a median 42 days. Days on market across the 9 sales closed in the last 12 months.
  • An owners' building. Sales outnumbered leases 3 to 1 over the last 12 months (9 sales, 3 leases).

Where it ranks citywide, condo buildings in 17 Miami neighborhoods

  • #88 of 384 · highest gross rent yield9.03% gross rent yield, before HOA, taxes and vacancy · n 22 · Oct 2024 to Sep 2026

See the full rankings · How rankings are made

Read the full record 4 paragraphs and 12 facts, every figure from the MLS and county record

Williams Island rises 32 floors at 4000 Island Blvd in Aventura and was completed in 1985. The Miami-Dade Property Appraiser lists 200 residential units plus one commercial unit, averaging 1,882 SF of living area. It is one of eight buildings recorded under the Williams Island name.

On November 2, 2026, seven units were listed for sale, asking $750K to $2.4M (median ask $749/SF across 7 listings). Three more were under contract. Nine sales closed between November 2, 2025 and November 2, 2026, from $360K to $1.4M, a median $338/SF, after a median 42 days on the market. In the 12 months before that, 13 sales closed at a median $398/SF, so the median fell 15%. The MLS holds 96 closed sales here going back to 2020; among years with three or more sales, 2025 set the high at a median $437/SF. That 12-month median ranks 45th of the 93 Aventura buildings with at least three sales in the same window. Two-bedrooms made up 12 of the 22 sales in the last 24 months, at a median $658,000.

Four units were offered for rent at $5,000 to $20,000 a month. Three leases were signed over the same 12 months, at a median $4,500 a month (range $4,200 to $7,700). Sales outnumbered leases 3 to 1 over that year.

About 47% of the residences are owner-occupied according to county records.

Sources: Miami Assoc. of REALTORS® MLS via Bridge IDX (activity as of November 2, 2026), Miami-Dade Property Appraiser records. Blanks mean the record doesn't state it; nothing here is estimated.

The record

Address
4000 Island Blvd, Aventura 33160
Neighborhood
Aventura
Year built
1985
Floors
32
Residences (county-verified)
200
Commercial units
1
Owner-occupied
47% of residences
Avg. unit size
1,882 sq ft
Total living area
376,446 sq ft
County condo folios
201
Recorded MLS listings
132
Also recorded as
4000 Island Bl

The numbers at 4000 Island Blvd.

Every sale and lease the MLS has recorded at this address, sales first.

MLS via Bridge IDX · as of Nov 2, 2026

Median $/SF by year closed

Every recorded sale at this address, 2020 to 2026. Count in the tooltip.

$219$437$2452020$2642021$4102022$4292023$3932024$4372025$3382026$219$437$2452020$2642021$4102022$4292023$3932024$4372025$3382026
Year by year, every recorded closing
YearSalesMedian $/SFLeasesMedian rent
2026 (to date)9$3383$4,500/mo
202511$4374$5,200/mo
20249$3935$5,000/mo
20237$4291$4,000/mo*
202217$4101$4,500/mo*
202133$2646$3,475/mo
202010$2458$3,150/mo
2019––1$2,475/mo*

* Fewer than three closings that year: the figure is the closing itself or the average of two, too few for a median.

Closed $/SF by unit size

Median $/SF of the sales in the 12 months to Nov 2, 2026, with the count beside each bar.

1 bedroom$291/SF · 1 sale*
2 bedrooms$338/SF · 3 sales
3+ bedrooms$371/SF · 5 sales

* Pale bars: fewer than three sales, so the bar is the sale itself or the average of two, too few for a median.

Medians need three or more sales. How these numbers are made

Own here? See how the building moved since you bought.

Median closed $/SF in 2020: $245 (10 sales). In the last 12 months: $338 (9 sales). Change: +38%.

This is the building's movement, not your unit's value. Floor, view, line and condition move a unit's price more than the building does. Only years with three or more recorded sales are listed.

Get your unit's value →
Show all closings 96 sales · 29 leases on record since 2020

Closed sales Nov 2, 2024 to Nov 2, 2026 · 22

UnitBDBASFAskedClosed$/SFClose dateDOM
170443.53,365$1,400,000$1,250,000$371Oct 20, 20261
2204332,130$1,500,000$1,450,000$681Oct 14, 20268
1604332,130$675,000$675,000$317Sep 8, 20260
1704343,365$1,299,000$1,100,000$327Jun 15, 20261
110511.51,235$389,000$360,000$291Jun 15, 2026153
1007222,120$920,000$716,000$338Jun 2, 2026133
2402332,130$975,000$975,000$458May 21, 202669
1503221,508$579,000$490,000$325May 1, 2026336
1507222,120$895,000$820,000$387Feb 13, 202615
2607222,120$1,099,000$927,000$437Oct 29, 2025294
2606222,120$1,099,000$1,025,000$483Oct 14, 2025274
1906222,120$1,175,000$1,100,000$519Sep 26, 2025140
2002332,130$1,218,000$1,150,000$540Sep 4, 2025139
2503221,508$499,000$499,000$331Aug 22, 2025157
906222,120$1,200,000$1,075,000$507Jul 31, 202540
905221,607$450,000$425,000$264Jun 2, 2025108
904221,840$739,000$550,920$299May 23, 2025179
2106343,335$1,800,000$1,650,000$495Apr 24, 2025130
2803221,508$699,000$600,000$398Apr 1, 2025161
1206222,120$655,000$526,000$248Apr 1, 2025361
180511.51,235$439,000$415,000$336Nov 20, 202450
270134.52,470$945,000$825,000$334Nov 12, 2024177

Leases signed Nov 2, 2025 to Nov 2, 2026 · 3

UnitBDBASFAsked/moLeased/mo$/SF/moLease dateDOM
606222,120$7,900/mo$7,700/mo$3.63Jul 28, 2026293
1003221,508$4,700/mo$4,500/mo$2.98Mar 19, 2026116
1703221,508$4,500/mo$4,200/mo$2.79Feb 10, 202677

Data: Miami Assoc. of REALTORS® MLS via Bridge IDX, as of Nov 2, 2026. Listings matched to this building's recorded addresses; pending includes under-contract. Closed listings shown as records only, no photos. Blanks mean the record doesn't state it. How these numbers are made

The file on 4000 Island Blvd.

The rules on record, the documents in my files, the two Florida checks every buyer should run, and the buildings around it. Each card opens.

FEMA flood zone

AE

Inside FEMA's Special Flood Hazard Area. A federally backed mortgage requires flood insurance here.

What the zone means
  • The 1% annual chance ("100-year") flood area, with a base flood elevation set.
  • Base flood elevation 8 ft (NGVD29).
  • The zone is a map line, not a premium. Ask the association for its master flood policy, and get a flood quote for the specific unit before you commit.

FEMA National Flood Hazard Layer, checked at the building's mapped location on Oct 12, 2026. Open the official map ↗

Milestone structural inspection

Turned 30 in 2015

The statute's first deadline for a building this age was December 31, 2024, then every 10 years.

What the deadline means
  • Based on year built 1985 (county record). The statute counts from the certificate of occupancy date, which can differ.
  • The association must give every owner the inspector's summary. Ask for it, and for the structural integrity reserve study, before you commit.

Fla. Stat. § 553.899(3) ↗ and Miami-Dade recertification ↗, read Oct 9, 2026. What the deadline means for buyers

Nearby

Around 4000 Island Blvd

5 more nearby

Compare with the two nearest →Every Aventura building →Distances are straight-line. Building data from Miami Assoc. of REALTORS® MLS records via Bridge IDX.

Own here, or looking here

Owners: tell me your unit and I'll prepare its value myself. Buyers and renters: I'll tell you when a unit here lists or sells. Either way it starts a conversation with me, not a mailing list.

Own here?

Get your unit's value

Tell me your unit and I'll prepare its value myself, from Williams Island's closed sales and what is listed now. Then we talk it through.

Phone or email. One is enough.

Thinking about

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Looking here?

Get alerts when a unit lists or sells

When a unit at Williams Island lists or sells, I'll let you know. I send these myself, not a robot.

Phone or email. One is enough.

Alerts for

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Enrique Ponte Ojeda on a balcony overlooking the water in Miami
I read the building before you buy or sell a unit in it.Closed history, the association's rules, what is really for sale and what it should trade at. Then we talk.
Enrique Ponte Ojeda
Licensed Florida Real Estate Agent · Carmona Realty Group

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