881 Ocean Dr · Key Biscayne, FL 33149

Casa Del Mar

27-story tower, completed 1971, 235 residences in Key Biscayne. 5 for sale and 5 for rent on Nov 2, 2026.

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At a glance Casa Del Mar (881 Ocean Dr, Key Biscayne) is a 27-story, 235-unit building completed in 1971. As of Nov 2, 2026, 5 units are for sale and 5 are for rent; the median closed price was $1,101 per square foot over 4 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.

Photo · MLS listing in this building

For sale
5
For rent
5
Median $/SF
$1,1014 sales · 12 mo
Sold
4last 12 months
Built
1971
Floors
27
Residences
235county
Flood zone
AEFEMA
Owner-occupied
40%
Avg. unit
2,021sq ft

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

On the market at Casa Del Mar.

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 4

  • Unit 10A$3,750,000 · 3 bd
  • Unit 19C$8,700/mo · 2 bd
  • Unit 10D$7,900/mo · 3 bd
  • Unit TH3$6,000/mo · 2 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 33149

Casa Del Mar, 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.

92 units seen · MLS via Bridge IDX · as of Nov 2, 2026
  • For sale 5
  • Under contract 3
  • For rent 5
  • Sold or leased, last 12 months 12
  • Seen in the MLS before that 67
  • No MLS record seen 108
ABCDEFGH273252015105ABCDEFGH273201510Floors 1 to 2: no unit seen in the MLSFloors 1 to 2: no unit seen in the MLS

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

Units seen92of 235 residences on record
Floors with units25floors 3 to 27
Lines8stacks of units, by number

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

Upper floorsfloors 21 to 272 sales, too few for a median
Middle floorsfloors 12 to 20$1,019/SF · 5 sales
Lower floorsfloors 3 to 11$907/SF · 3 sales

Closed $/SF figures use the 10 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 D closed highest per square foot: a median $1,027/SF over 3 sales in 24 months. The largest typical unit is line A, a median 3,120 sf over 7 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 A73,120 sf33–
Line B121,875 sf2–1 sale, too few
Line C141,875 sf231 sale, too few
Line D131,875 sf21$1,027 3 sales
Line E141,875 sf232 sales, too few
Line F121,875 sf211 sale, too few
Line G131,875 sf2–1 sale, too few
Line H73,120 sf321 sale, too few

17 units in the record sit outside this grid (L1, L2, L3, L4, L5, L6, TH3, TH7, …): 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 Casa Del Mar.

Activity as of Nov 2, 2026
  • Resale +116%. The median closed price moved from $549/SF in 2020 (9 sales) to $1,184/SF in 2026 (3 sales), the first and last years with three or more recorded sales.
  • Gross rental yield 5.1%. A year of rent at the median $4.67/SF/mo (14 leases) against the median $1,101/SF sale (4 sales), both over 12 months, before HOA, taxes and vacancy.
  • Asks run +16% against closings. Sellers ask a median $1,280/SF (5 listings) against $1,101/SF closed (4 sales, 12 months). That gap is negotiation room. Bring the comps.
  • Sells in a median 53 days. Days on market across the 4 sales closed in the last 12 months.
  • A renters' building. Leases outnumbered sales 4 to 1 over the last 12 months (14 leases, 4 sales), at a median $8,150 a month.
Read the full record 4 paragraphs and 12 facts, every figure from the MLS and county record

Completed in 1971, Casa Del Mar stands 27 stories at 881 Ocean Dr in Key Biscayne. County folio records count 235 residences, averaging 2,021 SF of living area. The condo archive records it as waterfront (ocean). No Key Biscayne building in the atlas has more recorded floors.

Five units were for sale on November 2, 2026, asking $2.4M to $3.6M (median ask $1,280/SF across 5 listings). One more was under contract. Four sales closed between November 2, 2025 and November 2, 2026, from $1.9M to $3.1M, a median $1,101/SF, after a median 53 days on the market. In the 12 months before that, eight sales closed at a median $960/SF, so the median rose 15%. Across 67 recorded sales since 2019, the best year by median price per square foot was 2026, at $1,184 over 3 sales. That 12-month median ranks 6th of the 23 Key Biscayne buildings with at least three sales in the same window. Two-bedrooms made up eight of the 12 sales in the last 24 months, at a median $1,805,000.

Five units were offered for rent at $7,900 to $22,000 a month. 14 leases were signed over the same 12 months, at a median $8,150 a month (range $5,300 to $13,000). Leases outnumbered sales 4 to 1 over that year, so renters are a large share of who lives here.

County records show 40% of residences as owner-occupied.

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

The record

Address
881 Ocean Dr, Key Biscayne 33149
Neighborhood
Key Biscayne
Front desk / mgmt
(305) 361-9121
Year built
1971
Floors
27
Residences (county-verified)
235
Owner-occupied
40% of residences
Avg. unit size
2,021 sq ft
Total living area
474,949 sq ft
County condo folios
235
Waterfront
Yes / Ocean
Recorded MLS listings
190

The numbers at Casa Del Mar.

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, 2019 to 2026. Count in the tooltip.

$592$1,184$5672019$5492020$7632021$9042022$8672023$1,0132024$9532025$1,1842026$592$1,184$567'19'20$763'21'22$867'23'24'25$1,184'26

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

Year by year, every recorded closing
YearSalesMedian $/SFLeasesMedian rent
2026 (to date)3$1,18414$8,150/mo
20258$95317$7,750/mo
20243$1,01315$7,250/mo
202311$86718$6,792/mo
202214$90417$8,000/mo
202117$76318$6,350/mo
20209$54915$5,200/mo
20192$567*1$7,000/mo*

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

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

Median closed $/SF in 2020: $549 (9 sales). In the last 12 months: $1,101 (4 sales). Change: +101%.

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 67 sales · 115 leases on record since 2019

Closed sales Nov 2, 2024 to Nov 2, 2026 · 12

UnitBDBASFAskedClosed$/SFClose dateDOM
7D321,875$2,350,000$2,220,000$1,184Sep 4, 2026111
18F221,875$2,470,000$2,450,000$1,307Jul 6, 202621
13C221,875$1,859,000$1,910,000$1,019Feb 24, 20266
13H333,120$3,299,000$3,120,000$1,000Nov 17, 202584
L212930$875,000$690,000$742Jun 4, 2025206
23B221,875$1,700,000$1,520,000$811May 21, 2025270
3D221,875$1,690,000$1,700,000$907Apr 4, 2025150
PH 27E221,875$1,995,000$1,995,000$1,064Mar 31, 20257
TH15221,042$1,199,000$1,199,000$1,151Mar 7, 202555
16D221,875$1,995,000$1,925,000$1,027Jan 31, 2025140
6G221,875$1,690,000$1,570,000$837Jan 10, 2025169
18E321,875$1,995,000$1,900,000$1,013Nov 5, 2024141

Leases signed Nov 2, 2025 to Nov 2, 2026 · 14

UnitBDBASFAsked/moLeased/mo$/SF/moLease dateDOM
18B321,875$10,500/mo$9,500/mo$5.07Oct 8, 202631
22F321,875$7,900/mo$7,000/mo$3.73Oct 1, 2026479
L211930$5,750/mo$5,750/mo$6.18Aug 26, 202650
24C221,875$7,900/mo$7,500/mo$4.00Jul 17, 2026150
TH12221,042$6,000/mo$5,500/mo$5.28Jul 1, 202658
10E221,875$9,500/mo$8,500/mo$4.53Jun 26, 202622
22E321,875$8,500/mo$8,000/mo$4.27Jun 1, 2026145
27D221,875$9,500/mo$9,000/mo$4.80May 8, 202658
26B221,875$9,500/mo$9,500/mo$5.07Mar 31, 2026150
L322930$5,700/mo$5,300/mo$5.70Mar 16, 202692
5D221,875$7,500/mo$6,500/mo$3.47Feb 19, 202659
22A333,120$13,000/mo$13,000/mo$4.17Jan 15, 2026210
19C221,875$8,300/mo$8,300/mo$4.43Jan 7, 202641
9C231,875$10,000/mo$10,000/mo$5.33Jan 1, 202627

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 Casa Del Mar.

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 2001

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 1971 (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 Casa Del Mar

5 more nearby

Compare with the two nearest →Every Key Biscayne 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 Casa Del Mar'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 Casa Del Mar lists or sells, I'll let you know. I send these myself, not a robot.

Phone or email. One is enough.

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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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