Own Mid-Beach & North Beach · North Beach

Mar Del Plata

6423 Collins Ave · Built 1976 · 18 floors · 150 residences

5 for sale
For sale
5
1 pending · 15.0 mo supply
Median asking
$725K
from $600K
Median $/sqft
$513/sqft
$429/sqft sold, 12 mo
Days on market
29
109 to sell · 4 in 12 mo
Mar Del Plata
Listing photo · courtesy of LoKation · MLS #A12078507

Located in the heart of North Beach, Mar del Plata is an oceanfront building situated along the beachfront boardwalk. The property offers a tranquil atmosphere with views of the Atlantic Ocean, the Intracoastal, and the city. The building is situated adjacent to a public oceanfront park featuring a playground and a dog run.

The building provides a variety of amenities, including a pool deck, fitness center, sauna, and a business center. Residents have access to a penthouse club featuring a bar, piano, and billiards, as well as a BBQ area with tiki huts. The property provides direct beach access and is located near local shops, restaurants, and the Bal Harbour area.

Live near more of Miami

What surrounds Mar Del Plata: seasonal events, annual programs and lifestyle indexes, measured from the building.

Distances are straight-line, not walking or driving.

Getting around

Mid-Beach & North Beach is a walkable urban neighborhood. Transit, parks, dining and landmarks within reach:

Miami Beach BoardwalkFaena DistrictFontainebleauNorth Shore Open Space ParkNormandy Isle ParkLa Gorce Country ClubCollins Avenue
59
/ 100
B
own.miami Score

A data-grounded score for Mar Del Plata from live market data — value, momentum, liquidity, building health, waterfront and age. Computed, not opinion.

Value75
$513/sqft — vs. Miami condos
Momentum0
-55.8% $/sqft over 6 months
Liquidity56
15.0 months of supply · 29 days on market
Health94
No verified records yet — listing signals only
Waterfront90
Waterfront building
Age0
Built 1976
own.miami Condo Index
67100 = the median Miami condo, by price and liquidity.
Rank
#460 of 597 tracked Miami condos
Top 77% by price & liquidity
#63 of 78 in Mid-Beach & North Beach
Momentum
↓ Cooling
$513/sqft median ask
Liquidity
Warm
See the full Condo Index →
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Inventory

Sold $/sqft trend

3-month rolling median of closed sales in Mar Del Plata; bars are closings per month.

$182$479$776Jan 2024Jul 2024Feb 2025Jul 2025Dec 2025Sep 2026

Location

Nearby buildings within half a mile.

Building facts

Address
6423 Collins Ave
Year built
1976
Floors
18
Residences
150
Waterfront
Yes

Amenities

  • · Pool
  • · Sauna
  • · Fitness/gym
  • · Valet
  • · Business center
  • · Bbq area
  • · Beach access
  • · Guest parking

Building rules

Parking
The building offers assigned, covered, and weather-shielded parking with EV-charging capabilities, along with valet and guest parking.

Special assessments & recertification outlook

Elevated
  • Listings note no special assessment currently
  • Built 1976 — past its first structural milestone; next inspection around 2031

Estimated from Mar Del Plata’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 Mar Del Plata cost?+

There are 5 condos for sale at Mar Del Plata, from $600,000, with a median asking price of $725,000 ($513/sqft).

Is Mar Del Plata a good time to buy?+

Mar Del Plata currently has about 15.0 months of supply — a buyer-friendly pace with more negotiating room.

How much are the HOA fees at Mar Del Plata?+

HOA / maintenance fees at Mar Del Plata run around $1,784 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 Mar Del Plata a waterfront building?+

Yes — Mar Del Plata is a waterfront building (Mid-Beach & North Beach).

When was Mar Del Plata built?+

Mar Del Plata was built in 1976, 18 stories, 150 residences.

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