6423 Collins Ave

Miami Beach, FL 33141

$725,000

$513/ft²

1Beds

1.5Baths

1,412Sq ft

1976Year built

CondoType

About this home

Enjoy beautiful ocean and city views from this renovated 1-bedroom, 1.5-bath residence at the oceanfront Mar del Plata. The thoughtfully designed interior features a glass-enclosed den ideal for a home office, guest space, or flexible living area, along with an bright renovated kitchen with a spacious center island, stainless-steel appliances, and expansive ocean views and a private balcony accessible from both the kitchen and bedroom. Impact windows and an in-unit washer and dryer add comfort and convenience. Mar del Plata is a well-maintained oceanfront building offering direct private beach access and an impressive collection of amenities, including a swimming pool, fitness center, sauna, game room, charming tiki huts, 24-hour security and doorman service. A spectacular top-floor event space showcases panoramic views of the ocean, Biscayne Bay, and downtown Miami—perfect for entertaining family and friends. The residence includes one assigned covered parking space - EV-charging available. Maintenance includes cable, internet, and A/C. Ideally located in Miami Beach with convenient access to South Beach, Bal Harbour Shops, restaurants, hospitals, I-195/112, and Miami International Airport. A wonderful opportunity to enjoy the best of oceanfront Miami Beach living. Vacant and easy to show.

Features

Waterfront

Property details

Listing

MLS #: A12078507
Status: For sale
Listed on: Aug 26, 2026
Days on market: 1 day
Listing data updated: Aug 27, 2026

Interior

Beds: 1
Baths: 1.5
Living area: 1,412 ft²
Price per ft²: $513/ft²
Unit: 1702

Building & community

Type: Condo
Year built: 1976
HOA fee: $1,400/mo
County: Miami-Dade

Lot & exterior

Waterfront: Yes

Days on market, price per ft² and the monthly HOA amount are calculated by this site from the MLS data shown; the association fee is normalized to a monthly figure.

What's nearby

Elementary school: BISCAYNE BEACH ELEMENTARY SCHOOL · 1.1 mi away
Middle school: MATER ACADEMY (MIAMI BEACH) · 1.7 mi away
High school: MIAMI BEACH SENIOR HIGH SCHOOL · 3.4 mi away
Transit: COLLINS AV & 65 ST · 0.1 mi away
Supermarket: Beach food market & Cafe · 0.2 mi away
Park: Allison Park · 0.1 mi away
Pharmacy: Walgreens · 0.3 mi away

Straight-line distances · Sources: NCES/FL DOE, GTFS Miami-Dade and Broward, OpenStreetMap

True monthly cost

Mortgage (principal & interest): $3,666
Property taxes (est.): $664
Home insurance (est.): $433
Flood insurance (est.): —
HOA fee: $1,400

Estimated total$6,163*/mo

* Some cost lines aren't available yet for this listing; the total shown is incomplete.

Based on 20% down, a 6.5% rate and a 30-year loan, plus this home's estimated Florida carrying costs. All figures are illustrative estimates — not quotes, not financial or insurance advice.

Sources: flood zone — FEMA National Flood Hazard Layer; mortgage, taxes and insurance figures — this site's own estimates; HOA / CDD — as reported for this listing.

What will this home really cost you?

Building structural health (SIRS)

No filing record found

We couldn't find a SIRS filing record for this building in Florida's public DBPR database. That is not a red flag by itself: buildings under three stories are exempt, recent or mailed-in filings may not appear yet, and the name or address on file may differ from this listing.

Questions about this

What is a SIRS and why does it matter?

Since the Surfside collapse, Florida requires condo and co-op buildings three stories or taller to complete a Structural Integrity Reserve Study: an inspection-based plan that forces the association to fund structural repairs (roof, load-bearing walls, plumbing, electrical) instead of deferring them. It matters because underfunded buildings are the ones that surprise owners with large special assessments.

Has this building filed its SIRS?

We didn't find a filing record for this building in the DBPR's public database. Absence of a record does not mean the building is out of compliance — it may be exempt (under three stories), the filing may be recent or on paper, or the recorded name/address may differ. It IS the right question to ask before offering.

What is a special assessment?

A one-off charge the association levies on every owner when reserves don't cover a needed repair — in older coastal buildings they have ranged from a few thousand to over $100,000 per unit. The SIRS exists precisely to make these predictable and funded in advance. Always review the building's budget, reserves and meeting minutes before buying.

What should I check before buying in this building?

Florida law gives buyers the right to review the association's SIRS, milestone inspection reports, budget and reserves — the full study is available from the association by written request. Nilyan requests and walks through these documents with her buyers as part of the offer process.

Source: Florida DBPR public SIRS reporting database. Filing status is self-reported by the association; this is not an audit, inspection or safety certification, and absence of a record does not mean non-compliance. Data as of July 30, 2026.

Want the full structural picture of this building before you offer?