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400 Alton Rd, Miami Beach FL 33139

Penthouse For Sale
$3,650,000

BTC: 56.86278511

ETH: 2,070.40511872

29 days
Waterfront
2 bds
2 ba
1,649 sqft

Overview

Completely reimagined penthouse at the iconic Murano Grande — like nothing you’ve ever seen before! Featuring over $500,000 in renovations with all assessments paid, this contemporary masterpiece is stunning and unlike any other residence in the building. Never before offered on the market, this is a rare opportunity for the buyer seeking something truly impossible to find. Designed for those who want what no one else has, this one-of-one penthouse delivers the ultimate South of Fifth lifestyle. Extensive custom renovations include premium designer finishes, upgraded infrastructure, imported Calacatta Macchia Vecchia stone surfaces, and major structural modifications, including a fully opened kitchen concept designed for entertaining. The state-of-the-art marble kitchen features integrated Sub-Zero appliances and a built-in wine chiller which anchors expansive living spaces highlighted by floor-to-ceiling glass and oversized balconies overlooking the water. Dramatic 11-foot ceilings create a loft-like atmosphere filled with natural light. The residence also features the line’s largest primary balcony, offering expansive outdoor living and entertaining space. Wide-plank white oak engineered flooring runs throughout, and the home is fully pre-wired for a whole-home AV and entertainment system. Enjoy panoramic bay and ocean views from every room. Just steps from the beach, shopping, and dining. Hard to find, impossible to duplicate, and unforgettable in every way.

Location

Details

Type:
Residential
Parking:
1 Space
Year Built:
2003
Lot:
No Data
Heating:
Central
Price/sqft:
$2,213
Cooling:
Central Air
HOA:
$8,500

Valuation

Our model vs. what's actually selling nearby.
Estimate
$1,657,000
$1.2M – $2.9M
Confidence Low
List vs. estimate
$2.0M above estimate
List $3,650,000 · +120.3%
Our model says this listing is priced above recent comparable activity. Room to negotiate.
Price per sq ft
$2,213
+92.2% vs. city median $1,151
Based on
7 MLS comparables
+ 30 public-records sales within 0.5 mi
Median actual sale: $1.7M
Median of recent comparable listings. Sold comps use closing price, active listings use list price.

Highlights

Annual tax
$16,165
2025
HOA
$8,500/qtr
View
Bay
Waterfront
Yes
Garage
1 car garage
Pets
Restrictions Or Possible Restrictions
All facts and features
  • Flooring

    • Marble

    • Wood

    Heating

    • Central

    Cooling

    • Central Air

    Appliances

    • Dishwasher

    • Dryer

    • Electric Range

    • Refrigerator

    Other interior features

    • Other

    Bedrooms and bathrooms

    • Bedrooms: 2

    • Full bathrooms: 2

  • Parking

    • 1 Space

    Property

    • Exterior Features: Other

    Other Property Information

    • Parcel Number: 02-42-03-265-2700

  • Type and style

    • Property Type: Residential

    • Property Sub Type: Condominium

  • Other financial information

    • HOA: $8,500

    • HOA Frequency: Quarterly

    • Annual tax amount: $16,165

  • Source details

    • MLS ID: A12021384

    Other facts

    • Construction Materials: Concrete Block Construction

    • Direction Faces: East

    • Architectural Style: Penthouse

    • Waterfront: Yes

    • Garage Spaces: 1

    • Attached Garage: Yes

    • Garage: Yes

    • Living Area: 1649

    • Subdivision Name: MURANO GRANDE AT PORTOFIN

Private inquiry
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The multiple listing information is provided by the Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are ©2026-present Miami Association of REALTORS®. All Rights Reserved. The information provided is for consumers' personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Listing courtesy of: Keller Williams Capital Realty