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90 Alton Rd, Miami Beach FL 33139

Penthouse For Sale
$2,500,000

BTC: 40.25764895

ETH: 1,485.70749391

1 days
Waterfront
2 bds
2 ba
1,490 sqft

Overview

Exceptional penthouse residence at the highly sought-after Yacht Club at Portofino in Miami Beach's prestigious South of Fifth neighborhood. This spacious 2-bedroom, 2-bath corner unit offers breathtaking panoramic views of the Atlantic Ocean, Biscayne Bay, the Downtown Miami skyline, Fisher Island, Key Biscayne, Government Cut, and the Port of Miami. Filled with natural light, the residence features an open layout and a huge private balcony, perfect for entertaining, outdoor dining, and enjoying spectacular sunsets and ocean breezes. Perched on the penthouse level, this unique residence offers privacy, tranquility, and some of the most coveted views in South Beach. Yacht Club at Portofino offers resort-style amenities including a waterfront pool, fitness center, marina access, and on-site café and market. Ideally located just moments from South Pointe Park, pristine beaches, world-class dining, luxury shopping, and Miami Beach's renowned nightlife. A rare opportunity to own a penthouse in one of South of Fifth's most desirable waterfront communities.

Location

Florida • Miami Beach • 33139 • Penthouse • For Sale • Waterfront

Details

Type:
Residential
Parking:
Valet
Year Built:
1999
Lot:
No Data
Heating:
Central
Price/sqft:
$1,678
Cooling:
Central Air
HOA:
$2,097

Valuation

Our model vs. what's actually selling nearby.
Estimate
$1,297,000
$789K – $2.5M
Confidence Low
List vs. estimate
$1.2M above estimate
List $2,500,000 · +92.8%
Our model says this listing is priced above recent comparable activity. Room to negotiate.
Price per sq ft
$1,677
+52.0% vs. city median $1,103
Based on
16 MLS comparables
+ 30 public-records sales within 0.5 mi
Median actual sale: $1.4M
Median of recent comparable listings. Sold comps use closing price, active listings use list price.

Highlights

Annual tax
$18,760
2025
HOA
$2,097/mo
View
Ocean View, Skyline
Waterfront
Yes
Garage
2 car garage
All facts and features

  • Flooring

    • Ceramic Floor

    • Marble

    Heating

    • Central

    Cooling

    • Central Air

    Appliances

    • Dishwasher

    • Dryer

    • Electric Range

    • Ice Maker

    • Microwave

    • Refrigerator

    • Washer

    Other interior features

    • First Floor Entry

    • Built-in Features

    • Elevator

    • Fire Sprinklers

    Bedrooms and bathrooms

    • Bedrooms: 2

    • Full bathrooms: 2

  • Parking

    • Valet

    Property

    • Exterior Features: Open Balcony

    Other Property Information

    • Parcel Number: 02-42-03-234-3480

  • Type and style

    • Property Type: Residential

    • Property Sub Type: Condominium

  • Other financial information

    • HOA: $2,097

    • HOA Frequency: Monthly

    • Annual tax amount: $18,760

  • Source details

    • MLS ID: A12033825

    Other facts

    • Construction Materials: Concrete Block Construction / CBS Construction

    • Patio And Porch Features: Deck / Open Balcony

    • Architectural Style: Corner Unit / High Rise / Penthouse

    • Waterfront: Yes

    • Garage Spaces: 2

    • Garage: Yes

    • Living Area: 1490

    • Subdivision Name: YACHT CLUB AT PORTOFINO C

Private inquiry
Talk to the advisor on this listing.
Floor plans, HOA docs, off-market comparables, scheduling a private showing — one message, direct to the local specialist.

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Market around this address

Live counts in the same area.
View all
This zip
33139
1,071
median $575K
Active
Same city
Miami Beach
2,617
median $645K
Active
Same type
Penthouse
65
median $2.0M
Active
Similar price
$1.8M – $3.2M
260
median $2.4M
Active

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: Coldwell Banker Realty