‹›ICON South Beach PH 1
PH 1
Sold by ONE Sotheby's International Realty
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ICON South Beach PH 1 Sold

$23,500,000
450 Alton Rd · South of Fifth · Miami Beach
$23,500,000
450 Alton Rd · South of Fifth · Miami Beach
MLS A11950140
ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 1 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 2 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 3 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 4 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 5 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 6 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 7 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 8 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 9 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 10 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 11 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 12 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 13 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 14 of 15ICON South Beach PH 1, 450 Alton Rd, South of Fifth, Miami Beach FL 33139, photo 15 of 15
$23,500,000Sold Price
$2,600Per SqFt
7/7½Beds/BathsBd/Ba
9,039SqFt · 839.8 m²
ICON South Beach · MLS A11950140 · 274 days on Zilbert · Listed Jan 31, 2026 · 450 Alton Rd, South of Fifth, Miami Beach FL 33139

See all 9 floorplans at ICON South Beach

Property Details

Sold Price$23,500,000
Last Asking Price$28,900,000
Price per SqFt$2,600
Maintenance Fee$45,502 Quarterly
Property Taxes$304,931 2025
Interior Space9,039 SqFt
Beds/Baths7/7½
Year Built2005
Closed Date6/26/2026
MLS #A11950140

Location

Directions

From the listing

An irreplaceable trophy penthouse, crowning South of Fifth at the iconic Philippe Starck–designed ICON South Beach, establishes a new benchmark for Miami Beach luxury. This extraordinary tri-level masterpiece presents a bespoke private rooftop terrace, on e of the largest in Miami Beach, spanning over 11,000 sf of outdoor living, commanding unobstructed 360-degree panoramic views across every horizon. The private rooftop sanctuary is designed for grand-scale entertaining and elevated everyday living, featuring a saltwater pool, expansive sun lounges, a professional-grade outdoor kitchen with BBQ, dining for 18, a fire pit, and multiple wraparound terraces across all levels, creating a seamless indoor-outdoor lifestyle at an unprecedented scale.Two sculptural floating staircases, illuminated by dramatic skylights, connect the residence’s three levels. Soaring 20-foot floor-to-ceiling glass walls frame breathtaking vistas from sunrise to sunset, capturing the Atlantic Ocean and pristine beachfront, cruise ships gliding past Fisher Island, sweeping open bay views, and Miami's skyline sunsets.The grand principal suite is a private retreat encased entirely in glass, showcasing a spa-inspired bath with a floating shower and soaking tub, multiple walk-in wardrobes. The PH also offers two family rooms, two wine cellars, a bar lounge, billiards room, and private gym. Completing the offering is a private 7 car garage. This is a world-class legacy estate at the very to of Miami Beach.

Listed by One Sotheby's International Realty

What It Costs to Own

Monthly, before a mortgage and insurance

Maintenance$15,167
Property taxes$25,411
Per month$40,578

Maintenance $45,502 a quarter; taxes $304,931 for 2025. MLS figures, which may not be accurate.

Sales History for This Unit · ICON South Beach PH 1

Sale ⇅Sold Price ⇅Asking Price ⇅Beds/Baths ⇅SqFt ⇅Closed Date ⇅

What Other Units Have Been Selling For at ICON South Beach

No comparable sales on record.

Mark Zilbert, Global Real Estate Advisor
Mark Zilbert
Global Real Estate Advisor · ONE Sotheby's International Realty · I track every sale at ICON South Beach. Ask me about this residence, the line, or the building.

Listed by One Sotheby's International Realty. Mark Zilbert of ONE Sotheby's International Realty is a cooperating (transaction) broker and helps buyers find properties in Miami Beach and throughout South Florida.

The curated data and calculated data for this property and its surrounding condo units and homes is based solely on data we have extracted from the MLS. There may be unpublished, private, quit claim and other property offerings and transfers that do not appear here, which may affect how a buyer or seller perceives property values. Always conduct proper due diligence when considering buying or selling property.

More at ICON South Beach

At ICON South Beach, 7 of 274 units are for sale and 10 sold in the last 12 months at an average of $1,814 per SqFt. PH 1 sold at $2,600 per SqFt, above the building's average at the time. Figures compiled by Mark Zilbert, a Miami Beach real estate agent with ONE Sotheby's International Realty, from MLS records.

Ask Mark