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+20

450 Alton Rd PH1

Miami Beach, FL, 33139

Pending

$28,900,000

450 Alton Rd PH1

Miami Beach, FL, 33139

Pending

$28,900,000

7

Bedrooms

9

Bathrooms

9,039 sqft

Living Area

2005

Year Built

Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$5,780,000 down

%
Principal & Interest$149,956/mo
Property Tax (est. ~1.2%, varies by county)$28,900/mo
Home Insurance (est.)$250/mo
HOA Fees$15,167/mo
Total Monthly Payment$194,273
Loan Amount: $23,120,000Rate: 6.75%
Get Pre-Qualified

Estimated payments only. Actual rates and terms may vary.

Comparable Sales

$28,900,000Tour the dockSchedule a Showing

$45,502

HOA / Quarterly

97

Days on Market

Dock & Water AccessMLS

Ocean Access

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

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.

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Location

Miami Beach, FL, 33139

No price history available for this property.

Listing courtesy of One Sotheby's International Realty

Last updated: 6/19/2026

© 2026 Miami Association of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Miami Association of REALTORS®. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

FEMA Flood Zone AE
BFE: 8ft

Special Flood Hazard Area

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Nearby Schools

Assigned Public Schools

E

Miami Beach South Pointe Elementary

Grades PK-5 · Miami Beach

M

Nautilus MS

Grades 6-8 · Miami Beach

H

Miami Beach Senior High

Grades 9-12 · Miami Beach

Nearby Private Schools

BaseCamp 305 Jr0.2 mi
South Pointe Elementary School0.2 mi
Lubavitch Educational Center - Yeshiva Gedolah0.6 mi
Fisher Island Day School0.9 mi
Lincoln-Marti Community Agency 411.3 mi

School data from Miami-Dade County Open Data Hub. Verify attendance zones with the school district.