Alton Bay luxury residences in Miami Beach — exterior view

Alton BayMiami Beach Luxury Residences

From $1,100,000 — $5,000,000

About Alton Bay

3900 Alton Road, Miami Beach, FL 33140
8Stories
78Residences
1+Den-4 + Garden VillasBedrooms
Pre-constructionDelivery

Alton Bay (formerly 3900 Alton) is a pre-construction luxury condominium at 3900 Alton Road in Miami Beach's vibrant Mid-Beach neighborhood — designed by world-renowned architect Ricardo Bofill (Barcelona-based Ricardo Bofill Taller de Arquitectura). This is Bofill's FIRST large-scale condominium project in the United States. The exclusive enclave consists of 78 residences (75 condos + 3 garden villas) spread across 8 stories. Set on a 1.8-acre site with unparalleled views of Downtown Miami and Biscayne Bay.

Alton Bay's residences range from 1-bedroom+den to 4-bedroom floor plans, sized 940 to 2,182 sq ft. Interiors are bathed in natural light through 10-foot floor-to-ceiling windows offering stunning views of Biscayne Bay and the vibrant Downtown Miami skyline. Italian-designed kitchens equipped with top-of-the-line Sub-Zero and Wolf appliances. Spa-inspired bathrooms feature marble-framed tubs, frameless glass-enclosed showers, and designer fixtures. Savant home automation. Walk-in closets. Bofill's signature design philosophy embraces 'genius loci' (the spirit of the place) — producing a modern botanical refuge encompassed by a stunning glass façade reflecting Miami Beach's distinct feel and its proximity to the ocean and Biscayne Bay. Residents enjoy VIP access to a Beach Club at the Nobu Hotel and Eden Roc Miami Beach, a TESLA house car, business center, fitness center, children's playroom, 24-hour valet and concierge.

Architect Ricardo Bofill (Ricardo Bofill Taller de Arquitectura, Barcelona)
Interior Design Alton Bay interior design team
Developer Alton Bay development team

Alton Bay Amenities

Alton Bay Residence Features

Watch

Alton Bay Video Tour

Step inside through our cinematic walkthrough — architecture, interiors, amenities, and the surrounding neighborhood.

Alton Bay Miami Beach
Alton Bay Miami Beach 3:30

Alton Bay Floor Plans & Pricing

Browse 5 residence configurations. Filter by bedroom count to find your match — click any plan for full details.

Showing 5 plans
Alton Bay Alton Bay 1BR + Den floor plan — 1 bedroom, 1 bath, 940 sq ft

Alton Bay 1BR + Den

1BD
From $1.1M
1 BD 1 BA 940 sq ft
Alton Bay Alton Bay 2BR floor plan — 2 bedroom, 2 bath, 1,400 sq ft

Alton Bay 2BR

2BD
From $1.5M
2 BD 2 BA 1,400 sq ft
Alton Bay Alton Bay 3BR floor plan — 3 bedroom, 3 bath, 1,800 sq ft

Alton Bay 3BR

3BD
From $2.2M
3 BD 3 BA 1,800 sq ft
Alton Bay Alton Bay 4BR floor plan — 4 bedroom, 5 bath, 2,182 sq ft

Alton Bay 4BR

4BD
From $3M
4 BD 5 BA 2,182 sq ft
Alton Bay Alton Bay Garden Villa floor plan — 4 bedroom, 5 bath, 2,000+ sq ft

Alton Bay Garden Villa

Villa
From $4M+
4 BD 5 BA 2,000+ sq ft
Location

Alton Bay Miami Beach Location & Neighborhood

3900 Alton Road, Miami Beach, FL 33140

The Neighborhood

What's within reach.

  • Biscayne Bay (direct waterfront) Direct bayfront
    0.05 mi
  • Downtown Miami skyline Across Biscayne Bay views
    0.5 mi
  • Nobu Hotel beach club Beach Club membership
    1.2 mi
  • Eden Roc Miami Beach beach club Beach Club membership
    1.5 mi
  • Faena District Short drive
    1.5 mi
  • Miami Design District Short drive
    4.0 mi
Get Directions →
Living in Miami Beach

Life at Alton Bay Miami Beach

Mid-Beach is positioned squarely between South Beach and North Beach — convenient to the Faena District, Miami Design District, and Sunset Harbour. Alton Bay's 1.8-acre site offers a rare combination of bayfront positioning, downtown Miami views, and quick access to all Miami Beach's premier corridors.

Ricardo Bofill's First US Condo Debut

Alton Bay marks Pritzker-finalist architect Ricardo Bofill's FIRST large-scale condominium project in the United States. Bofill (Spain-based Ricardo Bofill Taller de Arquitectura) is internationally celebrated for distinctive postmodern and modernist projects.

Beach Club Access at Nobu Hotel + Eden Roc Miami Beach

Residents receive VIP access to a Beach Club at the Nobu Hotel and Eden Roc Miami Beach — premium hospitality programming.

TESLA House Car + 24-Hour Valet

TESLA house car for residents' convenience. 24-hour valet and concierge service. Premium amenity programming.

'Genius Loci' Bofill Philosophy

Bofill's signature design philosophy embraces 'genius loci' (the spirit of the place) — producing a modern botanical refuge encompassed by stunning glass façade reflecting Miami Beach's distinct feel and proximity to ocean and Biscayne Bay.

Sub-Zero/Wolf Italian Kitchens

Italian-designed kitchens with top-of-the-line Sub-Zero and Wolf appliances. Savant home automation. Walk-in closets. Spa-inspired bathrooms with marble-framed tubs and frameless glass-enclosed showers.

Market Insights

Alton Bay Miami Beach Investment & Market Outlook

Why Miami Beach Pre-Construction Outperforms

South Florida pre-construction has historically delivered double-digit appreciation between contract and delivery, especially in branded residences. Miami Beach specifically has seen sustained demand from international buyers seeking US dollar-denominated real estate, tax advantages from Florida's no-income-tax structure, and currency hedging against home-market inflation.

Branded residences like Alton Bay Miami Beach typically command 25–35% price premiums over comparable non-branded inventory in the same submarket, and resale price retention has consistently outpaced the broader Miami condo index over the past decade.

Friends & Family Pricing

As pre-construction specialists with direct developer relationships, we offer qualified buyers access to friends-and-family pricing — typically 4–8% below current public release pricing — along with extended deposit schedules, custom unit selection, and priority on the most desirable exposures and floors.

Deposit Structure

Standard Miami Beach pre-construction deposit structures range from 20% at contract to 50% by delivery, with milestone payments at groundbreaking, top-off, and certificate of occupancy. Alton Bay Miami Beach follows the Miami Beach market standard. Our team can walk you through the full deposit schedule and any current developer incentives reducing the at-contract deposit requirement.

Buying Process

How to Reserve a Residence at Alton Bay Miami Beach

Pre-construction purchases follow a different path than resale transactions. Here's what to expect, step by step.

  1. 01

    Initial Consultation

    We start with a 30-minute call to understand your goals — primary residence, investment, legacy asset — and walk you through current availability, pricing tiers, and the floor plans best suited to your needs.

  2. 02

    Floor Plan Selection & Reservation

    Once you've narrowed your selection, a refundable reservation deposit (typically $25,000–$100,000) holds your residence for 14–30 days while contracts are prepared. You'll receive the full developer reservation package and the most current pricing for your specific unit.

  3. 03

    Contract & First Deposit

    The purchase contract is executed with the developer, and the first deposit (typically 10–20% of the purchase price) is wired to the developer's escrow account at a Florida-licensed institution. All funds are protected under Florida pre-construction escrow law until milestones are reached.

  4. 04

    Construction Milestones

    Subsequent deposits are released as construction reaches defined milestones — typically groundbreaking, top-off, and certificate of occupancy. You'll receive quarterly construction updates, photo documentation, and the option to tour the unit once interiors are roughed in.

  5. 05

    Closing & Delivery

    At closing, the final balance is funded (cash or financing via approved lenders), title transfers, and you receive keys. Closing typically occurs 30–60 days after the developer issues the certificate of occupancy. Move-in coordination, designer access, and Mercedes-Benz/Bentley/Armani concierge enrollment all happen at this stage.

Common Questions

Alton Bay Miami Beach FAQs

Answers to the most common questions about Alton Bay Miami Beach pricing, amenities, and policies. For anything else, our team is here to help.

How much do Alton Bay residences cost?

+

Alton Bay Miami Beach pricing starts at approximately $1.1 million for 1-bedroom + den residences (940 sq ft). 2-bedrooms from $1.5M, 3-bedrooms from $2.2M, 4-bedrooms from $3M (2,182 sq ft). Garden villas from $4M+ (only 3 garden villas available).

Who is developing Alton Bay?

+

Alton Bay is developed by an Alton Bay development team. The project is in pre-construction status.

Who designed Alton Bay?

+

Architecture by world-renowned Ricardo Bofill (Ricardo Bofill Taller de Arquitectura, Barcelona-based). This is Bofill's FIRST large-scale condominium project in the United States. Bofill's signature design philosophy embraces 'genius loci' (the spirit of the place).

How many residences does Alton Bay have?

+

78 elegantly appointed residences total: 75 condos plus 3 garden villas. 8-story building. 1-bedroom + den to 4-bedroom condo floor plans. Sizes 940 to 2,182 sq ft.

What's included in each residence?

+

10-foot floor-to-ceiling windows offering Biscayne Bay and Downtown Miami skyline views, Italian-designed kitchens with top-of-the-line Sub-Zero and Wolf appliances, spa-inspired bathrooms with marble-framed tubs and frameless glass-enclosed showers and designer fixtures, Savant home automation, walk-in closets.

What are the amenities?

+

Pool and spa surrounded by cabanas and daybeds with landscaped pool terrace and poolside bar, children's wading pool with pool service, state-of-the-art fitness center, social lounge, business center, children's playroom, TESLA house car for resident use, VIP Beach Club access at Nobu Hotel and Eden Roc Miami Beach, 24-hour valet and concierge service, artwork by Fernando Mastrangelo and Loris Cecchini.

Where is Alton Bay located?

+

Alton Bay Miami Beach is at 3900 Alton Road in Miami Beach's Mid-Beach neighborhood. The 1.8-acre site offers unparalleled views of Downtown Miami and Biscayne Bay. Convenient to the Faena District, Miami Design District, and Sunset Harbour. Just minutes from South Beach and North Beach.

Was Alton Bay previously known as something else?

+

Yes — Alton Bay was previously known as '3900 Alton' before being renamed. The 3900 Alton Road address remains the building's location.

Discover More

Nearby Projects

Explore other luxury new-construction towers in the area, hand-picked by our specialists.